Document Becomes Jammed; Document Becomes Wrinkled - Brother ADS-3000N Service Manual

4.3.3 Document becomes jammed

<User Check>
- Check that the paper used for the document is within the standard. If it is not within the
standard, use a carrier sheet (Models with carrier sheet only).
- Check that the document is not wrinkled. If wrinkled, use a carrier sheet (Models with
carrier sheet only).
- Check that the document is not torn. If torn, use a carrier sheet (Models with carrier
sheet only).
- Check that the document is not damp. If it is damp, dry it or use a carrier sheet (Models
with carrier sheet only).
- Check that the number of documents set is within the standard.
- Check that the front cover is closed correctly.
Step
Foreign object inside the front cover Remove the foreign object inside the front
1
Document scanning position
2
actuator coming off
3 Document pinch roller coming off
Connection failure of the document
4 scanning position sensor PCB
harness
5 Front cover sensor failure
Document scanning position
6
sensor failure
7 Main PCB failure

4.3.4 Document becomes wrinkled

<User Check>
- Check that the document guide is adjusted to suit the document size.
- Check that the document is not curled.
- Replace the reverse roller and pick up roller.
Cause
cover.
Reattach the document scanning position
actuator.
Reattach the document pinch roller.
Reconnect the document scanning position
sensor PCB harness.
Replace the front cover sensor.
Replace the document scanning position
sensor PCB ASSY.
Replace the main PCB ASSY.
2-22
Remedy
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