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COMMON ERROR CODES FOR THE:

Brother Fax 5750 Error / Troubleshooting Codes    FAX 5750

CODE DESCRIPTION
71 Laser scanner motor does not lock.
72 Cannot detect Beam Detect signal.
73 No toner cartridge loaded.
74 Toner empty.
75 In-house temperature error.  -

SOLUTION: REPLACE FUSER UNIT
76 Fixing heater harness disconnected or broken.  -

SOLUTION: REPLACE FUSER UNIT
77 Heater thermistor short circuit.  -

SOLUTION: REPLACE FUSER UNIT
78 Heater thermistor harness disconnected or broken.  -

SOLUTION: REPLACE FUSER UNIT
79 Toner thermistor disconnected or broken.  -

SOLUTION: REPLACE FUSER UNIT
7A Main motor locked
7B ASIC error on the main PCB
7C Engine PCB error
80 Paper size setting error. Document too long to scan.
82 Paper feeding error. Document too long to scan.
83 Paper jam. The registration sensor remains ON.
84 Ejection sensor still stays OFF.
85 No paper cassette loaded
86 No 2nd paper cassette loaded
88 Paper jam. Even after the registration sensor has gone OFF, the paper ejection sensor still stays OFF.
A1 Top cover opened.
A2 Document too long to scan.
A3 Document not detected by the document rear sensor.
A4 50% or more faulty of white level data.
A7 One-line feeding time-out error.
A8 One-line scanning time-out error.
A9 Abnormal scanning reference voltage
AC Less than 50% faulty of white level data
B7 A/D converter reference voltage error (at High Level)
B8 A/D converter reference voltage error (at Low Level)
B9 Light Emission intensity error of the LED array
BA Magnification error for substantial white level data
BB Substantial white level data error in black & white mode
BC Substantial white level data error in Photo mode
BD Black Level data error
D5 The MODEM fails to complete the command transmission sequence.
E4 Out of recording paper.
E6 Write error in EEPROM.
E8 Data scanning error during transmission.
EA Document removed at phase B.
F3 Voice message recording or playing-back not started.
F5 EOL not found in page memory transmission mode.
F6 PC interface error.

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