Confidential
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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 Replace the ADF motor.
10
Document feed gear, document
separation roller gear broken
Replace the ADF unit.
11 Sensor relay PCB defective Replace the sensor relay PCB.
12 Main PCB defective Replace the main PCB ASSY.
Step Cause Solution
1 ADF separation pad worn out Replace the ADF separation pad.
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