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CONTENTS
CHAPTER 1 MAINTENANCE AND INSPECTION
CHAPTER 2 STANDARDS AND ADJUSTMENTS
CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF
ELECTRICAL PARTS
A. Periodically Replaced Parts .........1-1
B. Durables and Consumables.........1-1
C. Scheduled Servicing ....................1-1
D. Storing and Handling
the Cratridge ................................1-2
D-1.Storing the Cartridge with
the Packaging Seal Intact ............1-2
D-2.Storing and Handling the Cartridge
with the Packaging Seal
Removed ......................................1-3
E. Image Adjustment Basic
Procedure.....................................1-7
F. Points to Note for Servicing .........1-8
A. Mechanical ...................................2-1
B. ADF ........................................... 2-26
A. Sensors and Solenoids ................3-1
B. Switches.......................................3-2
C. Lamp, Heater, Motor, Etc. ............3-3
D. PCBs ............................................3-4
1
2
3
4
C. Electrical ................................... 2-37
E. ADF ..............................................3-5
F. Variable Resistors (VR) and
Check Pins by PCB......................3-6
CHAPTER 4 SELF DIAGNOSIS
A. Self Diagnosis ..............................4-1
APPENDIX
A. General Timing Chart.................. A-1
B. Signals and Abbreviations .......... A-3
C. General Circuit Diagram ............. A-5
D. Special Tools ............................... A-7
E. Solvents/Oils ............................... A-8
F. Specifications .............................. A-9
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