Brother DCP-2537DW, Service Manual

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Confidential

Error code 8903
The back cover sensor detected the open state when 2-sided printing is started (before the
registration of printing in the engine).
Error code 8904
The back cover sensor detected the open state during 2-sided printing (after the registration of
printing in the engine).
<User Check>
• Close the back cover correctly.
• Check that the duplex tray is set correctly.
 Error code 8A01
The registration rear sensor detected that the paper fed was smaller or larger than the
specified size in duplex printing mode.
<User Check>
• Use appropriate paper (Letter to Legal).
 Error code 8C00
There is no paper set in the manual feed slot on the manual feed slot printing.
<User Check>
• Set the paper in the manual feed slot.
Step Cause Remedy
1 Duplex tray is not set correctly Reattach the duplex tray correctly.
2 Back cover sensor attachment failure Reattach the back cover sensor.
3
Breakage of boss that presses
the back cover sensor Replace the back cover.
4
Guide which pushes the back cover
sensor of the duplex tray is faulty Replace the duplex tray.
5 Back cover sensor failure Replace the eject sensor PCB ASSY.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Registration rear actuator caught
in some sections of the machine Reattach the registration rear actuator.
2 Registration rear sensor failure Replace the actuator holder ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Registration front actuator caught
in some sections of the machine Reattach the registration front actuator.
2
Connection failure of the
registration front/rear sensor
PCB harness Reconnect the registration front/rear
sensor PCB harness.
3 Registration front sensor failure Replace the actuator holder ASSY.
4 Main PCB failure Replace the main PCB ASSY.