Brother MFC-8535DN Service Manual

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Confidential
 Error code 0300
Cannot detect the lock signal of the polygon motor for the laser unit (second time).
Error code 0305
Cannot detect the lock signal of the polygon motor for the laser unit (first time).
Error code 0401
Cannot detect the synchronized signal of the polygon motor for the laser unit (second time).
Error code 0405
Cannot detect the synchronized signal of the polygon motor for the laser unit (first time).
Step Cause Remedy
1
Connection failure of the laser
unit flat cable
Reconnect the laser unit flat cable.
2 Laser unit flat cable failure Replace the laser unit flat cable.
3 Laser unit failure Replace the laser unit.
4 Main PCB failure Replace the main PCB ASSY.

Brother MFC-8535DN Specifications

General

Brand	Brother
Model	MFC-8535DN
Category	All in One Printer
Language	English