Brother DCP-9055CDN Service Manual page 93

■ Error code 5F
WT Box End Soon
The waste toner box near full. (The sensor detected that the waste toner became near full.)
<User Check>
- Prepare a new waste toner box.
Step
1 Waste toner sensor failure
2 Harness connection failure of
waste toner sensor
3 High-voltage power supply PCB
failure
4 Main PCB failure
■ Error code 60 (C)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Cyan (C)
Error code 61 (M)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Magenta (M)
Error code 62 (Y)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Yellow (Y)
Error code 63 (K)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Black (K)
Each toner cartridge reached the end of life.
<User Check>
- Replace the toner cartridge of the appropriate color.
Step
1 Harness connection failure of
Toner/New sensor PCB ASSY
2 Toner/New sensor PCB failure
(Toner empty)
3 Engine PCB failure
4 Main PCB failure
Cause
Cause
2-55
Remedy
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the
waste toner sensor.
Check the harness connection of the
waste toner sensor and reconnect it.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Check the sensor performance following
the procedure described in
32". If any problem occurs, check the
harness connections of the Toner/New
sensor PCB ASSY and reconnect them.
Replace the Toner/New sensor PCB
ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
"Function code
"Function code
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