Table Of Contents - Epson Stylus COLOR 900 Service Manual

EPSON Stylus COLOR 900/900N
Chapter 1 - Product Description
Features ................................................................. 4
Specifications ......................................................... 5
Printing Specifications .................................................... 5
Options and Consumable Products................................ 8
Paper Specifications....................................................... 9
Printable Area............................................................... 11
Ink Cartridge Specifications.......................................... 13
Electrical Specifications................................................ 15
Environmental Conditions ............................................ 15
Reliability ...................................................................... 16
Safety Approvals .......................................................... 16
Acoustic Noise.............................................................. 16
CE Marking (220 ~ 240 V version) ............................... 16
Physical Specifications................................................. 16
Interface Specificatons ......................................... 17
Parallel Interface (Forward Channel) ........................... 17
Parallel Interface (Reverse Channel) ........................... 20
Mac Serial Interface ..................................................... 22
USB Interface ............................................................... 23
Printer Languages and Emulation ................................ 23
Prevention of Data Transfer Time-out .......................... 23
Automatic Interface Selection....................................... 23
Control Panel Operation....................................... 25
Indicators (LEDs).......................................................... 25
Panel Functions............................................................ 26
Printer Condition and Panel Status .............................. 29
Error Status .......................................................... 30
Ink Out.......................................................................... 30
Paper Out ..................................................................... 30

Table of Contents

Paper Jam .................................................................... 30
No Ink Cartridge ........................................................... 30
Maintenance Request................................................... 30
Fatal Errors................................................................... 30
Printer Initialization ............................................... 31
Chapter 2 - Operating Principles
Overview .............................................................. 33
Printer Mechanism Operating Principles .............. 34
Carriage Mechanism .................................................... 34
Printhead Operation ..................................................... 35
Pump/ASF Motor and Switching Mechanism ............... 38
Auto Sheet Feeder (ASF) Unit...................................... 39
Pump Mechanism......................................................... 40
Paper Feed Mechanism ............................................... 41
Electrical Circuit Operation Principles .................. 42
C265 PSB/PSE Power Supply Board........................... 42
C265 PNL Board .......................................................... 44
C265 Relay Board ........................................................ 44
C265 Main Board.......................................................... 45
CR Motor Driver Circuit ................................................ 54
PF Motor Driver Circuit ................................................. 55
Pump/ASF Motor Driver Circuit .................................... 56
Printhead Driver Circuit ................................................ 57
Cooling Fan Driver Circuit ............................................ 59
ASF Solenoid Driver Circuit.......................................... 62
EEPROM Control Driver Circuit.................................... 63
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