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11. DOCUMENT FEEDING PROBLEMS
Problems related to paper feeding are end user recoverable if following the User Check
items. If the same problem occurs again, follow each procedure in the order of the number
described in the Step column in the tables below.
11.1 No Feeding
<User Check>
- Check if the document is inserted correctly to the depths.
- Check whether the document is 50 or less sheets.
- Check if the ADF cover is closed.
Step Cause Check
Result
Remedy
1
Document front
actuator 1
catching on some
position
Does the document front
actuator 1 move
smoothly?
No
Re-assembly the
document front actuator
1.
2
Document front
sensor 1 harness
connection failure
Is the harness of the
document front sensor 1
connected securely?
No
Reconnected the harness
of the document front
sensor 1.
3
ADF motor
harness
connection failure
Is the harness of the ADF
motor connected
securely?
No
Reconnected the harness
of the ADF motor.
4
PF solenoid failure Does the PF solenoid
move smoothly? Is it
damaged?
No
Replace the PF solenoid.
5
Document front
sensor 1
malfunction
Does the document front
sensor 1 move smoothly?
(Check it following the
procedure described in
“Maintenance mode 32”)
No
Replace the document
front sensor 1.
6
Feed roller holder
ASSY failure
Though the ADF motor
rotates, does the supply
roller rotate?
Yes
Replace the feed roller
holder ASSY.
7
ADF relay PCB
failure
Is the problem solved
after replacing the ADF
relay PCB?
Yes
Replace the ADF relay
PCB.
8
Driver PCB failure Is the problem solved
after replacing the driver
PCB?
Yes
Replace the driver PCB.
9
ADF motor failure Is the problem solved
after replacing the ADF
motor?
Yes
Replace the ADF motor.
10
Main PCB failure Is the problem solved
after replacing the main
PCB?
Yes
Replace the main PCB.