Epson Stylus Color 1520 Service Manual page 43
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Also See for Stylus Color 1520:
- User manual (290 pages) ,
- Service manual (165 pages) ,
- Quick setup manual (21 pages)
Table of Contents
2.1. Overview .............................................................................................................. 2-1
2.2. Printer Mechanism Operating Principle ............................................................ 2-1
2.2.1.1. M-4I60 Printer Mechanism ................................................................................... 2-1
2.2.2. Printing Mechanism.......................................................................................................... 2-2
2.2.2.1. Printhead Structure .............................................................................................. 2-2
2.2.2.2. Printing Process................................................................................................... 2-3
2.2.2.3. Printing Methods .................................................................................................. 2-3
2.2.3. Carriage (CR) Mechanism................................................................................................. 2-5
2.2.4. Paper Feed Mechanism .................................................................................................... 2-6
2.2.4.1. ASF (Auto Sheet Feeder) Mechanism .................................................................. 2-7
2.2.4.2. Tractor Mechanism .............................................................................................. 2-8
2.2.4.3. Manual Feed Mechanism ..................................................................................... 2-8
2.2.5. Platen Gap (PG) Adjust Mechanism ................................................................................ 2-8
2.2.6. Ink System......................................................................................................................... 2-9
2.2.6.1. Pump Mechanism .............................................................................................. 2-10
2.2.7. Capping Mechanism....................................................................................................... 2-14
2.2.7.1. Wiping/CR Lock Mechanism .............................................................................. 2-15
2.3. Electrical Circuit Operation Principles............................................................ 2-16
2.3.1. C172 PSB/PSE Electrical Circuit Board......................................................................... 2-16
2.3.2. C211 MAIN Control Board .............................................................................................. 2-18
2.3.2.1. Reset Circuits..................................................................................................... 2-20
2.3.2.2. Sensor Circuits................................................................................................... 2-20
2.3.2.3. CR Motor Driver Circuits .................................................................................... 2-22
2.3.2.4. PF Motor Driver Circuit ...................................................................................... 2-23
2.3.2.5. Printhead Driver Circuit...................................................................................... 2-24
2.4. Ink System Management .................................................................................. 2-27
2.4.1. Ink System Operations ................................................................................................... 2-27
2.4.2. Counters.......................................................................................................................... 2-28
Chapter 2
Operating Principles
Chapters
Table of Contents
