Error Code
(Hex)
40
The casing internal
temperature thermistor has
detected abnormal
temperature in the
machine.
41
Not used.
42
The head drive voltage has
not dropped from the high
to low level within the
specified period.
43
The head thermistor has
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
4 - 5
Probable Cause
Main PCB defective
Casing internal
temperature thermistor
defective
Piezoelectric ceramic
actuator or head driver
defective
Carriage PCB defective
Main PCB defective
Head flat cables not
connected correctly
Head flat cables broken
Carriage PCB defective
Main PCB defective
Head property
parameters incorrect in
the EEPROM
Air bubbles in the
head/carriage unit
Head flat cables and
carriage-head flat cable
not connected correctly
Head flat cables broken
Carriage-head flat cable
broken
Head/carriage unit
broken
Main PCB defective
Solution
Replace the main PCB.
Replace the ink refill
ASSY.
Replace the head/carriage
unit.
Replace the carriage PCB
ASSY.
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.
Perform the initial purge.
Correct those flat cables.
Replace the carriage PCB
ASSY.
Replace the head/carriage
unit.
Replace the head/carriage
unit.
Replace the main PCB.
Confidential