Brother MFC-9130CW Service Manual page 96

■ Error code 6B0A
Drum !
Slide the Green tab on Drum Unit.
GRID current failure was detected in a state other than immediately after power was turned
ON or the joint cover ASSY was closed.
<User Check>
- Re-insert the drum unit.
- Clean the GRID terminals of the drum unit. (Refer to
- Clean the corona wire by sliding the green tab of each drum unit for all four colors several
times.
Step
1 Dirt on the GRID terminals of
the main body
2 Dirt on the terminal of the
high-voltage power supply PCB
3 High-voltage power supply PCB
failure
4 Main PCB failure
■ Error code 6E00
Toner Error
One or more Toner Cartridges are not detected. Pull out and reinsert all 4
Toner Cartridges.
The develop release sensor detected the develop roller disengagement or engagement
failure.
Step
1 Develop release sensor harness
connection failure
2 High-voltage power supply PCB
harness connection failure
3 Develop release sensor failure
4 Misalignment of develop clutch
cam
5 Develop release clutch failure
6 High-voltage power supply PCB
failure
7 Main PCB failure
Cause
Cause
2-57
fig. 2-8 (P2-51))
Remedy
Clean the GRID terminals of the main
body. (Refer to fig. 2-7
Clean the terminal of the high-voltage
power supply PCB.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Check the develop release sensor
harness connection and reconnect it.
Check the high-voltage power supply PCB
harness connection and reconnect it.
Replace the develop release sensor PCB
ASSY.
Check the develop clutch cam position
and re-assemble it.
Replace the develop release clutch.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
(P2-50))
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