Brother MFC Series User Manual

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Confidential
■ Error Code 50
Failed to detect that the Purge cam switch is turned ON.
Error Code 52
Cannot detect the home position of the Purge cam. (Failed to detect the longest OFF
status interval of the maintenance cam)
■ Error Code 5A
Abnormal stopping of the Purge cam.
Error Code 5B
The Maintenance unit pump abnormally stopped during exhaust/intake.
Error Code 5D
Overcurrent protection was activated in the driver IC during Purge cam operation.
Error Code 5E
Overcurrent protection was activated in the driver IC during Maintenance unit pump
operation.
Unable to print 50
LCD
Unable to print 52
LCD
Step Cause Solution
1 Foreign materials in the
Maintenance unit part
Remove foreign materials.
2 Purge cam sensor harness
connection failure
Reconnect the Purge cam sensor harness.
3 Purge cam sensor defective Replace the Maintenance unit.
4 Main PCB defective Replace the Main PCB ASSY.
Unable to print 5A
LCD
Unable to print 5B
LCD
Unable to print 5D
LCD
Unable to print 5E
LCD
Step Cause Solution
1 Foreign materials in the
Maintenance unit part
Remove foreign materials.
2 Maintenance unit defective Replace the Maintenance unit.
3 Main PCB defective Replace the Main PCB ASSY.

Brother MFC Series Specifications

General

Brand	Brother
Model	MFC Series
Category	Printer
Language	English