COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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GENERAL TIMING CHART ........ A-1
SIGNALS AND
ABBREVIATIONS ....................... A-3
C. GENERAL CIRCUIT DIAGRAM . A-5
D.
DC CONTROLLER CIRCUIT
DIAGRAM ................................... A-7
ADF CONTROLLER CIRCUIT
DIAGRAM ................................. A-15
COMPOSITE POWER SUPPLY
CIRCUIT DIAGRAM .................. A-19
DIAGRAM ................................. A-29
DIAGRAM ................................. A-31
SENSOR CIRCUIT
DIAGRAM ................................. A-32
NOISE FILTER CIRCUIT
DIAGRAM ................................. A-33
HIGH VOLTAGE CONTACT CIRCUIT
DIAGRAM ................................. A-34
BLANK EXPOSURE (front) CIRCUIT
DIAGRAM ................................. A-35
M. BLANK EXPOSURE (rear) CIRCUIT
DIAGRAM ................................. A-36
DIAGRAM ................................. A-37
O. SPECIAL TOOLS ...................... A-38
P.
SOLVENTS/OILS ...................... A-39
MAINTENANCE AND
INSPECTION ............................ 11-3
A.
Image Adjustment Basic
Procedure ........................... 11-3
Points to Note for
Servicing ............................ 11-4
STANDARDS AND
ADJUSTMENTS ....................... 11-5
A.
Mechanical ......................... 11-5
ADF .................................. 11-30
C. Electrical ........................... 11-41
FAULTS ................................... 11-52
A.
Making Initial Checks ....... 11-52
Sample Image Faults ....... 11-56
Faults ................................ 11-57
MALFUNCTIONS .................... 11-65
A.
Troubleshooting
Malfunctions ..................... 11-65
TROUBLESHOOTING FEEDING
PROBLEMS ............................ 11-77
A.
Copy Paper Jam ............... 11-77
Faulty Feeding .................. 11-80
OF ELECTRICAL PARTS ....... 11-81
A.
Sensors and Solenoids .... 11-81
Switches ........................... 11-82
C. Lamp, Heater, Motor, Etc. 11-83
D.
PCBs ................................ 11-84
ADF .................................. 11-85
Variable Resistors (VR) and
Check Pins by PCB .......... 11-86
VII. SERVICE MODE ..................... 11-88
Outline .............................. 11-88
Using Service Mode ......... 11-88
C. Adjustment Mode (30) ...... 11-91
D.
Operation/Inspection
Mode (40) ......................... 11-92
Machine Settings
Mode (50) ......................... 11-93
Summary of Contents for NP6412
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