Table Of Contents - Epson Stylus COLOR 880 Service Manual

EPSON Stylus COLOR 880
Chapter 1 PRODUCT DESCRIPTION
1.1 FEATURES ....................................................................................... 10
1.2 SPECIFICATIONS ............................................................................ 11
1.2.1 Physical Specification ................................................................ 11
1.2.2 Printing Specification ................................................................. 11
1.2.3 Paper Feeding ........................................................................... 13
1.2.4 Input Data Buffer ....................................................................... 13
1.2.5 Electric Specification ................................................................. 13
1.2.6 Environmental Condition ........................................................... 14
1.2.7 Reliability ................................................................................... 14
1.2.8 Safety Approvals ....................................................................... 14
1.2.9 Acoustic Noise ........................................................................... 14
1.2.10 CE Marking .............................................................................. 14
1.3 INTERFACE ...................................................................................... 15
1.3.1 Parallel Interface (Forward Channel) ........................................ 15
1.3.2 Parallel Interface (Reserve Channel) ........................................ 18
1.3.3 USB Interface ............................................................................ 19
1.3.4 Prevention of Data Transfer Time-out ....................................... 20
1.3.5 Interface Selection ..................................................................... 20
1.3.6 IEEE1284.4 Protocol ................................................................. 20
1.4 OPERATOR CONTROLS ................................................................. 21
1.4.1 Operating Switch ....................................................................... 21
1.4.2 Control Panel ............................................................................. 21
1.4.2.1 Switches ............................................................................. 21
1.4.2.2 Indicators ............................................................................ 21
1.4.3 Panel Functions ......................................................................... 22
1.4.4 Printer Condition and Panel Status ........................................... 23
1.4.5 Printer Initialization .................................................................... 23
1.4.6 Errors ......................................................................................... 24
1.5 PAPER .............................................................................................. 25
1.5.1 Paper Handling .......................................................................... 25
1.5.2 Paper Specification ................................................................... 25
1.5.2.1 Cut Sheet ........................................................................... 25
Contents
1.5.2.2 Transparency, Glossy Paper .............................................. 25
1.5.2.3 Envelope ............................................................................ 25
1.5.2.4 Index Card .......................................................................... 26
1.5.3 Printing Area ............................................................................. 27
1.5.3.1 Cut Sheet ........................................................................... 27
1.5.3.2 Envelopes ........................................................................... 28
1.6 INK CARTRIDGE .............................................................................. 28
1.6.1 Black Ink Cartridge .................................................................... 28
1.6.2 Color Ink Cartridge .................................................................... 29
Chapter 2 Operating Principles
2.1 Overview .......................................................................................... 31
2.1.1 Printer Mechanism .................................................................... 31
2.1.1.1 Printing Mechanism ............................................................ 32
2.1.1.2 Printing Process ................................................................. 33
2.1.1.3 Carriage Mechanism .......................................................... 34
2.1.1.4 Platen Gap (PG) Adjust Mechanism .................................. 35
2.1.1.5 Paper Feeding Mechanism ................................................ 35
2.1.1.6 CR Lock Mechanism .......................................................... 37
2.1.1.7 Paper Loading Mechanism ................................................. 38
2.1.1.8 Pump Mechanism ............................................................... 40
2.1.1.9 Capping Mechanism ........................................................... 41
2.2 Electrical Circuit Operating Principles .......................................... 42
2.2.1 C378PSB/PSE Board ................................................................ 43
2.2.2 C378MAIN Board ...................................................................... 45
2.2.2.1 Printhead Driver Circuit ...................................................... 47
2.2.2.2 Reset Circuit ....................................................................... 48
2.2.2.3 CR Motor Driver Circuit ...................................................... 49
2.2.2.4 PF Motor Driver Circuit ....................................................... 51
2.2.2.5 ASF/Pump Motor Driver Circuit .......................................... 52
2.2.2.6 EEPROM Control Circuit .................................................... 52
2.2.2.7 Sensor Circuit ..................................................................... 53
Revision A
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