Canon DADF-G1 Service Manual page 8

CHAPTER 4 MAINTENANCE AND INSPECTION
1 Periodically Replaced Parts .......... 4-1
2 Consumables and Durables .......... 4-1
CHAPTER 5 TROUBLESHOOTING
1 Standards and Adjustments .......... 5-1
1.1 Mechanical ............................ 5-1
1.1.1 Adjusting the Height of
the Machine ................... 5-1
1.1.2 Adjusting the Original
Stop Position ................. 5-1
1.1.3 Adjusting the DADF
Open/Close Switch
(MS1) ............................ 5-9
1.1.4 Adjusting the Separation
Belt Pressure ................ 5-10
1.2 Electrical ............................. 5-15
1.2.1 After Replacing Major
Parts ............................. 5-15
1.2.2 Adjusting the Level of
the Original Tray Paper
Sensor (S1)/Registration
Sensor (S3) .................. 5-15
1.2.3 Adjusting the Original
Width Detecting Volume
(VR1) ........................... 5-17
1.2.4 Pickup Operation Initial
Settings ........................ 5-19
APPENDIX
1 General Timing Chart .................. A-1
1.1 Top Pickup Mode, A4, 2
Originals (single-sided original
to single-sided copy) ............ A-1
2 List of Signals/Abbreviations ...... A-2
3 General Circuit Diagram ............. A-3
4 DADF Controller Circuit
Diagram ....................................... A-4
COPYRIGHT© 2000 CANON INC. CANON DADF-G1 REV.0 OCT. 2000
3 Scheduled Servicing ..................... 4-2
2 Troubleshooting .......................... 5-20
2.1 Troubleshooting
Procedure ............................ 5-20
2.1.1 E400/E712 Indicator ... 5-20
2.1.2 E401 Indicator ............. 5-20
2.1.3 E402 Indicator ............. 5-21
2.1.4 E403 Indicator ............. 5-21
2.1.5 E411 Indicator ............. 5-22
2.1.6 E712 Indicator ............. 5-23
3 Arrangement of Electrical Parts . 5-24
3.1 Motors, Solenoids, and
Sensors ................................ 5-24
3.2 PCBs ................................... 5-26
4 Variable Resistors (VR),
Light-Emitting Diodes, and
Check Pins by PCB .................... 5-27
4.1 DADF Controller PCB ....... 5-27
4.2 Indicator PCB ...................... 5-29
4.3 Functions of the DIP
Switch ................................. 5-30
5 Self Diagnosis ............................ 5-32
5.1 DADF Self Diagnosis ......... 5-32
4.1 DADF Controller Circuit
Diagram (1/6) ....................... A-4
4.2 DADF Controller Circuit
Diagram (2/6) ....................... A-5
4.3 DADF Controller Circuit
Diagram (3/6) ....................... A-6
4.4 DADF Controller Circuit
Diagram (4/6) ....................... A-7
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