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Confidential
2-52
Error Code EC
LCD disconnection detected.
Error Code ED
Touch panel initialization failed.
User Check
- Check foreign materials between touch panel and touch panel frame, and remove if
any.
Error Code F0
Flash file system error
Unable to Print EC
LCD
Step
Cause
Solution
1
LCD flat cable connection
failure
Reconnect the LCD flat cable.
2
LCD PCB harness connection
failure
Reconnect the LCD PCB harness.
3
LCD PCB ASSY defective
Replace the LCD PCB ASSY.
4
LCD unit defective
Replace the LCD unit.
5
Main PCB defective
Replace the main PCB ASSY.
Unable to Print ED
LCD
Step
Cause
Solution
1
Touch panel defective
Replace the touch panel ASSY.
2
LCD PCB ASSY defective
Replace the LCD PCB ASSY.
3
Main PCB defective
Replace the main PCB ASSY.
Unable to Print F0
LCD
Step
Cause
Solution
1
Program malfunctioning
Re-load the firmware.
2
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 ...