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CONTENTS
PRODUCT DESCRIPTION
FEATURES .................................................................................................... 7
SPECIFICATIONS.......................................................................................... 8
Physical Specification................................................................................ 8
Printing Specification................................................................................. 8
Paper Feeding........................................................................................... 9
Paper Specification ................................................................................... 9
Printing Area............................................................................................ 12
Ink Cartridge Specification ...................................................................... 13
Electric Specification ............................................................................... 14
Environmental Condition ......................................................................... 15
Reliability ................................................................................................. 16
Safety Approvals ..................................................................................... 16
Acoustic Noise......................................................................................... 16
CE Marking.............................................................................................. 16
INTERFACE ................................................................................................. 17
Parallel Interface (Forward Channel) ...................................................... 17
Parallel Interface (Reserve Channel) ...................................................... 20
USB Interface.......................................................................................... 22
Prevention Hosts of Data Transfer Time-out........................................... 22
Interface Selection................................................................................... 22
IEEE1284.4 Protocol............................................................................... 22
PANEL CONTROL ....................................................................................... 24
Indicators (LEDs)..................................................................................... 24
Panel Functions....................................................................................... 24
Printer Condition and Panel Status ......................................................... 25
Error Status ............................................................................................. 25
Printer Initialization.................................................................................. 26
Operating Principles
Overview ...................................................................................................... 28
Printer Mechanism .................................................................................. 28
Printhead................................................................................................. 29
Carriage Mechanism ............................................................................... 31
Paper Loading/Feeding Mechanism ....................................................... 32
Ink System Mechanism ........................................................................... 37
Ink Sequence .......................................................................................... 40
Electrical Circuit Operating Principles .......................................................... 42
P/S board ................................................................................................ 43
C417/C418 Main/Main-B Board .............................................................. 47
C483/C484 MAIN-B Board...................................................................... 53
Troubleshooting
Overview ...................................................................................................... 60
Troubleshooting with LED Error Indications
and Status Monitor 3 Message............................................................. 61
Unit Level Troubleshooting........................................................................... 66
Disassembly and Assembly
Overview ...................................................................................................... 88
Precautions ............................................................................................. 88
Tools ....................................................................................................... 89
Screws.................................................................................................................. 89
Work Completion Check ......................................................................... 90
Difference on Printer Machanism between
SP810/820 and SP820/830.................................................................. 91
Caution in reassembling to ink leakage problem .................................... 92
Disassembly ................................................................................................. 93