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Confidential
2-50
Error Code BF
Document scanning position sensor detects a document of which length is larger than
the specified size for duplex scanning.
User Check
- Check whether the document scanned is longer than the specified limit.
- Remove the jammed document.
Error Code DF
Modem communication failure
Error Code E0
Modem does not start normally even after resetting the modem.
Unable to Scan BF
LCD
Step
Cause
Solution
1
Document scanning position
actuator caught on the
surrounding parts
Set the document scanning position actuator
into place.
2
Document scanning position
sensor defective
Replace the document scanning position
sensor.
3
Document feed roller worn out/
ADF motor defective
Replace the ADF unit.
4
Main PCB defective
Replace the main PCB ASSY.
Unable to Print DF
LCD
Unable to Print E0
LCD
Step
Cause
Solution
1
MJ PCB harness connection
failure
Reconnect the MJ PCB harness.
2
MJ PCB defective
Replace the MJ PCB ASSY.
3
Main PCB defective
Replace the main PCB ASSY.
Summary of Contents for MFC-J6920DW
Page 123: ...3 3 Confidential 2 PACKING ...
Page 146: ...3 26 Confidential 3 Set the protective part Protective part ...
Page 308: ...5 37 Confidential pfadj2 Pattern ...
Page 315: ...5 44 Confidential Margin Check Pattern ...
Page 362: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...