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Confidential
2-37
Error Code 52
Failed to detect the origin of the purge cam.
User Check
Remove the jammed paper in platen part.
Unable to Print 52
LCD
Step
Cause
Solution
1
Foreign materials in the
maintenance unit
Remove foreign materials.
2
Purge cam switch harness
connection failure
Reconnect the purge cam switch harness.
3
Paper feed motor defective
Replace the paper feed motor.
4
PF encoder sensor defective
Replace the PF encoder sensor PCB ASSY.
5
Maintenance unit defective
Replace the maintenance unit.
6
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 ...