Brother DCP-7055 - Cleaning the Corona Wire; Corona Wire Cleaning Procedure

2-35
Confidential
Error code 4A
Error, which cannot be specified, occurs.
Error code 4B
Error, which cannot be specified, occurs.
Error code 4C
Error, which cannot be specified, occurs.
Error code 4D
Error, which cannot be specified, occurs.
Error code 4E
Error, which cannot be specified, occurs.
Error code 4F
Error, which cannot be specified, occurs.
■ Error code 50
Drum unit is at the end of life. (The printing is continued.)
Replace Drum
Replace Drum
Drum End Soon
Drum End Soon
Drum End Soon
Drum End Soon
<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.
Replace Drum
<User Check>
• Prepare a new drum unit.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.