Fujitsu FI-4750C Cleaning And Maintenance
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Fujitsu FI-4750C Cleaning And Maintenance

Fujitsu FI-4750C Cleaning And Maintenance

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C150-E183-01EN
fi-4750C Image Scanner
Cleaning and Maintenance
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  • Page 1 C150-E183-01EN fi-4750C Image Scanner Cleaning and Maintenance...
  • Page 2 Revisions, Disclaimers Revisions Edition Date published Revised contents October, 2000 First edition Specification No. C150-E183-01EN FCC declaration: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 3 Changes The contents of this manual may be revised without prior notice. FUJITSU reserves the right to make changes to any products herein, to im- prove reliability, function, or design, without further notice and without obliga- tion. Copyrights All Rights Reserved, Copyright ©...
  • Page 4 Fujitsu Offices Please send your comments on this manual or on Fujitsu products to the following addresses: FUJITSU COMPUTER PRODUCTS OF AMERICA,INC. 2904 Orchard Parkway,San Jose. California 95134-2022,U.S.A. TEL:1-408-432-6333 FAX:1-408-432-3908 http://www.fcpa.com/ FUJITSU AUSTRALIA LIMITED Fujitsu Hause 2 Julius Avenue North Ryde N.S.W 2113 AUSTRALIA...
  • Page 5 While all efforts have been made to ensure the accuracy of all information in this manual, FUJITSU assumes no liability to any party for any damage caused by errors or omissions or by statements of any kind in this manual, its updates or supplements, whether such errors are omissions or statements resulting from negligence, accidents, or any other cause.
  • Page 6 Preface This manual explains how to clean and maintain the fi-4750C image scanner. The fi-4750C is a highly functional color image scanner developed for volume filing, using charge-coupled device (CCD) color image sensors. This scanner features duplex scanning and high quality color image processing with an automatic document feeder (ADF).
  • Page 7 CAUTION indicates that minor personal injury, loss of data, or damage to the scanner may result if you do not follow a procedure correctly. Official Fujitsu part names are indicated with an initial capital letter, as in the part name “Pick roller”.

  • Page 8: Table Of Contents

    CONTENTS CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 DESCRIPTION ... 1-1 Units ... 1-2 Assemblies ... 1-4 Operator Panel ... 1-5 Panel Display ... 1-6 CLEANING ... 2-1 Cleaning Supplies and Area Requiring Cleaning ... 2-2 Supplies ... 2-2 Areas Requiring Cleaning ...
  • Page 9 CHAPTER CHAPTER CHAPTER CHAPTER DESCRIPTION CLEANING REPLACEMENT OF PARTS TROUBLESHOOTING...

  • Page 10: Description

    CHAPTER DESCRIPTION This chapter describes units, assemblies, indicators and LED functions. Units Assemblies Operator Panel Panel Display...

  • Page 11: Units

    Units ADF paper chute lever Document cover Document holding pad Oparator panel Stacker Document bed Third party slot Power switch Power inlet Interface connector...
  • Page 12 Opens/closes ADF to enable the removal of jammed documents. Holds the documents to be fed by ADF. Displays the status of the scanner. Also displays buttons that enable the operator to change settings in Feed mode, Manual Feed mode, and Setup mode.

  • Page 13: Assemblies

    Assemblies Thumb screw Guide A ASY Stacker Pick roller 2 Pad ASY Pick roller 1...

  • Page 14: Operator Panel

    Operator panel The Operator panel is located on the upper right hand side of the scanner. The panel consists of an LCD (16 characters x 2 lines), LEDs, and buttons. Arrangement Operator panel Previous Exit Stop Send To/ Read Enter...

  • Page 15: Panel Display

    Stop When the Check LED lights, pressing this button releases the error status (turns off Check and returns to the Scanner Ready screen). Stops the reading while reading when the video interface option is used. Also turns off the Check lamp.

  • Page 16: Counter Display

    Counter Display The scanner is provided with a counter display. Counter Function Paper counter When the button is pressed When the button is pressed Abrasion counter Abrasion counter counts the accumulated number of the scanned sheet. This counter increments at every 10 sheets. This counter is useful to check the cleaning cycle or parts replacement cycle.
  • Page 17 Option is installed.) When the Scanner Display turns Off and the power remains “On”, the scanner is in the Low Power Mode. The scanner displays the following screen when waiting for the Start button to be pressed: When the Pick roller cleaning is necessary, the scanner displays...
  • Page 18 Temporary error This message is displayed if there is no more paper on the ADF paper chute during a read operation in ADF mode. Fill the ADF paper chute with paper. To enable the read operation, press the stop button.
  • Page 19 Alarm One of the following messages is displayed if an error occurs in the scanner. If one of the following error messages is displayed, turn the power Off and then On again. If the same message is displayed, contact your service representative.
  • Page 20 When this message is displayed, turn Off system power and then turn it On again. Alternatively, replace the current cable with one recommended by the manufacturer of the SCSI board. When the cause of the alarm has been corrected, the scanner automatically resumes operation once power is turned On again.

  • Page 21: Cleaning

    CHAPTER CLEANING This chapter describes cleaning supplies, areas that require clean- ing, and procedures for cleaning the ADF and the flatbed. Cleaning Supplies and Areas Requiring Cleaning Cleaning the ADF Cleaning the Flatbed...

  • Page 22: Cleaning Supplies And Area Requiring Cleaning

    Cleaning Supplies and Areas Requiring Cleaning Supplies Supplies Cleaning paper Cleaner F2 Cleaner F1 or Isopropyl alcohol Cotton swab Dry cloth *1 If the display on the operator panel shows “Please clean Pick-roller”, then clean it regardless of the frequencies recommended here. CAUTION *2 Do not clean the rubber rollers with cleaner F2.

  • Page 23: Areas Requiring Cleaning

    Areas Requiring Cleaning Name Area Document holding pad Flatbed Document bed Glass/Sheet guide Pick roller Plastic rollers Feed rollers Pick Arm Rollers Plastic rollers Cleaning paper Dry cloth with Cleaner F1 with Cleaner F1 Document holding Feed rollers Document bed Glass Cotton swab with Cleaner F1 or F2...

  • Page 24: Cleaning The Adf

    Cleaning the ADF Cleaning the ADF with cleaning paper Pull the ADF lever to open the ADF. Apply cleaner F1 to a new piece of cleaning paper. Place the cleaning paper on the ADF so that the edge of the short side touches the Plastic roller.
  • Page 25 Cleaning the ADF with a Dry cloth or a Cloth with Cleaner F1 Pull the ADF lever to open the ADF. Use a dry cloth or a cloth moistened with Cleaner F1 to softly remove dirt and dust as follows. Pad assembly : Wipe the pad in a downward direction (as indicated by the arrow).
  • Page 26 Pick roller: Pick roller Wipe the roller. Be careful not to damage the surface of the roller and the mylar strip above the Pick roller. Feed rollers : and Plastic rollers Wipe the rollers. Be careful not to damage the surface of the rollers.
  • Page 27 Sheet guide (white part): Wipe the sheet guide. NOTE If the Sheet guide is dirty, the front image may show vertical stripes. Close the ADF to lock the ADF lever. Sheet guide (white part)
  • Page 28 Cleaning the Pick Arm Rollers Pull the ADF lever to open the ADF. Moisten a cotton swab or Dry cloth with F1 or F2 Cleaner. Wipe the small Plastic rollers at the tip of the Pick Arm. Wipe the small Plastic rollers and the Pick Arm with a clean, dry cloth to dry them.
  • Page 29 Cleaning the Plastic rollers with Cleaner F2 Pull the ADF lever to open the ADF. Moisten a cotton swab with Cleaner F2. Wipe the Plastic roller surfaces. CAUTION Don’t wipe the Pick Rollers with a cotton swab using cleaner F2. Wipe the Plastic roller surface with a clean, dry cloth.

  • Page 30: Cleaning The Flatbed

    Cleaning the Flatbed Cleaning the Flatbed with a Cloth and Cleaner F1 NOTE Window or glass cleaner can be used instead of cleaner F1. However, do not use organic solvents. Open the Document cover. Apply Cleaner F1 to a clean cloth.

  • Page 31: Replacement Of Parts

    CHAPTER REPLACEMENT OF PARTS This chapter describes how to replace the pad assembly and the pick roller. Pad Assembly Pick Roller...

  • Page 32: Pad Assembly

    Pad Assembly NOTE The life span of the pad assembly is about 100,000 sheets or one year. Use the Abrasion counter on the Operator panel to estimate when the Pad assembly needs replacement. The life span may be decreased by as much as half when carbonless paper is read frequently.
  • Page 33 Slide the Pad Assembly to the left and pull it towards you. Then, being careful not to hook the spring for the Pad, remove the Pad Assembly. NOTE Hold both ends of the Pad assembly as shown in the right photo. CAUTION Don’t hold the sensor arm with the Pad assembly.

  • Page 34: Pick Roller

    Pick Roller NOTE The life span of the Pick roller is about 200, 000 sheets or one year. Use the Abrasion counter on the operator panel to estimate when the Pick roller needs replacement. The life span may be decreased by as much as half when carbonless sheets are frequently read. WARNING Turn off the power before replacing the Pick Rollers.
  • Page 35 With both hands, lift up Guide A and disengage its tip from the right hole. Then lift the right side of the cover and remove To remove the Pick rollers, turn the stopper counter- clockwise. Pick roller 2 Stopper Pick roller 1 Position for Replacement...
  • Page 36 To remove the Pick roller 1, move it to the left and then lift Immediately after removing the Pick roller 1, remove the Pick roller 2 in the same way.
  • Page 37 To attach the new Pick rollers, place Pick roller 1 from the right side above the bearing for Pick roller 1. NOTE Pick roller 1 has a groove in its rubber. Put the shaft of Pick roller 1 into the bearing. Then, slide Pick roller 1 toward the right side.
  • Page 38 Attach Pick roller 2, in the same way as Pick roller 1 as shown in step Then slide the Pick roller 2 toward right side. NOTE Make sure that the shaft is securely fixed to the bearings.
  • Page 39 Turn the stopper clockwise to secure the Pick rollers. Stopper Operating Position...
  • Page 40 Guide A Attach Guide A in the reverse sequence of step 3 and align the screw hole. See the graphic on page 1-4. Tighten the thumb screws. Close the ADF unit. Thumb screws 3-10...

  • Page 41: Troubleshooting

    CHAPTER TROUBLESHOOTING This chapter describes how to clear paper jams and run initial checks. It also contains a Problem Checklist that should be completed before you call a service representative. Clearing Paper Jams Initial Checks Problem Checklist...

  • Page 42: Clearing Paper Jams

    Clearing Paper Jams Remove all the documents from the ADF paper chute. Pull the ADF lever to open the ADF. Remove the jammed document(s). NOTES - Inspect the paper and the paper path. Make sure no staples, paper clips or other materials caused the jam. All staples and paper clips should be removed from all documents bofore scanning.

  • Page 43: Initial Checks

    Initial Checks If a problem occurs, check the following items before contacting the manufacturer’s authorized service center. The power does not go On. Symptom Is the power cable connected correctly? Is the power switch on? Contact the manufacturer’s authorized service center. Connect the power cable correctly.
  • Page 44 The operator panel turns “Off”. Symptom Has it been a long time since the scanner was last used? Did the scanner enter this state quickly? Did you load the paper on the ADF? Have 10 seconds passed since the PC instructed a scan? Contact the manufacturer’s authorized...
  • Page 45 Read operation does not start. Symptom Is the Shipping Lock placed in an operating position? Are the documents loaded correctly on the ADF paper chute? Is the ADF completely closed? Is the interface cable connected correctly? Place the Shipping Lock correctly.
  • Page 46 SCSI chain? Is the SCSI ID set correctly? Is the baud rate of the system 4800 bps? (When you use the Fujitsu video interface board.) Is the CHECK indicator lit? CHECK Is an Alarm displayed? Contact the manufacturer’s authorized service center.
  • Page 47 Contact the manufacturer’s authorized service center. Select the “Photo” mode (White level following “Off”) through the scanner setting menu in the software. Select the halftone or dithering mode from the host computer. Clean the dirty parts.
  • Page 48 Symptom Characters and lines are not read correctly. Is the “Line Art” mode selected? Is there any printed text on the first 3mm of the document? Are the Document bed, Document holding pad, glass, and sheet guides clean? Contact the manufacturer’s authorized service center.
  • Page 49 During rear read operation with the ADF, is the top of the ADF being pressed or is there anything heavy on Is the scanner on an even and flat surface or are any rubber feet of the scanner missing? missing Contact the manufacturer’s authorized...
  • Page 50 Symptom Images have vertical lines. Did you scan the document using the Flatbed? Are the lines white? Are the lines black? Contact the manufacturer’s authorized service center. 4-10 Contact the manufacturer’s authorized service center. Clean the ADF Glass.
  • Page 51 Symptom The Check indicator is on. Is the Shipping Lock placed in operating position? Turn off the power once and then try to turn on the power again. Is the CHECK CHECK lamp still on? Or is an Alarm displayed? Contact the manufacturer’s authorized service center.
  • Page 52 Symptom “Please clean Pick-roller” is displayed. Is the Pick roller dirty? Do documents meet specification described in the Operator’s Guide? Is the Pad assembly dirty or worn out? Contact the manufacturer’s authorized service center. 4-12 Clean the Pick roller. (See p. 2-6) Flatten the curl or use the Flatbed to read the document.
  • Page 53 NOTES NOTES • Remove paper clips and staples. Flatten the staple holes. • Read the following types of documents using the Flatbed: - Paper with clips or staples. - Paper with wet ink. - Paper of uneven thickness (for example, envelopes). - Paper with large rumples or curls.
  • Page 54 Paper double feed occurs frequently. Symptom Does the condition of the documents meet the requirements described in the Operator’s Guide? When double feed detection is ON, are all the documents of the same length? Are the documents fanned before being loaded on the ADF paper chute? Have the documents recently been printed by...
  • Page 55 Is the document stack less than 0.32” (8mm) in height? Is the Pad dirty? Is the Pad worn out? Contact the manufacturer’s authorized service center. Reduce the batch size of the documents. Clean the Pad assembly. (See p. 2-4) Replace the Pad assembly. (See p.
  • Page 56 Symptom Mispick occurs frequently. Do the conditions of the documents meet the requirements described in the Operator’s Guide? Have the documents been fanned before loading them on the ADF paper chute? Is the Pad assembly installed correctly? 4-16 Flatten the curl or use the Flatbed to read the documents.
  • Page 57 Is the Pick roller dirty? Is the Pick roller worn out? Contact the manufacturer’s authorized service center. Clean the Pick roller. (See p. 2-6) Replace the Pick roller. (See p. 3-4) 4-17...
  • Page 58 Symptom Paper jams occur frequently. Does the condition of the document meet the requirements on page 4-13? Are there any foreign particles in the ADF? Contact the manufacturer’s authorized service center. 4-18 Flatten the curl or use the Flatbed to read the document. Clean the ADF (see p.
  • Page 59 Symptom “Please clean ADF glass” is displayed. Is the ADF glass dirty? Contact the manufacturer’s authorized service center. Clean the ADF glass. (See p. 2-5) 4-19...

  • Page 60: Problem Checklist

    Interface controller model Software/application name Can you send the original and output of sheet by facsimile or by mail? 4-20 (Example) fi-4750C (Example) CA02956-2352 (Example) 00002 (Example) 2000-2 The revision is printed on the label located at the left corner of the back.
  • Page 61 This manual uses recycled paper.

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