Brother DCP-7055 Service Manual page 64

■ Error code 1A
These errors do 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.
---
Error, which cannot be specified, occurs.
Error code 1B
Drum Stop
We cannot guarantee the print quality. Replace the Drum Unit. Refer
to the User's Guide for instructions.
Error, which cannot be specified, occurs.
Error code 1C
Drum Stop
We cannot guarantee the print quality. Replace the Drum Unit. Refer
to the User's Guide for instructions.
Error, which cannot be specified, occurs.
Error code 1D
Drum Stop
We cannot guarantee the print quality. Replace the Drum Unit. Refer
to the User's Guide for instructions.
Error, which cannot be specified, occurs.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
■ Error code 1E
Drum End Soon
The drum unit will reach the end of life soon.
<User Check>
• Prepare a new drum unit.
Step
1 Main PCB failure
Cause
Cause
2-27
Remedy
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Confidential