BROTHER FAX MACHINE TROUBLESHOOTING




BROTHER FAX MACHINE TROUBLESHOOTING


Quick Guide To Brothers Service Modes

Short Version
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BROTHER FAX SERVICE MODE
Maintenance mode accessed with:
• Function *2864 (quickly)
Codes:
• 01 resets all parameters,
- indicates param init
- goes back to maintenance
• 55 resets scanner(white level)
• 91 resets all but user info,
• 99 to exit service mode.
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Long Version
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Brother Error Codes
RAM clear (most models)
Quickly press function * 2 8 6 4
Display should read maintenance
Press 0 1 for a full ram clear, or 9 1 to retain user data
Display should read reinit for a few moments then redisplay maintenance
Press 9 9 to exit the maintenance mode

Other maintenance mode switches:
01 ram clear (see 91 below)
02 scanner initialize (feed a white sheet, then a black sheet)
05 white level
09 print test
10 modify soft switches
11 print configuration list
16 panel test
19 CML test
20 signal test
21 tonal test
23 filter RX
54 scan edge
55 scanner area
66 test print memo
75 display drum life (if enabled on laser models)
76 reset drum life counter (laser models)
91 parameter initialize (user programming remains intact)
95 protection

B2 error = scanner or power supply error

Brother 950/980: On copy or transmit they may produce black pages. Prone to bad scanner (CCD). Brother may provide a replacement CCD at no charge to the original owner. Sometimes leaving the unit unplugged for a few hours will solve the problem temporarily.

Brother HL600 series laser printer toner will work in the laser fax & multifunction machines (part number TN100HL = TN100PPF). Drum units may be interchangeable as well (?).

Brother 1350/1550/1950: Problem: Record paper jams. Solution: Replace upper shoot. P/N UF6058001. Although there seems to be nothing causing the jam, the upper shoot gets stress marks on the ends. Replace even though it is not broken.

Thermal Transfer Machines: Only one side of the page is printing. Caused by the printhead latch being cracked. The latch is blue in color there is one on each side of the printhead, replace both latches
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