Brother HL-L9300CDW Service Manual page 82

■
Error code 6F00
Print Unable ZC
Turn the power off and then back on again.
Machine detected that supplied power was unstable. (Less than 100 times)
< User Check >
- Turn the power switch OFF/ON.
- Insert the filter into the power supply.
Step
1 The power supply waveform is
incorrect
■
Error code 7000
Jam Inside
Open the Front Cover, pull out the Drum Unit completely and remove the
jammed paper.
After the registration rear sensor detects paper pass, the eject sensor does not detect paper
pass.
< User Check >
- Remove the jammed paper.
Step
1 Foreign object inside machine
2 Eject actuator that has come off
or that has been caught
3 Fuser cover installation failure
4 Connection failure of the eject
sensor PCB harness
5 Fuser drive gear Z25 damaged
6 Process related feed gear
damaged
7 Paper feed related gear
damaged
8 Eject sensor failure
9 Fuser unit failure
10 Main PCB failure
Cause
Cause
2-62
Remedy
Install a voltage stabilizer in the power
supply part.
Remedy
Remove the foreign object.
Re-assemble the eject actuator.
Re-assemble the fuser cover.
Reconnect the eject sensor PCB harness.
Replace the fuser drive gear Z25.
Replace the process drive unit.
Replace the main drive unit.
Replace the eject sensor PCB ASSY.
Replace the fuser unit.
Replace the main PCB ASSY.
Confidential