Error Code - Brother MFC845CW Manual De Servicio

Error Code

(Hex)
The casing internal
40
temperature thermistor has
detected abnormal
temperature in the
machine
Not used
41
42
The head drive voltage has
not dropped from the high
to low level within the
specified period
The head thermistor has
43
been opened or shorted
abnormally
44
The temperature of the
print head driver has risen
abnormally.
The head driver chip
temperature sensor in the
head driver detects
abnormally high
temperature
45
Not used
Symptom
Piezolectric ceramic
actuator or head driver
defective.
Power supply PCB
defective.
Main PCB defective
Head flat cables no
connected correctly.
Head flat cables broken
Carriage PCB defective.
Main PCB defective
Head property
parameters incorrect in
the EEPROM
Head/carriage unit
broken
Head flat cables and
carriage-head flat cable
not connected correctly.
Head flat cables broken
Carriage-head flat cable
broken
Main PCB defective
4-6
Probable Cause
Main PCB defective
Casing internal
temperature thermistor
defective
Solution
Replace the Main PCB
Replace the ink refill
ASSY
Replace the head/carriage
unit.
Replace the power supply
PCB
Replace the main PCB
Correct those flat cables
Replace the carriage
PCB ASSY
Replace the carriage PCB
ASSY
Replace the main PCB
Enter the correct
parameter values
Replace the head/carriage
Unit
Correct those flat cables.
Replace the carriage PCB
ASSY
Replace the head/carriage
unit
Replace the main PCB
Confidencial