Brother DCP-9055CDN Service Manual page 75

■ Error code 1A
Condensation
Leave switched ON. Fully open the front cover. Wait 30 minutes, switch OFF
and close cover, then switch ON.
Condensation occurred on the laser unit.
<User Check>
- Open the front and rear covers and leave them for 30 minutes or more with the power ON.
After that, close the front and rear covers and turn OFF and ON the power switch.
Step
1 Engine PCB failure
2 Main PCB failure
Error code 1B (C)
Drum Stop
We cannot guarantee the print quality. Replace the Drum Unit. Refer to the
User's Guide for instructions.
Error code 1C (M)
Drum Stop
We cannot guarantee the print quality. Replace the Drum Unit. Refer to the
User's Guide for instructions.
Error code 1D (Y)
Drum Stop
We cannot guarantee the print quality. Replace the Drum Unit. Refer to the
User's Guide for instructions.
Drum error. (An drum error occurred after the counter value exceeded the value more than
twice as long as the life of the drum.) (Printing is not available until the drum unit is replaced.)
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
2-37
Remedy
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
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