Brother DCP-7055 - Drum Unit Installation and Cleaning; Cleaning Drum Unit Corona Wire; Resetting Drum Counter

2-32
Confidential
Error code 3A
Error, which cannot be specified, occurs.
■ Error code 3B
Main PCB DRAM access error.
Print Unable 3A
Turn the power off and then back on again.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable 3B
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.