Epson 2000P - Stylus Photo Color Inkjet Printer, Service Manual

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Stylus PHOTO 2000P Revision A
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Contents
Chapter 1 Product Descriptions
1.1 General Characteristics .................................................................. 10
1.2 Printing specification ...................................................................... 11
1.2.1 Printing specification ................................................................. 11
1.2.2 Paper feeding ............................................................................ 11
1.2.3 Input data buffer ........................................................................ 12
1.2.4 Electric specification .................................................................. 12
1.2.5 Environmental condition ............................................................ 13
1.2.6 Reliability ................................................................................... 14
1.2.7 Safety Approvals ....................................................................... 14
1.2.8 Acoustic noise ........................................................................... 14
1.2.9 CE Marking ................................................................................ 14
1.3 Interface ............................................................................................ 15
1.3.1 Hardware interface .................................................................... 15
1.3.1.1 Parallel interface ................................................................. 15
1.3.1.2 Parallel Interface (Reverse Channel) ................................. 18
1.3.1.3 USB interface ..................................................................... 19
1.3.1.4 Prevention Hosts from Data Transfer Time-out .................. 20
1.3.1.5 Interface Selection .............................................................. 20
1.3.1.6 IEEE1284.4 protocol .......................................................... 20
1.4 Operator Controls ............................................................................ 21
1.4.1 Buttons ...................................................................................... 21
1.4.2 LED Indicators ........................................................................... 21
1.4.3 Panel Functions ......................................................................... 22
1.4.4 Special Setting Mode ................................................................ 22
1.4.5 Printer Condition and Panel Status ........................................... 23
1.4.6 Errors ......................................................................................... 23
1.4.7 Printer Initialization .................................................................... 24
1.5 Paper ................................................................................................. 25
1.5.1 Paper handling .......................................................................... 25
1.5.2 Paper specification .................................................................... 25
1.5.2.1 Cut Sheet ........................................................................... 25
1.5.2.2 Envelope ............................................................................ 25
1.5.2.3 EPSON special media ........................................................ 25
1.6 Printing area .................................................................................... 27
1.6.1 Cut Sheet .................................................................................. 27
1.6.1.1 Envelopes ........................................................................... 28
1.7 Ink cartridge ..................................................................................... 29
1.7.1 Black ink cartridge ..................................................................... 29
1.7.2 Color ink cartridge ..................................................................... 29
1.8 Physical specification ..................................................................... 30
Chapter 2 OPERATING PRINCIPLES
2.1 Overview .......................................................................................... 32
2.1.1 Printer Mechanism .................................................................... 32
2.1.2 Ink ............................................................................................. 33
2.1.2.1 Comparison between Pigment Ink and Dye Ink ................. 33
2.1.2.2 Drop of Pigment Ink and Dye Ink ....................................... 33
2.1.3 Printhead Mechanism ............................................................... 34
2.1.4 Carriage Mechanism ................................................................. 35
2.1.4.1 Carriage Motor (CR Motor) ................................................. 35
2.1.4.2 Platen Gap (PG) /Parallelism Adjustment Mechanism ....... 36
2.1.4.3 Carriage Home Position (HP) Detection ............................. 36
2.1.5 Paper Feeding Mechanism ....................................................... 36
2.1.5.1 CR Lock Mechanism .......................................................... 38
2.1.6 Paper Loading Mechanism ....................................................... 39
2.1.6.1 Drive Transmission to the ASF Unit ................................... 39
2.1.6.2 Paper Loading Operation ................................................... 40
2.1.6.3 Pump Mechanism ............................................................... 41
2.1.6.4 Capping Mechanism ........................................................... 42
2.2 Electrical Circuit Operating Principles .......................................... 43
2.2.1 C298PSB/PSE Board ................................................................ 43
2.2.1.1 Electrical Circuit .................................................................. 43
2.2.1.2 Protection Circuits .............................................................. 45
2.2.1.3 Power Supply Control Function .......................................... 45