PRINTER
14 June, 2002
6-34
Fusing Unit Service Call Conditions
If the Call Service indicator lights due to an error in the fusing unit, one of the
following conditions exists.
ERROR
SC CODE
ERROR NAME
DESCRIPTION
9-22 0541
Thermistor
Failure
Thermistor damaged or disconnected.
9-22 0542
Reload
Error
The hot roller did not attain correct
temperature after warmup completed.
9-22 0543
Abnormal High
Temperature
During warmup, fusing temperature of
230
°
C or higher for 1 s detected.
9-22 0544
Abnormal Low
Temperature
During printing, a fusing temperature of
130
°
C (or lower) detected for 60 s.
9-22 0546
Fusing
Temperature
Unstable
During printing, a fusing temperature
fluctuation of
±
25
°
C detected twice.
9-22
0547
Wrong, No Unit
Unit not installed or wrong fusing unit
installed. (Destination code in PSU and
fusing unit do not match.)
9-22 0548
High Fusing
Temperature
During printing, a fusing temperature
above the allowed error level detected
for 10 s.
9-22 0549
Low Fusing
Temperature
During printing, fusing temperature
below the allowed level detected for 6 s.
9-22 0550
High Standby
Temperature
Fusing temperature failed to drop to the
standby temperature within the
prescribed time.
9-22 0551
Repeat High
Standby
Temperature
During high temperature standby, a
fusing temperature of 195
°
C or higher
detected for 10 s.
9-22 0552
Low Standby
Temperature
During high temperature standby, a
fusing temperature of 150
°
C or lower
detected for 6 s, or in fax mode a fusing
temperature of 50
°
C or lower for 6 s
detected.
NOTE:
To recover from an error generated by the fusing unit, set bit 0 of printer
switch 01 to 1, then power the machine off and on.