Brother FAX-2840 Service Manual page 75

Error code 7F
Size mismatch
Fax received. Set correct paper size in menu.
The paper size set on the machine is smaller than the specified fax size.
<User Check>
• Reset the paper size setting in menu.
Step
1 Main PCB failure
Error code 80
Size mismatch
Reload correct paper, then press Start.
The registration front sensor detected that the paper set in the paper tray was smaller than
the specified size.
<User Check>
• Set the A4 size paper.
Step
1 Registration front sensor failure Replace the regist frame ASSY.
2 Main PCB failure
Error code 81 and 82
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.
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An unidentified error occurred.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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