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 and
"ADF READY" appears on the LCD.
- 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
separation roller
Remove foreign materials.
2 Document separation roller
stained
Clean the document separation roller.
3 Document detection actuator
not mounted in place
Set the document detection actuator into place.
4 Document width actuator not
mounted in place
Set the document width actuator into place.
5 ADF motor harness connection
failure
Reconnect the ADF motor harness.
6 Document detection sensor
harness connection failure
Reconnect the document detection sensor
harness.
7 Document width sensor
harness connection failure
Reconnect the document width sensor harness.
8 Document pick-up roller worn
out
Replace the document separation roller ASSY.
9 Document detection sensor
defective
Replace the document detection sensor PCB
ASSY.
10 Document width sensor
defective
Replace the document width sensor PCB
ASSY.
11 ADF motor defective or
document feed gear and/or
document separate roller gear
broken
Replace the ADF unit.
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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Weight and Dimensions
