Brother DCP-7090 Service Manual page 40


Error code 6001
The front cover sensor detected that the front cover was open.
<User Check>
• Close the front cover.
Step
Connection failure of the front
1
cover sensor harness
2 Front cover failure
3 Front cover sensor failure
4 Main PCB failure
 Error code 6004
The eject sensor detected that the fuser cover was open.
<User Check>
• Close the fuser cover.
Step
Eject actuator coming off or
1 caught in some sections of the
machine
2 Fuser cover attachment failure
Connection failure of the eject
3
sensor PCB harness
4 Eject sensor PCB failure
5 Main PCB failure
Cause
Reconnect the front cover sensor
harness.
Replace the front cover.
Replace the front cover sensor.
Replace the main PCB ASSY.
Cause
Reattach the eject actuator.
Reattach the fuser cover.
Reconnect the eject sensor PCB harness.
Replace the eject sensor PCB ASSY.
Replace the main PCB ASSY.
Remedy
Remedy