Chapter 3
Disassembly and Assembly
3.1 Overview_____________________________________________________________________ 3-1
Precautions for Disassembling the Printer _______________________________________________________3-1
Tools_____________________________________________________________________________________3-2
3.2 Disassembly and Assembly ______________________________________________________ 3-3
Upper Housing Removal _____________________________________________________________________3-4
ROM Replacement _________________________________________________________________________3-6
CR PW (Paper Width) Sensor Board Removal ____________________________________________________3-6
Printhead Removal _________________________________________________________________________3-7
HP Sensor Removal _________________________________________________________________________3-9
Printer Mechanism Removal_________________________________________________________________3-10
PSB/PSE Board Removal ___________________________________________________________________3-11
C203 Main Board Removal__________________________________________________________________3-12
Main Waste Ink Drain Pad Removal___________________________________________________________3-14
PL (Paper Length) Sensor Removal ___________________________________________________________3-15
Printer Mechanism Disassembly______________________________________________________________3-16
CR Motor Removal ______________________________________________________________________3-16
Pump Motor Removal ____________________________________________________________________3-17
PF Motor Removal_______________________________________________________________________3-18
Front/Rear PE Sensor Removal_____________________________________________________________3-19
Release Sensor Removal __________________________________________________________________3-20
Paper Eject Frame Removal _______________________________________________________________3-21
Pump Removal__________________________________________________________________________3-22
Edge Guide Removal_____________________________________________________________________3-23
PQ (Paper Quantity) Sensor Board Removal __________________________________________________3-25
ASF PW (Paper Width) Sensor Removal _____________________________________________________3-26
Ink Cartridge Holder Removal _____________________________________________________________3-27
Ink Low Sensor Removal__________________________________________________________________3-29
Ink Cartridge Sensor Removal _____________________________________________________________3-29
CR Unit Removal________________________________________________________________________3-30
Paper Feed Shaft Removal_________________________________________________________________3-32
PF Roller Removal_______________________________________________________________________3-35
Rear Paper Guide Removal ________________________________________________________________3-36
Middle Frame Removal ___________________________________________________________________3-37
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