Specifications

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
CHAPTER 5 TROUBLESHOOTING
5-26
1.2 Making Adjustments
When Replacing the Ma-
jor Parts
1.2.1 Outline
Major parts
• ADF controller PCB
• EEPROM (memory back-up)
• Reversal sensor (S1)
• Pre-registration roller paper sensor (S2)
• Post-registration roller paper sensor (S3)
• Separation paper sensor (S4)
• Skew paper sensor (S5)
• Original sensor (S6)
• Original trailing edge sensor (S7)
• Pre-last original paper sensor (S8)
• Manual feed registration roller paper sensor (S9)
• Delivery motor (M5)
Work
1) Replacement of the EEPROM
2) Adjust the sensors and the de-
livery motor.
Ref.
p. 5-26
p. 5-27
T05-102-01
1.2.2 Replacing the EEPROM
Perform the following when replacing the
ADF controller PCB.
1) Remove the EEPROM (IC2) from the
faulty ADF controller PCB.
F05-102-01
2) Mount the EEPROM removed in step 1)
to the new ADF controller PCB.
Memo
The EEPROM on the new ADF
controller PCB will not be used.
J1
J2
J5
J3
J6 J7 J8 J9 J10 J11
J14
J13
J12
J4
FU2
FU1
SW1
LED2
IC1
SW4SW3SW2
IC2