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Epson TM-H6000 Service Manual

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Confidential
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Service manual

TM-H6000/H6000P
199
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English
401040800
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Summary of Contents for Epson TM-H6000

  • Page 1: Service Manual

    Confidential Service manual TM-H6000/H6000P Issued Date Issued by English 401040800...
  • Page 2 On the earlier of (a) termination of your relationship with Seiko Epson, or (b) Seiko Epson’s request, you must stop using the confidential information. You must then return or destroy the information, as directed by Seiko Epson.

  • Page 3: Table Of Contents

    Assembling the TM-H6000 ........
  • Page 4 TM-H6000/H6000P ........
  • Page 5 TM-H6000/H6000P ........

  • Page 6: For Safe Repair And Maintenance Work

    Confidential TM-H6000/H6000P Service Manual For Safe Repair and Maintenance Work Key to Symbols The symbols in this manual are identified by their level of importance, as defined below. Read the following carefully before handling the product. WARNING: You must follow warnings carefully to avoid serious bodily injury.

  • Page 7: Safety Precaution On Maintenance/Repair/Inspection

    Confidential Always supply power directly from a standard domestic power outlet. Handle the power cord with care. Improper handling may lead to fire or shock. Do not modify or attempt to repair the cord. Do not place any object on top of the cord. Avoid excessive bending, twisting, and pulling.

  • Page 8: Note On Disposal

    Confidential TM-H6000/H6000P Service Manual CAUTION: Wear a grounded wrist band when handling the internal circuit board to prevent damage from static electricity. When removing the internal circuit board, place it on an anti-static rubber sheet or similar surface to prevent damage from static electricity.

  • Page 9: About This Manual

    Confidential About This Manual Aim of the Manual This manual was created to provide the information on printer maintenance and repair required by technicians who handle this work. Contents of the Manual The configuration of the manual is as follows. Describes troubleshooting procedures (specific Chapter 1 Troubleshooting problems and remedies)

  • Page 10: Chapter 1 Troubleshooting

    Confidential TM-H6000/H6000P Service Manual Chapter 1 Troubleshooting Before Servicing "Precautions for Safety" (pages v to viii) at the beginning of this manual provides precautions you should observe to perform work safety and the necessary information to service this product safety. Always read that information before starting your work.

  • Page 11: Flowcharts For Diagnosing Failures

    Confidential Flowcharts for Diagnosing Failures Find the problem by following the flowchart. START Does the problem happen when the printer is connected to the host computer? Does the printer complete its power Replace the I/F cable on test? (For serial interface, be (see page 1-4) sure you use a null modem cable.)

  • Page 12: Troubleshooting

    Confidential TM-H6000/H6000P Service Manual The following is an illustration of the sub-routine flowchart. Sub-routine Check motors and coils. See "Test Points of the Printer Mechanism" (page 1-9) for the appropriate resistance values. Replace the defective part if necessary. If all motors and coils are OK, go on to the next step.

  • Page 13: Printer Mechanism Power On Test

    Confidential Printer Mechanism Power on Test The printer mechanism runs through the following tests when you turn on the power supply to the printer. Opens and closes the platen. Detects carriage home position. Feeds paper to the thermal printer. This section describes the items that you can check visually. Opening and Closing the Platen The printer opens and closes the platen once.

  • Page 14: Detecting The Head Carriage Home Position

    Confidential TM-H6000/H6000P Service Manual Detecting the Head Carriage Home Position The head carriage on a dot impact printer moves to the left side (home position) once and then to the right side before stopping. Check this operation with the front cover opened.

  • Page 15: Starting And Stopping Self Tests

    Confidential Starting and Stopping Self Tests Starting the Self Test Roll paper self test: The printer starts printing to the roll paper when you turn on the power while holding down the receipt FEED button when all the covers are closed. Slip paper self test: The SLIP LED flashes and the printer enters the slip paper wait mode when you turn on the power while holding down the RELEASE button when all the covers are closed.

  • Page 16: Troubleshooting Using The Error Led

    Confidential TM-H6000/H6000P Service Manual Troubleshooting Using the ERROR LED You can learn the cause of a failure by the pattern of ERROR LED flashes. The following table shows problems and solutions to repair the printer. Numbers in the "Solutions" column indicate the order to use to check the problem.
  • Page 17 Confidential Table1-1 Error causes and solutions Solutions Type of Error and ERROR LED Pattern Explanation (Listed in order you should use to check printer.) Cover open error The roll paper cover Close the roll paper cover or the unit cover. or the unit cover was detected open when...

  • Page 18: Test Points On The Printer Mechanism

    Confidential TM-H6000/H6000P Service Manual Test Points on the Printer Mechanism Before you try to repair a printer failure by replacing the main circuit board unit, check the printer mechanism. This section shows how to test the motor and the coils. If the motor is shorted, replace the main board when you replace the motor.
  • Page 19 Confidential Table1-2 Test points on the printer mechanism Name of Mechanism Part Name Internal Element Function Where to Check Normal Status • Form stopper Approx. 70 Ω Mechanism Lever drive coil Coil Remove the cable assembly A (left side operation connector •...

  • Page 20: Test Points On The Main Circuit Board Unit

    Confidential TM-H6000/H6000P Service Manual Test Points on the Main Circuit Board Unit Power Supply Line Check After a main board feilure, one basic method for diagnosing the cause of the failures on the main circuit board unit is to check the power supply line. Use the following table to check the power supply line.
  • Page 21 Confidential Table1-3 Checking the power supply line Step Location of Condition of Normal Type of Voltage Measurement Measurement Value Presumed Cause of the Error 5 V ± 5 % The logic power supply circuit or Q44 Logic voltage CN30, pin 5 Output only (VCC_SEN) could have malfunctioned.

  • Page 22: Locations Of The Main Elements On The Main Circuit Board Unit

    Confidential TM-H6000/H6000P Service Manual Locations of the Main Elements on the Main Circuit Board Unit The following shows the locations of the main elements on the main circuit board unit. Fuse (F3) Fuse (F1) CPU (U3) Gate array (U30) *under the...

  • Page 23: Procedures For Replacing The Print Head Unit

    Confidential Procedures for Replacing the Print Head Unit This section explains how to replace the dot impact print head. See page 2-27 for information on replacing the thermal print head. 1. Turn off the power switch to the printer. Remove the power supply unit from the printer. 2.
  • Page 24 Confidential TM-H6000/H6000P Service Manual 4. Remove the two screws and remove the carriage cover frame assembly. Figure 1-10 Removing the carriage cover frame assembly When you are reattaching the frame, insert the tooth on the left side into the shaft and align the nib on the right side with the nib hole.
  • Page 25 Confidential 5. Remove the one screw and remove the print head unit. Figure 1-12 Removing the print head unit When you are attaching, insert the print head unit ribbon cable (FPC) below the three tabs. tabs Figure 1-13 Three tabs 6.
  • Page 26 Confidential TM-H6000/H6000P Service Manual 7. Remove the nose guide from the print head unit. nose guide Figure 1-15 Removing the nose guide 8. To reinstall the print head, reverse the procedures you used to remove it. Rev. A Troubleshooting 1-17...

  • Page 27: Checking For Paper Jams In The Autocutter Unit

    Confidential Checking for Paper Jams in the Autocutter Unit The following explains the procedures for checking for paper jams in the autocutter unit. 1. Open the roll paper cover. Figure 1-16 Opening the roll paper cover If you cannot open the roll paper cover, open the unit cover. Rotate the cutter blade knob in the direction of the arrow in the illustration below to move the cutter blade.
  • Page 28 Confidential TM-H6000/H6000P Service Manual 2. Check that there is no paper jam in the areas shown in the illustration below. check for paper jam Figure 1-18 Checking for paper jams Rev. A Troubleshooting 1-19...
  • Page 29 Confidential 1-20 Troubleshooting Rev. A...

  • Page 30: Chapter 2 Assembly And Disassembly

    This chapter provides the procedures for assembling. Reverse them to disassemble the printer. Assembly is organized into "Assembling the Mechanism," "Assembling the Thermal Mechanism," and "Assembling the TM-H6000." Each section is further divided into "Pre- assembly" and "Assembly." Do "Pre-assembly" steps first, and then do "Assembly" after you have assembled the parts into units to some degree.

  • Page 31: Quick Reference

    Assembly of the Slip Printer Mechanism page 2-13 Assembling the Thermal Mechanism page 2-24 Pre-assembly Procedures Assembly of the Thermal Mechanism page 2-26 Assembling the TM-H6000 page 2-30 Pre-assembly Procedures Assembly of the TM-H6000 page 2-30 Disassembly and Assembly 2-2 Rev. A...

  • Page 32: Assembling The Mechanism For The Slip Printer

    Confidential TM-H6000/H6000P Service Manual Assembling the Mechanism for the Slip Printer Pre-assembly Procedures Pre-assembly of the slip BOF Detector Assembly 1. Solder lead wires C, D, E to the slip B. O. F. detector assembly. Note: Check that the soldering is secure.
  • Page 33 Confidential Pre-assembly of the Slip T. O. F Detector Assembly 1. Solder lead wires I, J, K to the slip T. O. F detector assembly. Note: Check that the soldering is secure. 671 Slip T.O.F. detector assembly 713 Lead wire (type I) 714 Lead wire (type J) 715 Lead wire (type K) Figure 2-3...
  • Page 34 Confidential TM-H6000/H6000P Service Manual 9. Attach the gear train cover to the carriage drive transmission gear. 10. Insert the ribbon reduction gear onto the ribbon reduction gear shaft. 11. Insert the ribbon intermediate gear onto the ribbon intermediate gear shaft. Insert downward starting from the ribbon intermediate gear with the smaller diameter.
  • Page 35 Confidential 674 Ribbon drive plate assembly 685 E-ring(2) 685 E-ring(2) Figure 2-6 Pre-assembly of the Carriage Motor 1. Lubricate the carriage drive pulley shaft. See Appendix G for a lubrication diagram. 2. Attach the carriage drive pulley to the carriage drive pulley shaft. 3.
  • Page 36 Confidential TM-H6000/H6000P Service Manual 7. Hook the belt tension spring to the carriage motor and carriage sub assembly frame. E-ring(2) Belt drive cap Carriage drive pulley Carriage motor 731 screw(C.P.S-tite(P4),3X6) 628 Belt tension spring screw(C.P.S-tite(P4),3X6) Figure 2-7 Pre-assembly of the Carriage Sub Assembly 1.
  • Page 37 Confidential 7. Firmly tighten the carriage motor lead wire stopper screw. 8. Use one screw to attach the carriage to the carriage sub assembly. Oil ring 604 Oil ring 677 Carriage assembly Carriage spring 688 E-ring(5) 629 Carriage guide shaft Figure 2-8 9.
  • Page 38 Confidential TM-H6000/H6000P Service Manual Intermediate circuit board assembly Intermediate circuit board cover 731 screw(C.P.S-tite(P4),3X6) Figure 2-9 Pre-assembly of the H. P. Detector Assembly 1. Solder lead wires L, M, N in that order to the H. P. detector assembly. Note: Check that the soldering is secure.
  • Page 39 Confidential Note: Check that the soldering is secure. 6. Solder intermediate cables A, B, C to the intermediate circuit board. Note: Check that the soldering is secure. 7. Bundle the intermediate cables (types A, B and C) and pass them through the intermediate cable tube.
  • Page 40 Confidential TM-H6000/H6000P Service Manual 8. Turn intermediate cables A, B, C to the right side. screw(C.P.P-tite,3X12) Nose guide screw(C.P.S-tite(P4),3X6) Print head unit (Eb) H.P. detector assembly 716 Lead wire (type L) 717 Lead wire (type M) 718 Lead wire (type N)
  • Page 41 Confidential Pre-assembly of the Front Cover Detector Assembly 1. Solder lead wires V, U, W in that order to the front cover detector assembly. Note: Check that the soldering is secure. Front cover detector assembly 721 Lead wire (type W) 720 Lead wire (type V) 719 Lead wire (type U) Figure 2-11...

  • Page 42: Assembly Of The Slip Printer Mechanism

    Confidential TM-H6000/H6000P Service Manual 4. Attach the paper ejection detector assembly to the carriage cover assembly with one screw. screw(C.C.S-tite,2.5X5) Paper ejection detector assembly screw(C.B.P-tite,3X6) Paper ejection detector holder Carriage cover frame assembly Figure 2-12 Assembly of the Slip Printer Mechanism 1.
  • Page 43 Confidential 9. Insert the crank shaft holder from the left and right outer sides attach with one E-ring. Form stopper spring E-ring(1.5) screw(C.C.S-tite,2.5X5) Form stopper Sub slip feed roller holder Sub slip feed lever spring Lever drive motor assembly screw(C.B.,2.6X4) Lead wire (type A) Form stopper shaft Crank shaft...
  • Page 44 Confidential TM-H6000/H6000P Service Manual 14. Lubricate the lever motor reduction gear shaft. 15. Use one E-ring to attach the lever motor reduction gear to the lever motor reduction shaft. The arrow on the lever motor deceleration gear should be facing to the outside.
  • Page 45 Confidential 25. Attach the slip guide lower frame to the main sub assembly frame with two screws. Slip guide lower frame (type B) screw(C.B.S-tite F,3X6) Slip B.O.F. detector assembly screw(C.B.P-tite,3X6) 26. Insert the sub slip hold sleeves into both ends of the sub slip hold roller. 27.
  • Page 46 Confidential TM-H6000/H6000P Service Manual 28. Install the slip guide upper frame onto the main sub assembly frame. Align the slip guide frame nibs in three places. 29. Attach the front support frame to the front frame. Align and insert the three nibs and check, that the front support frame and the slip guide upper frame are not rising.
  • Page 47 Confidential 48. Apply oil to the Platen lever drive cam shaft. 609 Slip feed roller shaft holder 686 E-ring(3) 615 Lever drive transmission gear Endorsement platen shutter screw(C.B.S-tite F,3X6) Slip hold roller shaft E-ring(3) 686 E-ring(3) 626 Platen lever drive cam screw(C.B.S-tite F,3X6) 724 Slip hold roller spring 723 Slip hold roller sleeve...
  • Page 48 Confidential TM-H6000/H6000P Service Manual Note: Check that the soldering is secure. 55. Insert the wiring. 56. Affix the R cover detector cable assembly to the main circuit board with adhesive tape. 57. Attach the MICR plate shutter to the slip guide lower frame (type B) with one screw.
  • Page 49 Confidential 58. Using four screws, attach the carriage frame unit to the main frame sub assembly. Pass the intermediate cable through the hexagonal hole in the main sub assembly frame, and pull out enough cable. Fit the nibs in the carriage frame unit in the main frame notches. Note: Check the operating status of the ribbon drive plate assembly.
  • Page 50 Confidential TM-H6000/H6000P Service Manual 62. Hook the paper feed frame fixing lever L (type B) and the paper feed frame fixing lever spring (type B) to the platen lever frame assembly. Insert the platen lever shaft frame while attaching the paper feed frame fixing lever spring (type B) onto the paper feed frame fixing lever L (type B).
  • Page 51 Confidential 69. Fix one M3 nylon lock nut to the platen lever. Attach so that the blue part comes below the screw hole. 70. Attach the platen earth plate A to the platen lever. 71. Hook two platen springs to the platen lever. 72.
  • Page 52 Confidential TM-H6000/H6000P Service Manual 77. Pass the paper feed frame shaft holder into the platen lever unit. 78. Using two screws, attach the main sub assembly frame. Insert while widening the frame and align with the D cut. 79. Lubricate the carriage unit in eight places. Also lubricate the platen lever open and close cam in one place and the platen lever in one place with G-36.

  • Page 53: Assembling The Thermal Mechanism

    Confidential Assembling the Thermal Mechanism Pre-assembly Procedures Pre-assembly of the N. E. Detector Assembly] 1. Attach the N. E. detector to the N. E. detector holder. 2. Fit the micro switch to the N. E. detector holder with one screw.) 504 screw(C.B.B-tite,2X8) 542 Micro switch Cover open detector...
  • Page 54 Confidential TM-H6000/H6000P Service Manual 7. Apply hot air to the shield tubes covering the pins to shrink them. Do not allow the hot air to blow onto the micro switch. 8. Install the micro switch into the paper cutter cover. Completely align the micro switch nibs and the paper cutter cover holes.

  • Page 55: Assembly Of The Thermal Mechanism

    Confidential 17. Tight on the screw on the paper cutter assembly frame and the paper cutter assembly cover screw(C.B.,2X2.5) 530 Manual cutter A Paper cutter cover assembly screw(C.B.S-tite F,3X6) screw(C.B.,2X2.5) Micro switch 532 Cover tube screw(C.B.S-tite F,3X6) Paper cutter frame Paper cutter lead wire Switch assembly...
  • Page 56 Confidential TM-H6000/H6000P Service Manual 8. Fasten the frame plate to the right and the left frames using two screws. Sandwich the right and left frames and tighten the screws. 9. Fix sensor circuit board A to the right frame with one screw.
  • Page 57 Confidential 17. Install the autocutter unit with two screws. screw(C.B.S-tite F,3X6) screw(C.B.S-tite F,3X6) Receipt paper feed motor screw(C.B.S-tite F,3X6) Motor frame Deceleration gear Head caution seal Paper cutter cover assembly screw(C.B.S-tite F,3X6) screw(C.B.S-tite F,3X6) Press head spring Thermal print head assembly Pressurizing plate Intermit circuit board assembly...
  • Page 58 Confidential TM-H6000/H6000P Service Manual 26. Connect the lead wires to the intermediate circuit assembly connector. 27. Insert the wires. Blade holder spring E-ring(2) Fixed blade 523 Cover spring Frame cover E-ring(2) 503 Platen shaft holder Platen assembly E-ring(2.5) Figure 2-25 Rev.

  • Page 59: Assembling The Tm-H6000

    113 Rubber insulator spacer 114 Metallic insulator spacer Figure 2-26 Assembly of the TM-H6000 1. Install the main unit sub assembly plate A on the main circuit board unit. Attach with six screws. 2. Connect the power switch cable assembly to the main circuit board unit.
  • Page 60 Confidential TM-H6000/H6000P Service Manual 14. Connect the control panel cable to the control panel circuit board assembly. 203 Earth wire assembly screw (C.P.S-tite(0),3X6) 101 screw(C.B.S-tite F,3X4) 600 Mechanism assembly (M-U675, type AB) Switch panel circuit board assembly Rubber insulator spacer 106 screw(C.B.S-tite F,3X6)
  • Page 61 Confidential 15. Attach the rubber feet to the lower case. 16. Attach the mechanism assembly to the lower case using four screws. Align the mechanism assembly with the lower case nibs, use two 4 12 bind B-tite screws with two plain washers 25 in the front, and tighten two bind B-tite screws in the back.
  • Page 62 Confidential TM-H6000/H6000P Service Manual 26. Hook the thermal L, R springs to the thermal frame. Check the direction of insertion of the D-cut groove and attach the thermal L, R springs on thermal holder assembly. screw(C.C.S-tite,3X6) Thermal mechanism assembly (M-H6000) screw(C.B.B-tite,4X25)
  • Page 63 Confidential 27. Insert supporting plate A into the lower case. 28. Cut the bar of the upper case. 29. Assemble the upper case and the table holder to the lower case. 30. Place thermal sheet onto the M-T6000 rack. 31. Connect the thermal head FFC to the M-T6000. 32.
  • Page 64 Confidential TM-H6000/H6000P Service Manual 36. Install the paper ejection detector lead wire. Switch panel unit screw(C.C.,4X20) screw(C.C.,4X20) Front case Support plate Upper case Clamp Table holder screw(C.P.T-B,3X10) Figure 2-29 Rev. A Disassembly and Assembly 2-35...
  • Page 65 Confidential 37. Attach the hook spring to the thermal case. 38. Attach the rack plate to the thermal case. 39. Snap fit the thermal button to the thermal case, and insert the hook plate. 40. Install the thermal case onto the M-T6000. Align the bosses on the left and right one at a time in the rack, and insert one on the left and two on the right.
  • Page 66 Confidential TM-H6000/H6000P Service Manual 47. Tighten the two screws on the upper case and lower case. screw(C.B.S-tite F,3X4) Thermal mechanism cover Operation label (type CA) screw(C.B.S-tite F,3X4) Thermal case Thermal button Hook spring Ribbon cassette cover Thermal button Hook plate...
  • Page 67 Confidential 48. Attach the RS-232C I/F circuit board assembly to the connector plate, and tighten the two screws. 49. Attach the parallel I/F circuit board assembly to the connector plate, and tighten the two screws. 50. Attach the RS-232C I/F circuit board assembly or the parallel I/F circuit board assembly to the main circuit board unit with two screws.
  • Page 68 Confidential TM-H6000/H6000P Service Manual 57. Affix a front label AA. screw(C.P.S-tite(0),3X6) Hexagon lock screw (millimeter type) screw (C.P.S-tite(0),3X6) Connector plate (type AA)) RS-232 I/F circuit board assembly screw(C.B.S-tite F,3X6) screw (C.B.S-tite F,3X6) IC cover screw(C.B.S-tite F,3X6) Lower plate screw(C.B.S-tite F,3X6) Figure 2-31 58.
  • Page 69 Confidential Disassembly and Assembly 2-40 Rev. A...

  • Page 70: Chapter 3 Adjusting And Setting

    Confidential TM-H6000/H6000P Service Manual Chapter 3 Adjusting and Setting Before Making Adjustment Always observe the following precautions when disassembling, assembling or adjusting the printer. CAUTION: Always remove the power supply unit from the printer before working. There is power flowing in the internal circuit board even if you turn off the printer power supply switch.

  • Page 71: Adjusting

    Confidential Adjusting Phase Adjusting Perform phase adjustments when you have performed any one of the followings. Items Requiring Phase Adjustment When you replaced or removed the lever drive gear. When you replaced or removed the lever drive transmission gear. When you replaced or removed the platen lever drive cam. 1.
  • Page 72 Confidential TM-H6000/H6000P Service Manual 2. While pushing the claw of the lever drive coil (type B), rotate the lever motor reduction gear in the direction indicated in the illustration so that the protrusion on the lever drive gear faces the very bottom of the printer.
  • Page 73 Confidential 3. Remove your finger from the claw of the lever drive coil (type B). Check that the claw returns to its original position. Redo from step 1 if it has not returned to its original position. Figure 3-3 3-4 Adjusting Rev.
  • Page 74 Confidential TM-H6000/H6000P Service Manual 4. Rotate the lever motor reduction gear. Continue until the lever drive gear no longer rotates. Lever motor reduction gear Lever drive gear Figure 3-4 Rev. A Adjusting 3-5...
  • Page 75 Confidential 5. While the printer is in that state, attach the lever drive transmission gear to the lever drive transmission gear axis. (E-ring, 1 place.) Lever drive transmission gear E-ring Lever drive transmission gear Lever drive gear Figure 3-5 3-6 Adjusting Rev.
  • Page 76 Confidential TM-H6000/H6000P Service Manual 6. Lubricate the platen lever drive cam shaft. 7. Assemble the platen lever drive cam to the platen lever drive cam shaft (E-ring, 1 place). Set so that the three gear teeth of the platen lever drive cam are facing downward.
  • Page 77 Confidential Platen lever drive cam Claw of the lever drive coil ( type B ) Lever drive transmission gear Lever drive gear Lever motor reduction gear Figure 3-7 3-8 Adjusting Rev. A...

  • Page 78: Adjusting The Platen Gap

    Platen Gap Adjustment When you replaced or removed the print head unit. When you disassembled or re-assembled the TM-H6000/H6000P printer. Use the following steps to adjust the platen gap. 1. Connect the power supply unit to the printer. Turn on the power switch to the printer. Turn off the power switch to the printer when the printer finishes the power on test.
  • Page 79 Confidential 5. While using the thickness gauges, adjust the stopper screw of the platen set so that the positions indicated below are 0.5 ± 0.05 mm. Screw Platen set Screw 0.5 +/- 0.05mm Print Head 20mm 40mm The stopper screw of the platen set is located here. Figure 3-9 Note: The following shows the conditions for adjusting the platen gap to 0.5 ±...

  • Page 80: Threshold Value Setting For Detectors

    Confidential TM-H6000/H6000P Service Manual Threshold Value Setting for Detectors Perform this setting when you have performed any one of the following. Items Requiring Setting When you replaced the Slip T. O. F. detector assembly. When you replaced the Slip B. O. F. detector assembly.
  • Page 81 Confidential 3-12 Adjusting Rev. A...

  • Page 82: Appendix A Service Tools And Lubricants

    Confidential TM-H6000/H6000P Service Manual Appendix A Service Tools and Lubricants Table A-1 Service tools required Tool Size Purpose Gap gauges To adjust the platen gap. 0.45 mm x 1 0.50 mm x 1 Crosshead screwdriver No. 0, 1 and 2...
  • Page 83 Confidential Appendix A-2 Service Tools and Lubricants Rev. A...

  • Page 84: Appendix B Maintenance

    Confidential TM-H6000/H6000P Service Manual Appendix B Maintenance Maintenance and Inspection Perform maintenance and inspection to prevent trouble and maintain the fine, initial performance of this printer for a long time. There are two types of maintenance and inspection of this printer, based on the technical skill required: “Daily Inspection”...

  • Page 85: Periodic Inspection

    Confidential Periodic Inspection Table B-2 Periodic inspection checklist Items to Check Checkpoints Handling When to Perform Is there any uneven or faint (1)Clean the thermal head (see Every three Status of paper dust, printing? page B-3 for instructions). month dirt, dust adhering to (2)Clean the receipt side platen the parts roller.

  • Page 86: Thermal Head Cleaning

    Confidential TM-H6000/H6000P Service Manual Thermal head Cleaning It is necessary for you to clean the thermal head periodically (generally every three month) to maintain the receipt print quality. CAUTION: After printing, the print head can be very hot. Be careful not to touch it. Also let it cool before you clean it.
  • Page 87 Confidential Appendix B-4 Maintenance Rev. A...

  • Page 88: Appendix C Installation

    Confidential TM-H6000/H6000P Service Manual Appendix C Installation You can connect up to four cables to the printer. They all connect to the connector panel (on the bottom rear of the printer), which is shown below. Figure C-1 Connector panel Note: This illustration shows the serial interface model.

  • Page 89: Connecting The Drawer

    Confidential Note: Your printer has inch-type hexagonal lock screws installed. If your interface cable requires millimeter-type screws, replace the inch-type screws with the enclosed millimeter-type screws using a hex screwdriver (5 mm). millimeter screw inch screw Figure C-3 Inch screw and millimeter screw 3.

  • Page 90: Connecting To A Direct Connection Display Module

    Power Connection Use the optional EPSON PS-170 power supply or equivalent for your printer. WARNING: Make sure you use the EPSON PS-170 power supply or equivalent. Using an incorrect power supply may cause fire or electrical shock. Rev. A Installation C-3...
  • Page 91 Confidential CAUTION: When connecting or disconnecting the power supply from the printer, make sure that the power supply is not plugged into an electrical outlet. Otherwise you may damage the power supply or the printer. If the power supply’s rated voltage and your outlet’s voltage do not match, contact your dealer for assistance.

  • Page 92: Appendix D Product Overview

    Confidential TM-H6000/H6000P Service Manual Appendix D Product Overview Component Functions paper roll cover unit control cover panel front cover Figure D-1 interface connector power supply drawer kick-out DM connector connector connector (*) This illustration shows the serial interface model. The parallel interface connector looks slightly different.

  • Page 93: Outline Of Printer Mechanism

    Confidential Outline of Printer Mechanism Impact Dot Matrix Printer Mechanism Printing Mechanism (Main Print Head Unit) This mechanism consists of the main print head unit, which has nine wires vertically arranged in one row, the head carriage assembly, platen, carriage motor, carriage feed pulley, carriage guide shaft, carriage transmission pulley, and carriage transmission belt.
  • Page 94 Confidential TM-H6000/H6000P Service Manual Movement of main print head unit When the carriage motor rotates the carriage motor gear in the direction indicated by the white arrow, the driving force is sequentially transmitted to the carriage feed pulley and carriage transmission belt, moving the head carriage assembly, which is fixed to the carriage transmission belt, in the direction indicated by the white arrow.
  • Page 95 Confidential 3. When the electrical pulse to the drive coil ends, the dot wire and operation plate are returned to the standby status by the spring force of the wire return spring and operation plate spring. Paper Wire return spring Operating plate Dot wire Wire guide...
  • Page 96 Confidential TM-H6000/H6000P Service Manual Printing operation when printing one character The printing operation for a 9 9 dot matrix is explained in this section. Characters are printed by energizing the respective print solenoids at the timing corresponding to the head carriage movement position, using the carriage motor phase change signal as a reference signal.
  • Page 97 Confidential Platen open/close operation The platen is attached to the platen lever by the platen gap adjustment screw. The platen open/ close operation is performed when a check is inserted and the MICR (option) is read. When the lever coil is energized while the lever drive motor is being rotated, linkage of the lever ratchet wheel to the paper feed trigger suction plate is released, and the lever drive gear rotates the prescribed amount in the direction indicated by the arrow.

  • Page 98: Detection Mechanism Unit

    Confidential TM-H6000/H6000P Service Manual Detection Mechanism Unit The detection mechanism unit is comprised of the following mechanisms. TableD-1 Detection mechanism unit functions Mechanism Function Home position detection Initial setting of printer mechanism Carriage detection Detection of head carriage malfunction mechanism B.O.F.
  • Page 99 Confidential Home position detection mechanism The home position detection mechanism is located at the left end of the head carriage assembly. This mechanism keeps track of the head carriage assembly movement position. The initial settings are made by detecting the detection plate at the rear of the head carriage assembly. The home position detector consists of an LED and photo IC.
  • Page 100 Confidential TM-H6000/H6000P Service Manual Screening plate Carriage drive transmission gear Carriage belt Carriage motor gear Carriage detector Carriage drive pulley Carriage transmission pulley Figure D-12 Bottom of form (B.O.F.) detection mechanism The B.O.F. detection mechanism detects whether or not slip paper has been inserted, and the rear edge of the paper when printing is performed.
  • Page 101 Confidential The T.O.F. detector is comprised of an LED and photo resistor. Reflected light is used to determine whether or not a slip has been inserted. When a slip is inserted, light emitted by the LED is reflected, resulting in a change in the photo resistor output level.
  • Page 102 Confidential TM-H6000/H6000P Service Manual Lever motor Timing Pulse (T.P.) detection mechanism The lever motor T.P. detection mechanism consists of a lever drive motor detection plate and T.P. detector on the lever drive motor gear. It detects lever motor rotation, and generates the signal, which determines the timing for energizing of the lever coil, which in turn controls opening/closing of the platen lever and opening/closing of the sub slip feed roller.
  • Page 103 Confidential Front cover open detection mechanism The front cover open detector is located at the right side of the printer mechanism, and detects opening and closing of the front cover. This detector consists of an LED and photo resistor. A screening part, located on the rear of the cover, interrupts light rays when the cover is closed.
  • Page 104 Confidential TM-H6000/H6000P Service Manual Opening mechanism 1. Press the on the two frame fixing levers (indicated by "arrow a" in the figure D-19). 2. The frame fixing lever comes off the main frame, allowing the entire platen level unit to be rotated on the paper feed frame support shaft.
  • Page 105 Confidential Slip Feed Mechanism The slip feed mechanism is comprised of the following parts: Form stopper Sub slip feed lever Sub slip feed roller Sub slip retainer roller Slip feed roller Slip retainer roller Paper feed motor and wheel Positioning slip paper at top The slip paper path is normally interrupted by the form stopper, located perpendicular to the path, which is held in place by the form stopper spring.
  • Page 106 Confidential TM-H6000/H6000P Service Manual Platen lever drive cam Lever drive motor Lever drive transmission gear Lever drive shaft Lever drive cam Paper feed trigger attraction plate Lever drive gear Lever drive Lever drive rachet wheel coil Form stopper Sub slip feed lever...
  • Page 107 Confidential Slip drive gear Paper feed reduction gear Paper feed transmission gear J/S change gear Slip transmission gear Paper feed motor Paper feed motor gear Slip drive gear Figure D-23 The head carriage assembly moves to the far right side immediately prior to the operation to position the slip paper at the top.
  • Page 108 Confidential TM-H6000/H6000P Service Manual When the slip paper is fed forward, the respective gears rotate in the directions indicated by arrow a, arrow b, arrow c, arrow d, arrow e, and arrow f. This rotates the slip feed roller and slip retainer roller in the directions indicated by arrow g and h, feeding the slip paper in the direction indicated by the arrow.
  • Page 109 Confidential This ribbon feed mechanism only feeds the ribbon when the head carriage assembly is moved from the right side to the left side. Ribbon reduction gear transmission gear Carriage transmission pulley Ribbon take-up shaft Head carriage set Ribbon take-up gear Ribbon drive gear Ribbon intermediate gear Figure D-24...

  • Page 110: Thermal Printer Mechanisms

    Confidential TM-H6000/H6000P Service Manual Furthermore, the ribbon take-up gear has an internal one-way clutch, preventing it from rotating in the direction indicated by black arrow G and in turn prevents ribbon slack. Ribbon take-up shaft transmission gear Carriage transmission pulley...
  • Page 111 Confidential The outer appearance of the thermal printer is shown below. Thermal mechanism cover Thermal case Figure D-26 Paper Feed Mechanism Paper is fed by the drive transmission mechanism, which rotates the platen, and the head pressing mechanism, which presses the thermal head against the platen. Appendix D-20 Product Overview Rev.
  • Page 112 Confidential TM-H6000/H6000P Service Manual Drive transmission mechanism The cover frame has a platen supported on bearings to allow it to rotate freely. When the cover frame is closed, the platen gear fixed to the platen shaft meshes with the reduction gear provided at the left side of the frame.
  • Page 113 Confidential When the frame cover is closed, the top of the thermal head radiation plate and platen first make contact as shown in the figure below, and the thermal head separates from the links in the direction indicated by arrow , causing the head chip of the thermal head to make contact with the platen.
  • Page 114 Confidential TM-H6000/H6000P Service Manual Paper feed operation When the frame cover is opened, a paper roll is loaded in the proper position, and the frame cover is closed. This fits the paper roll between the thermal head and platen. The frictional force between the platen and paper cause the paper roll to feed in the direction indicated by arrow when the motor rotates the platen.
  • Page 115 Confidential When the cover is open Drop-in placement of the paper roll is used for this unit. When the frame cover is opened, the thermal head is exposed (head open mechanism). In addition to facilitating easy loading of paper rolls, this mechanism also simplifies removal of jammed paper and cleaning of the thermal head and platen.
  • Page 116 Confidential TM-H6000/H6000P Service Manual Paper Supply Mechanism Paper guides that hold the paper roll are fixed to the frame. The side wall surface of the guides extend all the way to the thermal head, limiting the width of paper feed. The paper guides also have a near end detection mechanism, which detects when there is a certain amount of paper remaining, and a paper end detection mechanism, which detects the end of the paper roll.
  • Page 117 Confidential If a new paper roll is loaded, the micro switch is pressed by the N.E. detector lever on the side of the roll, causing it to go On. When the amount of paper remaining on the roll is less than a certain amount, the tip of the N.E. detector lever no longer makes contact with the side of the roll, and it rotates in the direction indicated by arrow , falling inside the paper roll core, causing the micro switch to go Off,...
  • Page 118 Confidential TM-H6000/H6000P Service Manual The impact plate around the sensor is integral with the frame plate. When the frame cover is opened, the sensor is exposed, but the impact plate acts as a lightning rod, preventing discharge of static electricity to the sensor, which would damage it. The paper detection circuit board is connected to the intermediate circuit board by the paper end detector lead wire.
  • Page 119 Confidential Printing Mechanism The thermal head is in a position where the heating element can make contact with the platen. The paper rolled around the platen is pressed against the thermal head heating element with the prescribed amount of pressure. Printing is performed when the heating element generates heat. A thin-film thermal head is used for this printer unit.
  • Page 120 Confidential TM-H6000/H6000P Service Manual Electrode Thermal color development layer Base Glaze circuit board Protective layer Figure D-37 Data input and printing The serial printing data input from Data In is synchronized with the clock, transferred to the shift register, and stored in the latch according to the timing of the latch signal. The stored printing data is sent to the heating element when the gate is turned on by the strobe signal.
  • Page 121 Confidential The electrical pulse width, paper feed rate, thermistor detection temperature, head supply voltage, and condition for printing the previous dot are set to the ideal values, depending on the printing pattern. 32 Bit cut 32 Bit cut R257 R512 R256 DATA IN 1 0 1 2 3...
  • Page 122 Confidential TM-H6000/H6000P Service Manual *1,*3 DATA IN 1,2 CLOCK LATCH STROBE 1 STROBE 2 Figure D-39 Cutter Mechanism This unit has an autocutter mechanism that cuts paper automatically, and a manual cutter that allows the paper to be cut manually.
  • Page 123 Confidential Blade holder spring Fixed blade Movable cutter blade spring Movable cutter blade Figure D-40 Fixed blade mechanism The fixed blade is located on the frame cover. The fixed blade retainer spring pushes the fixed blade against the frame cover. As a safety consideration, a row of short tooth-shaped of projections is provided on the ejection side near the fixed blade.
  • Page 124 Confidential TM-H6000/H6000P Service Manual Movable blade mechanism The paper cutter motor is mounted to the paper cutter cover, and the cutter motor gear is pressure fit onto the motor shaft. A DC brush motor is used as the paper cutter motor. The gear drive shaft (fit on the paper cutter cover) is supported in such a way to allow the drive gear to rotate.
  • Page 125 Confidential The motor rotates clockwise when voltage is applied between the paper cutter motor terminals. The drive pin moves the movable blade toward the fixed blade. The movable blade and fixed blade intersect, cutting the paper from the right edge. The movable blade is retracted with a certain amount of paper to be cut remaining at the left edge.
  • Page 126 Confidential TM-H6000/H6000P Service Manual Manual cutter Fixed blade Paper cutter cover Movable cutter blade Figure D-45 Cover Mechanism Thermal mechanism cover AA is mounted to the frame cover to provide adequate cover strength. The printer, including the auto cover, does not operate normally if the frame cover is not properly closed.
  • Page 127 Confidential Frame cover Paper holder Cover shaft Right frame Cover spring Figure D-46 Appendix D-36 Product Overview Rev. A...
  • Page 128 Confidential TM-H6000/H6000P Service Manual Cover open detection mechanism A transparent photo sensor consisting of an LED and photo transistor is mounted on the cover open circuit board, which is fixed to the right frame. The frame cover has a blind linked to this transparent photo sensor that enters a slit in the photo sensor when the frame cover is closed properly, interrupting the light rays.
  • Page 129 Confidential Cover open mechanism To open the cover, pull strongly on the thermal mechanism AA (plastic cover part) for the cover knob in the direction indicated by the arrow. Thermal mechanism cover Figure D-48 Printer Holding Mechanism The paper holder and thermal case are fixed to the thermal holder, and the thermal frame is supported by the support shafts on the right and left sides.
  • Page 130 Confidential TM-H6000/H6000P Service Manual When the thermal printer is rotated to replace the endorsement printer ribbon or for another purpose, the thermal buttons on both sides of the thermal case are pulled in the direction of arrow to release the link with hook plate C, and the thermal case is rotated in the direction of arrow .
  • Page 131 Confidential Hook plate Hook spring Right thermal spring Hook plate Hook spring Left thermal spring thermal frame Figure D-50 Appendix D-40 Product Overview Rev. A...

  • Page 132: Outline Of Circuit

    Confidential TM-H6000/H6000P Service Manual Outline of Circuit Connection of Units This printer consists of the following main units: Thermal mechanism unit Impact head Impact mechanism drive unit Main circuit board unit Memory circuit board unit Power supply unit CN18 I/F board...

  • Page 133: Circuit Block Diagram

    Confidential Circuit Block Diagram In the circuit block diagram below, the circuit units in this printer are divided into main units. (A/C is autocutter.) Power CN18 Power supply supply unit Power supply Thermal head motor 24VA voltage supply Power supply 24VB Impact head A/C, Power supply...

  • Page 134: Memory Circuit Board

    Confidential TM-H6000/H6000P Service Manual Memory Circuit Board An outline of the memory board configuration and specifications is provided below. Program ROM (Flash memory, U508) TableD-2 Program ROM specifications Item Specification Application Mainly for storage of programs Capacity Standard: 4 Mbit 8 Mbits may be used, depending on specifications.

  • Page 135: Main Circuit Board Unit

    Confidential Memory Map 000000H CPU I/O 0003FFH 000400H RAM(INT) 000BFFH 000C00H RAM(EXT) CS1=0 1FFFFFH 400000H Gate Array CS0=0 4000FFH 800000H Font ROM 4M,or 8M CS3=0 8FFFFFH F00000H Program ROM 4M,or 8M CS2=0 FFFFFFH Figure D-53 Main Circuit Board Unit The main circuit board consists of the following elements: CPU Peripheral Circuit •...
  • Page 136 Confidential TM-H6000/H6000P Service Manual • Lever function drive circuit (for paper feed path changeover) • Various detection circuits Thermal Mechanism Drive Function • Thermal head drive circuit • Paper feed motor drive circuit (for thermal unit only) • Autocutter drive circuit •...

  • Page 137: Cpu And Peripheral Logic Circuits

    Confidential CPU and Peripheral Logic Circuits TableD-6 CPU specifications Item Specification External Data Bus Width 16 bits Internal Data Bus Width 32 bits External Clock 9.83 MHz (root oscillation) Bus Speed 19.66 MHz Product Number TMP94C251F (Toshiba) Internal RAM 256 bytes (used as stack area) A/D Input Ports Four slip sensors (TOF detector, BOF detector, ejection detector, validation detector), and one each for MICR head reading, power source voltage...
  • Page 138 Confidential TM-H6000/H6000P Service Manual TableD-7 CPU terminals and functions Port (Terminal) Description Circuit Signal I/O Definition Name Name EP_TP EP_TP E/P timing pulse interrupt SW_SLIP_PF SW_SLIP None Depressed SW_RECEIPT_PF SW_RPT None Depressed Receive DMA request receipt DREQ Interrupt for synchronous serial...
  • Page 139 Confidential TableD-7 CPU terminals and functions Port (Terminal) Description Circuit Signal I/O Definition Name Name PB2/HLCAS1 LED_PAPER LED_PAPER PB3/HUCAS1 SEN_PWR SEN_PWR Power off Power on (sensor power On/Off) PB4/WE1 PTLED_COM PTLED_COM Power on Power off PA0/CAS0 MICR plunger (+) MICR_SOL1 PA1/UCAS0 MICR plunger (-) MICR_SOL2...
  • Page 140 Confidential TM-H6000/H6000P Service Manual TableD-7 CPU terminals and functions Port (Terminal) Description Circuit Signal I/O Definition Name Name  P10/D8 External data bus  P11/D9 External data bus  P12/D10 External data bus  P13/D11 External data bus  P14/D12 External data bus ...
  • Page 141 Confidential TableD-7 CPU terminals and functions Port (Terminal) Description Circuit Signal I/O Definition Name Name  P41/A01 External address bus  P40/A00 External address bus DVCC DSW1-1 DSW1-1 DSW1-2 DSW1-2 DSW1-3 DSW1-3 DSW1-4 DSW1-4 DSW1-5 DSW1-5 DSW1-6 DSW1-6 EJ memory WP signal EJ_WP Power source LED LED_POWER...
  • Page 142 Confidential TM-H6000/H6000P Service Manual Gate Array (GA) The GA for this printer mainly consists of a custom IC with the following functions. The GA is operated by external root oscillation (10 MHz). Impact head drive function Thermal head drive function...
  • Page 143 Confidential TableD-8 GA terminals and functions Terminal Circuit Signal Meaning Meaning Name Description Name Spec. of H of L SW24V2 24V enabler 2 24VSW2 supplied interrupted PB7/HEAD9 Impact/shuttle head 9 SHEAD9 Blocked Driven VDD2 Fixed power source PA7/HEAD8 Impact/shuttle head 1 SHEAD1 Blocked Driven...
  • Page 144 Confidential TM-H6000/H6000P Service Manual TableD-8 GA terminals and functions Terminal Circuit Signal Meaning Meaning Name Description Name Spec. of H of L PI0/ DSW2-4 DSW2-4 DSW-OFF DSW-ON AC motor 1 AC_M1 AC motor 2 AC_M2 VDD4 Fixed power source XOUT Oscillator output 10.0 MHz...
  • Page 145 Confidential TableD-8 GA terminals and functions Terminal Circuit Signal Meaning Meaning Name Description Name Spec. of H of L GACS GA CS CS_GA selected selected PH5/STB1 Thermal head strobe-1 TH_STB1 Block 1 selected selected PH4/STB2 Thermal head strobe-2 TH_STB2 Block 2 selected selected PH3/DI1...
  • Page 146 Confidential TM-H6000/H6000P Service Manual The host interface reset signal (DSR signal and pin 25 input signal) is connected through DSW 2-7 and 2-8. When the reset signal (LOW) is applied here, the printer is reset. In the reset status, the CPU and GA are initialized, but the power remains on, and this status differs from when the power is turned on again.

  • Page 147: Slip Mechanism Drive Function

    Confidential Slip Mechanism Drive Function The main functions of the slip mechanism are described below: Impact head drive Carriage motor drive Paper feed motor drive Lever motor drive Lever drive Various detection circuits Impact Head Drive The impact head drive unit consists of the head solenoid drive and common drive. The head drive circuit diagram is shown below.
  • Page 148 Confidential TM-H6000/H6000P Service Manual The SHEAD 1-9 signal lines (LOW active) are on the left side. These signals are directly driven by the GA (directly connected to GA [U30]). Signals SHEAD 1-9 are input to the head drive (QM3, 6, Q12: All NPN Darlington transistors) via the print driver (QM2, 4, 5, 7, Q13: All PNP transistors).

  • Page 149: Carriage Motor Drive Circuit

    Confidential Carriage Motor Drive Circuit The carriage motor for this printer is two-phase stepping motor. Constant-current drive is provided using 2-2 phase excitation as the drive method. Therefore, a dedicated constant- current drive chopping driver (U14, A2917SEB made by Alegrow) is used. CR_DA CR_I20 CR_I21...
  • Page 150 Confidential TM-H6000/H6000P Service Manual The drive signal to drive the phases is sent at the logical level of the PHASE1, 2 terminals. The motor driver cannot operate unless signal 24VSW1 in the circuit diagram is set to HIGH (controlled by the GA). When this signal is at a status other than HIGH, IC consumption is 0, and no electricity goes to the motor.
  • Page 151 Confidential Lever Motor Drive Circuit This printer has a DC type lever motor for the purpose described below. Adjustment of paper path changeover timing Adjustment of shaft rotation position Rotation of the lever motor starts changeover of the paper path and the platen open/close operation.
  • Page 152 Confidential TM-H6000/H6000P Service Manual Lever Drive Circuit This printer has two levers to drive the mechanism. The lever motor rotation enables lever A and lever B to function. This controls the mechanism. Lever A and lever B are solenoids driven by 24V. Simple drive of lever A and lever B is performed by an NPN Darlington transistor.
  • Page 153 This signal is used for thermal unit sensor. photo Rear Cover Case Photo IC Logical judgment of photo IC output is performed by the GA TM-H6000 port. EP Timing EP unit Tacho-gene Waveform shaping (Q19) of sine wave output, and processing...

  • Page 154: Thermal Mechanism Drive Circuit

    Confidential TM-H6000/H6000P Service Manual Thermal Mechanism Drive Circuit Paper Feed Motor Drive Circuit The paper feed motor drive circuit drives the thermal receipt feed motor, a 2-phase stepping motor. The motor is driven with 2-2 phase excitation at a constant current (partial 1-2 phase excitation).
  • Page 155 Confidential Thermal Head Drive Circuit Printing is performed by applying voltage to the heating element resistor in the thermal head. The GA (U30) controls all data transfers to the thermal head, and also controls the energizing pulse. Firmware gives instructions to the GA, but data transfers and drive pulses are performed automatically by the GA.
  • Page 156 Confidential TM-H6000/H6000P Service Manual Autocutter Drive Circuit The autocutter uses a DC motor driven by a dedicated DC motor driver (Toshiba TA8248K). The autocutter is controlled by output signals AC_M1, AC_M2 from the GA (U30). CN23 24VB AC_M1 OUTA OUTA...

  • Page 157: Input Circuit

    Confidential Input Circuit Logic Power Source Circuit The logic power source circuit generates the power for this printer. The CPU, GA, and most other circuits do not operate if voltage is not output by the logic power source circuit. The power source circuit has an input of 24V, and uses a dedicated DC/DC converter IC (U11: PQ1CZ1) to output 5V ±...
  • Page 158 Confidential TM-H6000/H6000P Service Manual Rush Current Control Circuit The rush current control circuit controls rush current when the power source is turned on. This printer has large-capacity condensers to facilitate stable operation of mechanism drivers and circuits. Therefore, an excess of rush current is generated when the power is turned on. This circuit controls the rush current.
  • Page 159 Confidential Switch Circuit The 24V supplied from the external power source is supplied to the required locations in this circuit. The supply power source and application are described below. The 5V system has the same type of switch, which is also turned on and off to configure it at the same time. The circuit is configured with a MOSFET semiconductor switch.

  • Page 160: Control Panel Function

    Confidential TM-H6000/H6000P Service Manual SEN_PWR R207 VCC-PWR VCC_SEN R208 24VSW1 24V(DM) SIN2-1 24VB CN29 SIN2-1 VCC-PWR2 24VA R243 CN18 PIN1 R244 MIN1 24VSW2 24VC R176 R177 24VSW1 Figure D-67 Control Panel Function This printer has four LEDs and two input switches.

  • Page 161: Malfunction Protective Circuit

    Confidential The circuit configuration is shown below. All lamps turn on when the signal outputs the HIGH status. R178 LED_SLIP R179 LED_PAPER R181 LED_ERROR R180 LED_POWER SW_SLIP SW_RPT Figure D-68 Types of Switches The printer has two switches. As shown by the circuit for the display functions in the previous section, input is enabled by two signals (SW_SLIP, SW_RPT).

  • Page 162: Interface

    Interface This printer has a variety of interfaces. There is a dedicated connector (CNB) for the EPSON customer display. A general-purpose drawer can be connected to CN9 and used. The optional interface board allows communication with more interfaces.
  • Page 163 Confidential Fuses TableD-17 Fuses Fuse Function Standard Fuse F1 Main fuse, provided for safety purposes. Fuse may burn out R452003 Littelfuse inc when input circuit is unsafe. Make sure to use the same type of fuse when it is replaced. Replace the fuse after eliminating the cause of the burn out.

  • Page 164: Dip Switch Settings

    Confidential TM-H6000/H6000P Service Manual DIP Switch Settings Serial Interface Specifications There are two DIP switches, DIP switch 1 and DIP switch 2, which have different functions. DIP Switch 1 TableD-18 DIP switch 1 settings Switch No. Function Data receive error Ignored "?"...
  • Page 165 Confidential DIP Switch 2 TableD-20 DIP switch 2 settings Switch No. Function Handshake operation (BUSY condition) Receive buffer full Offline or receive buffer full Customer display (DM-D) connection Connected Not connected Printing density selection See table below Used internally Fixed at OFF Used internally Fixed at OFF Pin 6 reset signal...

  • Page 166: Parallel Interface Specifications

    Confidential TM-H6000/H6000P Service Manual Parallel Interface Specifications There are two DIP switches, DIP switch 1 and DIP switch 2, which have different functions. DIP Switch 1 TableD-22 DIP switch 1 settings Switch No. Function Auto carriage return Always valid Always void...
  • Page 167 Confidential DIP Switch 2 TableD-23 DIP switch 2 settings Switch No. Function Handshake operation (BUSY condition) Receive buffer full Off line or receive buffer full Reserved (do not change setting) Fixed at OFF Printing density selection See table below Reserved (do not change setting) Fixed at OFF Reserved (do not change setting) Fixed at OFF...

  • Page 168: Self Test

    Confidential TM-H6000/H6000P Service Manual Self Test The self-test confirms the following items: Functioning of control circuit Functioning of printer mechanism Print quality Control software version DIP switch settings Refer to Troubleshooting in Chapter 1 for details. Rev. A Product Overview Appendix D-77...

  • Page 169: Outline Of Specifications

    Confidential Outline of Specifications Features This is a high-quality POS printer that prints receipts (from paper roll) and slips in one unit. It has the following features: Slip Unit • Performs single-pass, high-speed processing of checks after the operator simply inserts the check, and easy to operate.

  • Page 170: Slip Unit

    Confidential TM-H6000/H6000P Service Manual Slip Unit Printing Specifications Printing method Serial impact dot matrix Head wire arrangement 9 x 1 row, wire pitch of 0.353 mm (1/72 inch) Printing direction Bidirectional printing at shortest distance Print speed Approx. 4.6 LPS (For 40 digits, 17.8 CPI printing:Normal mode) (LPS: Lines Per Second;...
  • Page 171 Confidential Paper Specifications Single sheet Type of paper Plain paper, pressure-sensitive paper, carbon copy paper Paper dimensions 70 - 148 mm (W) 150 - 210 mm (L) One page (no copy) • Paper thickness 0.09 mm - 0.2 mm Copy paper (When copy paper is used, there should be no more than four sheets.) The paper thickness and copy capacity are shown in the table below.

  • Page 172: Receipt Unit

    Confidential TM-H6000/H6000P Service Manual Receipt Unit Printing Specifications Printing method Thermal line Dot density 180 dpi 180 dpi (dots per 25.4 mm) Print direction Uni-directional friction feed Printing width 72 mm, 512 dot positions Printed digits Font A: 42 digits...
  • Page 173 Confidential Character size TableD-33 Character size Standard Double Vertical Double Horizontal Four Times Standard W×H(mm) W×H(mm) W×H(mm) W×H(mm) Digits Digits Digits Digits Font A (12×24) 1.41×3.39 1.41×6.77 2.82×3.39 2.82×6.77 Font B (9×17) 0.99×2.40 0.99×4.80 1.98×2.40 1.98×4.80 Note: Does not include spaces between characters Standard dimensions can be enlarged up to 64 times Autocutter Partial cut...
  • Page 174 Confidential TM-H6000/H6000P Service Manual Outer dimensions TableD-35 Outer dimensions Item Specifications Max. φ 83 mm Diameter Width/Wind Up Dimension 80 + 0.5 / - 1.0 mm Designated Paper (pressure-sensitive paper/paper roll), Type NTP080-080 TableD-36 Designated paper specifications Country Manufacturer Japan NAKAGAWA MFG.

  • Page 175: Overall Specifications

    Confidential Overall Specifications Internal Buffer TableD-38 Internal buffer capacity Buffer Capacity Receive Buffer 45 bytes or 4 KB, selected by DIP switch Download Buffer For receipts: 12 KB (For download characters/download bit For slips: Approx. 3 KB images) Macro Buffer 2 KB NV Bit Image Storage Area 384 KB...

  • Page 176: Interface

    Confidential TM-H6000/H6000P Service Manual Interface RS-232C Serial Interface Specifications TableD-40 RS-232C serial interface specifications Item Specifications Data Transfer Method Serial Synchronization Asynchronous Handshake DTR/DSR or XON/XOFF control MARK: - 3V  - 15 V, Logic "1" Signal Level SPACE: + 3V  + 15 V, Logic "0"...
  • Page 177 Confidential Specifications TableD-41 Bidirectional parallel interface specifications Item Specifications Data Transfer Method 8 bit parallel Synchronization By externally supplied Strobe signal Handshake By Ack signal and Busy signal Signal Level All signals are TTL compatible Connector ADS-B36BLFDR176 (Honda Tsushin Kogyo) or equivalent (IEEE1284 Type B) Online/offline This printer does not have an online/offline switch.
  • Page 178 Confidential TM-H6000/H6000P Service Manual TableD-42 RS-485 serial interface specifications Item Specifications Parity None, even, odd Stop Bit 1 bit or more Connector D-SUB25 (female) The date stop bit is fixed at 1 bit. Signal level and communication control functions TableD-43 Signal level and communication control function list (CS1/CS2) Function Communication is available.
  • Page 179 Confidential When no paper status is detected by the paper roll end detector, or when a printing stop function is activated by ESC c 4 for paper roll near end detector • While waiting for switch during macro execution • During temporary abnormal power source status •...

  • Page 180: Appendix E Parts List

    Confidential TM-H6000/H6000P Service Manual Appendix E Parts List Alphanumeric List name for service manual name for price list Q’ty page Ref.# Belt drive cap CAP,BELT DRIVE Belt tension spring SPRING,BELT TENSION Blade holder spring SPRING,BLADE HOLDER Carriage assembly CARRIAGE ASSEMBLY...
  • Page 181 Confidential name for service manual name for price list Q’ty page Ref.# E-ring(3) RETAINING RING TYPE-E(3)F/UC F-2,3,5 E-ring(4) RETAINING RING TYPE-E(4) F/UC E-ring(5) RETAINING RING TYPE-E(5) F/UC F-3,4 Fixed blade FIXED BLADE Form stopper FORM STOPPER Form stopper shaft SHAFT,FORM STOPPER Form stopper spring SPRING,FORM STOPPER Frame cover...
  • Page 182 Lower case CASE,LOWER Lower plate PLATE,LOWER Main circuit board assembly (for M-U675) MAIN CIRCUIT BOARD ASSEMBLY (FOR M- U675) Main circuit board assembly (for TM-H6000/ MAIN CIRCUIT BOARD ASSEMBLY (FOR TM- H6000P) H6000/H6000P) Main plate sub assembly PLATE,MAIN,SUBU ASSEMBLY Manual cutter...
  • Page 183 Confidential name for service manual name for price list Q’ty page Ref.# Metallic insulator spacer INSULATOR SPACER MICR shutter SHUTTER,MICR Micro switch MICRO SWITCH Micro switch MICRO SWITCH Motor frame FRAME,MOTOR N.E. detector adjustment screw SCREW,DETECTOR ADJUSTMENT,N.E N.E. detector holder HOLDER,N.E.DETECTOR N.E.
  • Page 184 Confidential TM-H6000/H6000P Service Manual name for service manual name for price list Q’ty page Ref.# Paper feed trigger attraction plate PAPER FEED TRIGGER ATTRACTIVE PLATE Paper feed trigger claw spring PAPER FEED TRIGGER CROW SPRING 3 Paper holder PAPER HOLDER...
  • Page 185 Confidential name for service manual name for price list Q’ty page Ref.# Rubber insulator spacer SPACER,INSULATOR Screening plate PLATE,SCREENING screw(C.B.,2.6X4) C.B.,2.6X4,F/ZN screw(C.B.,2X2.5) C.B.2X2.5,F/ZN screw(C.B.B-tite,2X8) C.B.B-TITE,2X8,F/ZN screw(C.B.B-tite,4X12) C.B.B.SCREW,4X12,F/ZN screw(C.B.B-tite,4X25) C.B.B.SCREW,4X25 F/ZN screw(C.B.P-tite,3X6) C.B.P-TITE SCREW,3X6,F/ZN F-2,3 screw(C.B.P-tite,3X8) C.B.P-TITE SCREW,3X8,F/ZN screw(C.B.P-tite,3X8) C.B.P-TITE SCREW,3X8,F/ZN screw(C.B.S-tite F,3X4) C.B.S-TITE F,3X4,F/ZN screw(C.B.S-tite F,3X4)
  • Page 186 Confidential TM-H6000/H6000P Service Manual name for service manual name for price list Q’ty page Ref.# Slip paper guide PAPER GUIDE,SLIP Slip T.O.F. detector assembly SLIP T.O.F. DETECTOR ASSEMBLY Slip transmission gear GEAR,SLIP TRANSMISSION Strengthening plate PLATE,STRENGTHEN,B Sub slip feed lever shaft...

  • Page 187: Reference Number List

    Confidential Reference Number List name for service manual name for price list Q’ty page Ref.# screw(C.B.S-tite F,3X4) C.B.S-TITE F,3X4,F/ZN screw(C.P.T-B,3X10) C.P.T-B SCREW,3X10,F/ZN screw(C.C.,4X20) C.C.SCREW,4X20,F/ZN screw(C.C.S-tite,3X6) C.C.S.SCREW M3X6 screw(C.B.S-tite F,3X6) C.B.S-TITEF,3X6,F/ZN screw(C.P.S-tite(0),3X6) C.P.S-TITE.(0),3X6,F/ZN F-1,3 screw(C.B.B-tite,4X12) C.B.B.SCREW,4X12,F/ZN screw(C.B.B-tite,4X25) C.B.B.SCREW,4X25 F/ZN Clamp CLAMP IC cover IC COVER Plain washer(4.2X1X12)
  • Page 188 Hexagon lock screw (millimeter type) HEXAGON LOCK SCREW Power switch cover COVER,POWER SWITCH Switch panel label LABEL,SWITCH PANEL Main circuit board assembly (for TM-H6000/ MAIN CIRCUIT BOARD ASSEMBLY (FOR TM- H6000P) H6000/H6000P) RS-232 I/F circuit board assembly RS-232 I/F CIRCUIT BOARD ASSEMBLY...
  • Page 189 Confidential name for service manual name for price list Q’ty page Ref.# Left frame FRAME,LEFT Motor frame FRAME,MOTOR Frame plate PLATE,FRAME Frame cover COVER,FRAME Pressurizing plate PLATE,PRESSURIZING Relaxation plate PLATE,RELAXATION Blade holder spring SPRING,BLADE HOLDER Gear shaft SHAFT,GEAR Cover spring SPRING,COVER Cover shaft SHAFT,COVER...
  • Page 190 Confidential TM-H6000/H6000P Service Manual name for service manual name for price list Q’ty page Ref.# Belt drive cap CAP,BELT DRIVE Platen spring SPRING,PLATEN Oil ring OIL RING Slip insertion detector holder HOLDER,SLIP INSERT DETECTOR Nylon clip NYLON CLIP screw(C.P.P-tite,3X12) C.P.P-TITE SCREW,3X12,F/ZN screw(C.B.P-tite,3X6)
  • Page 191 Confidential name for service manual name for price list Q’ty page Ref.# Slip transmission gear GEAR,SLIP TRANSMISSION Slip drive gear GEAR,SLIP DRIVE F-2,3,5 Paper feed frame fixing lever spring (type SPRING,PAPER FEED FRAME FIXING LEVER,A Sub slip feed lever spring SPRING,SUB SLIP FEED LEVER Paper feed frame fixing lever spring (type B) SPRING,PAPER FEED FRAME FIXING LEVER,B Slip feed roller holder...
  • Page 192 Confidential TM-H6000/H6000P Service Manual name for service manual name for price list Q’ty page Ref.# Ribbon drive plate assembly RIBBON DRIVE PLATE ASSEMBLY H.P. detector assembly H.P.DETECTOR ASSEMBLY Intermediate circuit board assembly INTERMEDIATE CIRCUIT BOARD ASSEMBLY Carriage assembly CARRIAGE ASSEMBLY...
  • Page 193 Confidential name for service manual name for price list Q’ty page Ref.# Lead wire (type E) LEAD WIRE,E Lead wire (type F) LEAD WIRE,F Lead wire (type G) LEAD WIRE,G Lead wire (type H) LEAD WIRE,H Lead wire (type I) LEAD WIRE,I Lead wire (type J) LEAD WIRE,J...

  • Page 194: Appendix F Exploded Diagrams

    Confidential TM-H6000/H6000P Service Manual Appendix F Exploded Diagrams TM-H6000/H6000P 103 141 Rev. A Exploded Diagrams Appendix F-1...

  • Page 195: Mechanism Assembly

    Confidential TM-H6000/H6000P Service Manual Mechanism Assembly Rev. A Exploded Diagrams Appendix F-2...

  • Page 196: Frame Assembly

    Confidential TM-H6000/H6000P Service Manual Frame Assembly Rev. A Exploded Diagrams Appendix F-3...

  • Page 197: Carriage Assembly

    Confidential TM-H6000/H6000P Service Manual Carriage Assembly Rev. A Exploded Diagrams Appendix F-4...

  • Page 198: Pf Assembly

    Confidential TM-H6000/H6000P Service Manual PF Assembly Rev. A Exploded Diagrams Appendix F-5...

  • Page 199: Thermal Mechanism

    Confidential TM-H6000/H6000P Service Manual Thermal Mechanism Rev. A Exploded Diagrams Appendix F-6...

  • Page 200: Appendix G General Lubrication Points Diagrams

    Confidential TM-H6000/H6000P Service Manual Appendix G General Lubrication Points Diagrams TM-H6000/H6000P G-48 G-48 Rev. A General Lubrication Points Diagrams Appendix G-1...

  • Page 201: Mechanism Assembly

    Confidential TM-H6000/H6000P Service Manual Mechanism Assembly G-36 G-36 G-48 Rev. A General Lubrication Points Diagrams Appendix G-2...

  • Page 202: Frame Assembly

    Confidential TM-H6000/H6000P Service Manual Frame Assembly G-48 G-48 G-48 G-48 G-36 G-36 G-36 G-48 G-36 G-36 G-48 G-48 Rev. A General Lubrication Points Diagrams Appendix G-3...

  • Page 203: Carriage Assembly

    Confidential TM-H6000/H6000P Service Manual Carriage Assembly G-36 G-36 G-36 G-36 G-36 G-36 G-36 G-36 G-36 G-36 O-10 G-36 G-36 G-36 G-36 G-36 O-10 O-10 G-36 G-36 Rev. A General Lubrication Points Diagrams Appendix G-4...

  • Page 204: Pf Assembly

    Confidential TM-H6000/H6000P Service Manual PF Assembly G-36 Rev. A General Lubrication Points Diagrams Appendix G-5...

  • Page 205: Thermal Assembly

    Confidential TM-H6000/H6000P Service Manual Thermal Assembly G-19 G-19 G-15 G-15 Rev. A General Lubrication Points Diagrams Appendix G-6...

  • Page 206: Appendix H Circuit Board Unit Circuit Diagrams

    Confidential TM-H6000/H6000P Service Manual Appendix H Circuit Board Unit Circuit Diagrams Main circuit board assembly (outline) Thermal block (page H-6) page H-4 page H-2 page H-3 page H-5 Rev. A Circuit Board Unit Circuit Diagrams Appendix H-1...

  • Page 207: Main Circuit Board Assembly (1

    Confidential TM-H6000/H6000P Service Manual Main circuit board assembly (1 of 4) Rev. A Circuit Board Unit Circuit Diagrams Appendix H-2...

  • Page 208: Main Circuit Board Assembly (2

    Confidential TM-H6000/H6000P Service Manual Main circuit board assembly (2 of 4) Rev. A Circuit Board Unit Circuit Diagrams Appendix H-3...

  • Page 209: Main Circuit Board Assembly (3

    Confidential TM-H6000/H6000P Service Manual Main circuit board assembly (3 of 4) Rev. A Circuit Board Unit Circuit Diagrams Appendix H-4...

  • Page 210: Main Circuit Board Assembly (4

    Confidential TM-H6000/H6000P Service Manual Main circuit board assembly (4 of 4) Rev. A Circuit Board Unit Circuit Diagrams Appendix H-5...

  • Page 211: Main Circuit Board Assembly (Thermal Block

    Confidential TM-H6000/H6000P Service Manual Main circuit board assembly (Thermal block) Rev. A Circuit Board Unit Circuit Diagrams Appendix H-6...

  • Page 212: Main Circuit Board Assembly (Memory Block

    Confidential TM-H6000/H6000P Service Manual Main circuit board assembly (Memory block) Rev. A Circuit Board Unit Circuit Diagrams Appendix H-7...

  • Page 213: Rs-232 I/F Circuit Board Assembly (Ub-S01) Circuit Diagram

    Confidential TM-H6000/H6000P Service Manual RS-232 I/F Circuit Board Assembly (UB-S01) Circuit Diagram TO MAIN BOARD DK 1 DK S +24V +12V +24V HOST RTS I/F DET CLKOUT/DTR CLKREQ DK 2 DK G DK P +24V TO HOST +24V SD/SD1 RD/SD2...

  • Page 214: Parallel I/F Circuit Board Assembly (Ub-P02) Circuit Diagram

    Confidential TM-H6000/H6000P Service Manual Parallel I/F Circuit Board Assembly (UB-P02) Circuit Diagram Rev. A Circuit Board Unit Circuit Diagrams Appendix H-9...

  • Page 215: Rs-485 I/F Circuit Board Assembly (Ub-S02) Circuit Diagram

    Confidential TM-H6000/H6000P Service Manual RS-485 I/F Circuit Board Assembly (UB-S02) Circuit Diagram TO MAIN BOARD DK 1 DK S +24V +24V HOST_RTS CLKIN/DTR CLKREQ TO HOST DK 2 DK G DK P +24V +24V SD/SD1 RD/SD2 RS/RD1 /RD2 DR/INIT1 (RES)

  • Page 216: Appendix I Printer Handling

    Confidential TM-H6000/H6000P Service Manual Appendix I Printer Handling Using the Power Switch Cover WARNING: If an accident occurs when the power switch cover is attached, unplug the power cord from the outlet immediately to avoid fire or shock. You can use the enclosed power switch cover to make sure that the power switch is not accidentally pressed.

  • Page 217: Opening The Front Cover

    Confidential Opening the Front Cover You can open the front cover of the printer by using the tabs on each side of the cover. Figure I-2 Opening the front cover Installing or Replacing the Paper Roll You need to install a paper roll even if you are using only the slip section of the printer. Note: Do not use paper rolls that have the paper glued or taped to the core because they might cause a paper jam.
  • Page 218 Confidential TM-H6000/H6000P Service Manual 4. Insert the paper roll as shown. Figure I-3 Inserting the paper roll 5. Be sure to note the correct direction that the paper should come off the roll. Figure I-4 Correct direction Rev. A Printer Handling I-3...

  • Page 219: Installing The Ribbon Cassette

    Confidential 6. Pull out a small amount of paper, as shown. Then close the cover and tear off the extra paper by pulling it toward the front of the printer. Figure I-5 Pulling out a small amount of paper Installing the Ribbon Cassette To install the ribbon cassette for the first time or to replace a used ribbon, follow the steps below: Note: Be sure to turn on the power before installing a ribbon cassette.
  • Page 220 Confidential TM-H6000/H6000P Service Manual 2. Open the front cover of the printer, using the tabs on each side of the cover. Figure I-7 Opening the front cover 3. Remove the old ribbon, if there is one. 4. Insert the new ribbon cassette as shown.
  • Page 221 Figure I-9 Making sure if the ribbon is seated correctly 6. Close the front cover of the printer. EPSON recommends the use of genuine EPSON ribbon cassettes. Ribbon cassettes not manufactured by EPSON may cause damage to your printer that is not covered by EPSON’s warranties. I-6 Printer Handling...

  • Page 222: Inserting Slip Paper

    Confidential TM-H6000/H6000P Service Manual Inserting Slip Paper When you insert slip paper, be sure that the right side of the paper is against the right side of the paper guide, as shown below. ¡ Figure I-10 Inserting slip paper When you insert a check for MICR reading or endorsement, insert the check as shown, with the side with the MICR characters facing up and with the MICR characters on the right side and the check against the right side of the paper guide, as shown below.

  • Page 223: Using The Control Panel

    Confidential Note: Because of variations in paper roll cores, it is not possible for the detector to measure exactly the length of paper left on the roll when the detector is triggered. If you want more paper left when the detector is triggered, change the setting, as described below.

  • Page 224: Leds

    Confidential TM-H6000/H6000P Service Manual LEDs POWER This light is on when the power is turned on. ERROR When this light is on but not blinking, it means that the printer is offline. Check to see if a cover is open. When this light is blinking, there is an error. If you see this light blinking, turn off the printer for a few seconds and then turn it back on.
  • Page 225 Confidential I-10 Printer Handling Rev. A...

  • Page 226: Appendix J Screw Types

    Confidential TM-H6000/H6000P Service Manual Appendix J Screw Types Washer (assembled) Head (side) Head (top) Body Figure J-1 Screw configuration Table J-1 Screw types Head (top) Head (side) Body Washer (assembled) C (Cross) P (Pan) S-tite (S) (Spring lock washer) B-tite...
  • Page 227 Confidential Appendix J-2 Screw Types Rev. A...

  • Page 228: Appendix K Parts Layout

    Confidential TM-H6000/H6000P Service Manual Appendix K Parts Layout Main Circuit Board Unit (parts side) (memory board) Rev. A Parts Layout K-1...

  • Page 229: Main Circuit Board Unit (Solder Side

    Confidential Main Circuit Board Unit (solder side) (memory board) K-2 Parts Layout Rev. A...

  • Page 230: I/F Circuit Board Assembly (Ub-S01

    Confidential TM-H6000/H6000P Service Manual RS-232 I/F Circuit Board Assembly (UB-S01) Parallel I/F Circuit Board Assembly (UB-P02) RS-485 I/F Circuit Board Assembly (UB-S02) R5 R18 R15 TP2 R14 R16 R19 Rev. A Parts Layout K-3...
  • Page 231 Confidential K-4 Parts Layout Rev. A...
  • Page 232 SEIKO EPSON CORPORATION Printed in Japan...

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