Brother MFC-9010CN Service Manual

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Confidential
10. DOCUMENT FEEDING PROBLEMS
Problems related to document 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.
10.1 No Feeding
<User Check>
- Check if the document is inserted correctly to the depths.
- Check whether the document is 35 or less sheets.
- Check if the ADF cover is closed.
10.2 Double Feeding
<User Check>
- Check whether the document does not use the paper which is thinner than the specification.
Step Cause Check
Result
Remedy
1 Document front
actuator catching
on some position
Does the document front
actuator move smoothly?
No Re-assembly the
document front actuator
2 Document front
sensor harness
connection failure
Is the harness of the
document front sensor
connected securely
No Reconnected the
harness of the
document front sensor.
3 ADF motor harness
connection failure
Is the harness of the
ADF motor connected
securely?
No Reconnected the
harness of the ADF
motor.
4 Document front
sensor malfunction
Does the document front
sensor move smoothly?
(Check it following the
procedure described in
“Maintenance mode 32”)
No Replace the ADF
sensor PCB ASSY.
5 Paper feed roller
failure
Is the paper feed roller
rotating although the
ADF motor is rotating?
Yes Replace the paper feed
roller ASSY.
6 ADF motor failure Is the problem solved
after replacing the ADF
motor?
Yes Replace the ADF motor.
7 Main PCB failure Is the problem solved
after replacing the main
PCB?
Yes Replace the main PCB.
Step Cause Check
Result
Remedy
1 Separation roller
failure
Is the surface of the
separation roller worn
out?
Yes Replace the separation
roller shaft ASSY.
2 Separation rubber
worn out
Is the surface of the
separation rubber worn
out?
Yes Replace the separation
rubber.

Brother MFC-9010CN Specifications

General

Brand	Brother
Model	MFC-9010CN
Category	All in One Printer
Language	English