Table Of Contents - Epson Stylus Color C70 Service Manual

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 ........................................................................................ 15
1.3.2 Parallel Interface (Reserve Channel) ......................................................... 17
1.3.3 USB Interface ............................................................................................ 18
1.3.4 Prevention Hosts of Data Transfer Time-out ............................................. 19
1.3.5 Interface Selection ..................................................................................... 19
1.3.6 IEEE1284.4 Protocol ................................................................................. 19
1.3.7 Printer Language and Emulation ............................................................... 20
1.3.7.1 Control codes ..................................................................................... 20
1.3.7.2 EPSON D4 control channel commands ............................................ 21
1.4 OPERATOR CONTROLS .............................................................................. 24
1.4.1 Operate Switch ........................................................................................... 24
1.4.2 Control Panel ............................................................................................. 24
1.4.2.1 Switches ............................................................................................. 24
1.4.2.2 Indicators ........................................................................................... 24
1.4.3 Panel Functions .......................................................................................... 25
1.4.4 Printer Condition and Panel Status ............................................................ 26
1.4.5 Printer setting mode (Stylus COLOR C80 only) ....................................... 27
CONTENTS
1.4.5.1 Default setting mode ......................................................................... 27
1.4.5.2 Print head alignment mode ................................................................ 28
1.4.6 Printer Initialization ................................................................................... 28
1.4.7 Errors ......................................................................................................... 29
1.5 PAPER ............................................................................................................... 30
1.5.1 Paper Handling .......................................................................................... 30
1.5.2 Paper Specification .................................................................................... 30
1.5.2.1 Cut Sheet ........................................................................................... 30
1.5.2.2 Envelope ............................................................................................ 30
1.5.2.3 Index Card ......................................................................................... 30
1.5.2.4 EPSON special media ....................................................................... 31
1.5.3 Printing Area .............................................................................................. 32
1.5.3.1 Cut Sheet ........................................................................................... 32
1.5.3.2 Envelopes .......................................................................................... 33
1.6 INK CARTRIDGE ........................................................................................... 34
1.6.1 Black Ink Cartridge ................................................................................... 34
1.6.2 Color Ink Cartridge .................................................................................... 34
Chapter 2 Operating Principles
2.1 Overview ............................................................................................................ 36
2.1.1 Printer Mechanism ..................................................................................... 36
2.1.2 Printhead .................................................................................................... 37
2.1.2.1 Printing Process ................................................................................. 37
2.1.2.2 Printing Method ................................................................................. 38
2.1.3 Carriage Mechanism .................................................................................. 39
2.1.4 Paper Feeding Mechanism ......................................................................... 40
2.1.5 Paper Loading Mechanism (ASF Unit) ..................................................... 41
2.1.6 Ink System Mechanism ............................................................................. 49
2.1.6.1 Pump Unit & Wiper mechanism ....................................................... 49
2.1.6.2 Capping Mechanism .......................................................................... 50
2.2 Electrical Circuit Operating Principles .......................................................... 51