Canon DADF-J1 Service Manual page 8

INTRODUCTION
4.3.5 Pre-Registration Roller
Paper Sensor ........................ 4-6
4.3.6 Post-Registration Roller
Paper Sensor ........................ 4-7
4.3.7 Reversal Paper Sensor ............. 4-7
4.3.8 Manual Feed Registration
Roller Paper Sensor ............. 4-9
4.3.9 Pickup Roller ........................... 4-9
4.3.10 Separation Belt/Feeding
Roller ................................. 4-10
4.3.11 Pull-Off Roller ..................... 4-11
CHAPTER 5 TROUBLESHOOTING
1 Standards and Adjustments ................. 5-1
1.1 Basic Adjustments ........................ 5-1
1.1.1 ADF Height Adjustment .......... 5-1
1.1.2 ADF Right Angle
Adjustment ........................... 5-2
1.1.3 Correcting the Skew ................ 5-4
1.1.4 Horizontal Registration
Adjustment ........................ 5-15
1.1.5 Original Stop Position
Adjustment ........................ 5-20
1.2 Making Adjustments When
Replacing the Major Parts ........ 5-26
1.2.1 Outline ................................... 5-26
1.2.2 Replacing the EEPROM ....... 5-26
1.2.3 Adjusting the Sensors
and the Delivery Motor ...... 5-27
1.3 Auxiliary Adjustment .................. 5-31
1.3.1 Adjusting the Degree of Arching
at the Registration Roller
(pickup from the tray)/
(at time of reversal) /
(manual feed mode) ........... 5-31
1.3.2 Adjusting the Speed of
the Feeding Belt ................. 5-34
1.3.3 Adjusting the Speed of
Reversal ............................. 5-36
1.3.4 Checking the Sensor
Output ................................ 5-39
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4.3.12 Registration Roller ............... 4-11
4.3.13 Reversing Roller A,
Support Member ................ 4-12
4.3.14 Reversing Roller B,
Support Member ................ 4-12
4.3.15 Manual Feed Roller,
Support Member ................ 4-13
4.3.16 Delivery Roller, Support
Member .............................. 4-13
4.3.17 Manual Feed Registration
Roller, Support Member .... 4-13
1.4 Indications .................................. 5-41
1.4.1 Jam Counter .......................... 5-41
1.4.2 Tray Pickup Counter and Manual
Feed Pickup Counter ......... 5-42
1.4.3 Jam History ........................... 5-43
1.4.4 Version of the Software ......... 5-44
1.5 Cleaning ...................................... 5-45
1.5.1 Cleaning the Separation
Assembly ........................... 5-45
1.5.2 Cleaning the Registration
Roller ................................. 5-47
1.6 Others .......................................... 5-50
1.6.1 Checking the Original Width De-
tecting Switch (SW301) .... 5-50
1.6.2 Initializing the Backup
RAM .................................. 5-51
2 Troubleshooting ................................. 5-53
2.1 Troubleshooting Malfunctions .... 5-53
2.1.1 E402 ...................................... 5-53
2.1.2 E404 ...................................... 5-55
2.1.3 E405 ...................................... 5-56
2.1.4 E410 ...................................... 5-57
2.1.5 E422 ...................................... 5-59
3 Arrangement of Electrical
Components ...................................... 5-60
3.1 Sensors ........................................ 5-60
3.2 Motors, Clutches,
and Solenoids ........................... 5-61
3.3 PCBs ........................................... 5-62
CANON DADF-J1 REV.0 MAR. 2001