Brother MFC-9340CDW - Document Size Cannot be Correctly Detected; Wrinkles

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Confidential
4.11.4 Wrinkles
<User Check>
- Check whether the document guide matches the document size.
- Check whether the document does not curl.
4.11.5 Document size cannot be correctly detected
<User Check>
- Check whether the document size is out of the specifications.
Step Cause Remedy
1 Document separate roller
worn out
Replace the document separate roller ASSY.
2 Document feed roller worn
out
Replace the document feed roller ASSY2.
Step Cause Remedy
1 Document scanning position
actuator catching on some
position
Re-assemble the document scanning
position actuator.
2 ADF motor failure Replace the ADF motor ASSY.
3 Main PCB failure Replace the main PCB ASSY.