Brother MFC-9130CW Service Manual page 91

■ Error code 6300
No Waste Toner
Install the Waste Toner Box. Refer to the User's Guide for instructions.
BCLN terminal current value detected that no waste toner box was set.
<User Check>
- Re-insert the waste toner box in the correct position.
- Clean the BCLN terminals of the waste toner box. (Refer to the figure below.)
Step
1 Dirt on the BCLN 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
■ Electrodes location of waste toner box
Cause
Fig. 2-9
2-52
Remedy
Clean the BCLN 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.
(P2-50))
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