Brother DCP-9055CDN Service Manual page 102

■ Error code 7E
Replace Belt
Open the Front Cover, replace the Belt Unit.
Belt unit is at the end of life. (The operation is stopped.)
<User Check>
- Replace the belt unit with a new one and reset the counter.
(Refer to "2.2 Parts Life Reset Function" in Chapter
Step
1 Main PCB failure
■ Error code 7F
Size mismatch
FAX received. Set correct paper size in menu.
Fax paper size is incorrect. (Menu setting)
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
■ Error code 80
Size mismatch
Reload correct paper.
Fax paper size is incorrect. (The actually loaded paper is small.)
<User Check>
- Use the A4 or Letter size paper.
Step
1 Main PCB failure
Cause
Cause
Cause
2-64
5.)
Remedy
Replace the main PCB ASSY
Remedy
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
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