Brother MFC260C Service Manual page 110

Error Code
(Hex)
The number of performed
46
purge sequences has
reached the limit.
The ink absorber box may
be filled with drained ink.
The number of flushing
operations has reached the
limit.
The flushing box may be
filled with drained ink.
47 Not used.
48 Weak connection of the
head flat cables.
49 The head drive voltage has
not risen to the specified
level.
4A-4E Not used.
4F The head drive voltage has
dropped from the high to
low level in an abnormally
short period.
The head drive voltage has
not risen to the specified
level within the specified
period in the self-
diagnosis.
Symptom
4- 9
Probable Cause
Purge counter overflown
Flushing counter
overflown
Head flat cables or
carriage-head flat cable
broken or not
connected
Head flat cables and
carriage-head flat cable
not connected correctly
Head/carriage unit
defective
Main PCB defective
Power supply PCB
defective
Piezoelectric ceramic
actuator defective
(Cracks or rare short)
Main PCB defective
Solution
Replace both the ink
absorber box and
flushing box and reset
their counters. (When
you need to replace the
ink absorber box or
flushing box, replace
both.)
Correct the connection
of the head flat cables.
Replace the carriage
PCB ASSY.
Replace the
head/carriage unit.
Replace the main PCB.
Correct those flat cables.
Replace the carriage PCB
ASSY.
Replace the head/carriage
unit.
Replace the main PCB.
Replace the power supply
PCB.
Replace the carriage PCB
ASSY.
Replace the head/carriage
unit.
Replace the main PCB.
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