PRODUCT DESCRIPTION
FEATURES .................................................................................................... 9
SPECIFICATIONS........................................................................................ 10
Physical Specification.............................................................................. 10
Printing Specification............................................................................... 10
Paper Feeding......................................................................................... 11
Paper Specification ................................................................................. 11
Plain Paper 11
Envelope 12
Exclusive paper 12
Printing Area............................................................................................ 14
Cut Sheet 14
Envelopes 15
Ink Cartridge Specification ...................................................................... 15
Black Ink Cartridge 15
Color Ink Cartridge 16
Electric Specification ............................................................................... 16
Environmental Condition ......................................................................... 17
Reliability................................................................................................. 17
Safety Approvals ..................................................................................... 17
Acoustic Noise......................................................................................... 17
CE Marking.............................................................................................. 17
INTERFACE ................................................................................................. 18
Parallel Interface (Forward Channel) ...................................................... 18
Parallel Interface (Reserve Channel) ...................................................... 21
USB Interface.......................................................................................... 22
Prevention Hosts of Data Transfer Time-out........................................... 23
Interface Selection................................................................................... 23
IEEE1284.4 Protocol............................................................................... 23
PANEL CONTROL ....................................................................................... 24
Indicators (LEDs)..................................................................................... 24
Panel Functions....................................................................................... 25
Printer Condition and Panel Status ......................................................... 25
Error Status ............................................................................................. 26
Printer Initialization.................................................................................. 26
Operating Principles
Overview ...................................................................................................... 28
Printer Mechanism .................................................................................. 28
Printhead................................................................................................. 29
Printing Process 30
Printing Method 30
Carriage Mechanism ............................................................................... 31
Paper Loading/Feeding Mechanism ....................................................... 32
Paper Loading Mechanism (ASF unit) 33
Paper Feeding Mechanism 36
Ink System Mechanism ........................................................................... 37
Capping Mechanism 37
Pump unit mechanism 39
Ink Sequence .......................................................................................... 40
Electrical Circuit Operating Principles .......................................................... 42
C417 PSB/PSE board ............................................................................. 42
C418 MAIN/MAIN-B Board ..................................................................... 45
Main Elements 46
Printhead Driver Circuit 47
PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit 48
CR Motor Driver Circuit 48
Reset Circuit 49
EEPROM Control Circuit 49
Sensor Circuit 50
Troubleshooting
Overview ...................................................................................................... 52
Troubleshooting with LED Error Indications
and Status Monitor 3 Message............................................................. 53
Unit Level Troubleshooting........................................................................... 58
Disassembly and Assembly
Overview ...................................................................................................... 80
Precautions ............................................................................................. 80
Tools ....................................................................................................... 82
Screws.................................................................................................................. 82
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