Brother DCP-9055CDN Service Manual page 94

■ Error code 64 (C)
Toner Low (C)
Prepare New Cyan (C) Toner Cartridge.
Error code 65 (M)
Toner Low (M)
Prepare New Magenta (M) Toner Cartridge.
Error code 66 (Y)
Toner Low (Y)
Prepare New Yellow (Y) Toner Cartridge.
Error code 67 (K)
Toner Low (K)
Prepare New Black (K) Toner Cartridge.
Each toner cartridge will reach the end of life soon.
<User Check>
- Gently shake the toner cartridge of the appropriate color from side to side and install it again.
- Replace the toner cartridge of the appropriate color.
Step
1 Engine PCB failure
2 Main PCB failure
■ Error code 68
Print Unable 68
Turn the power off and then back on again.
Fuser unit error. (The temperature rise is detected even after the halogen heater is turned
OFF.)
Error code 69
Print Unable 69
Turn the power off and then back on again.
Fuser unit error. (The connector of the center thermistor is inserted incorrectly.)
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Cause
Cause
2-56
Remedy
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
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