Brother MFC-J2320 Service Manual

Confidential
2-81
4.7 Document Feeding Problems
4.7.1 Document can not be fed
User Check
- Check that document is loaded all the way to the end correctly in the document tray.
- Check that the number of documents loaded in the document tray is within specified
volume.
4.7.2 Document double feeding
User Check
- Check whether a document thinner than the specified one is used.
Step Cause Solution
1
Foreign materials in adjacent
area of the document pick-up
roller
Remove foreign materials.
2 Document pick-up roller stained Clean the document pick-up roller.
3
Document detection actuator
not mounted in place
Set the document detection actuator into place.
4
ADF motor harness connection
failure
Reconnect the ADF motor harness.
5
Document detection sensor
harness connection failure
Reconnect the document detection sensor
harness.
6
Document nip piece not
mounted in place
Set the document nip piece into place.
7
Document pick-up roller worn
out
Replace the document separate roller ASSY.
8
Document detection sensor
defective
Replace the document detection sensor PCB
ASSY.
9
ADF motor defective
Document feed gear,
document separation roller
gear broken
Replace the ADF unit.
10 Sensor relay PCB defective Replace the sensor relay PCB.
11 Main PCB defective Replace the main PCB ASSY.
Step Cause Solution
1 ADF separation pad worn out Replace the ADF separation pad.

Brother MFC-J2320 Specifications

General

Brand	Brother
Model	MFC-J2320
Category	All in One Printer
Language	English