Toshiba e-STUDIO477S Service Manual page 127

Error code Cause
C0A6 Duplex Fan error inside the Duplex unit.
FAN Alarm
Caution
Does the error recur when the
power is turned off once and
back on?
Does the error recur when the
power is turned off once and
back on?
C46C Power Supply Thermistor Short
Error.
(When temperature is high)
C46D Power Supply Thermistor Open
Error
(When temperature is low)
C46E Power Supply Thermistor Temp
High
C46F Power Supply Thermistor Temp
Low
CE85 LED head Is the LED head connected
detection normally?
error
(CE85=K)
Is the LED HEAD fuse brown?
Does this error recur?
CE7A ID Up/Down Is the ID unit caught by anything
position when it is removed and re-
detection installed?
error
Does this error recur?
45387101TH Rev.1
Error details Remedial measure
Check if the Duplex
unit is installed
normally or not.
Check if the fans
Yes are installed
normally or not.
Replace the fan.
Yes
Turn off the Power
of the printer and
back on.
Turn off the Power
of the printer and
back on.
Turn off the Power
of the printer and
back on.
Turn off the Power
of the printer and
back on.
No Install the LED
head unit normally.
Yes Check the LED
HEAD fuse.
Yes After checking fuse
No Turn on the power
again.
Yes For the method of
checking the LED
head unit fuse,
refer to section 7.6.
Yes Re-install the ID
unit.
No Turn on the power
again.
Yes Replace the high
voltage power supply.
Error code Cause
C4C0 The fuse has Is the fuser unit installed
blown out. normally?
Does this error recur?
C383 Toner sensor Is the toner cartridge installed?
detection
error. Is the lock lever of the toner
(C383=K) set?
This error
does not
occur with
the default
settings. Does this error recur?
C44A Thermistor Is the error message displayed?
Slope Error Does this error recur?
C41E Compensation Is the error message displayed?
Thermistor Does this error recur?
Error
C41A Short-circuit
or open-
C41B
circuit of fuser Does this error recur?
thermistor is
detected.
C449 The fuser
thermistor
C446
has detected Does this error recur?
an abnormal
temperature Does this error recur?
(high
temperature
or low
temperature.)
6. Troubleshooting and repair procedure
Error details Remedial measure
No After cleaning
the connecting
connector of the
fuser unit, re-install
the fuser unit.
Turn on the power
again.
Yes After checking
for the sure cable
connection,
Yes replace the PU or
Board IBY.
Install the toner
No
cartridge.
Rotate the lock
No
lever of toner to the
lock position.
Turn on the power
again.
Yes Replace the toner
sensor assembly.
Turn on the power
again.
Yes After leaving a
printer for 30
minutes, turn on
the power again.
Turn on the power
again.
After leaving a
Yes
printer for 30
minutes, turn on
the power again.
Turn on the power
again.
Yes Replace the fuser
unit.
Turn on the power
again.
Yes Replace the fuser
unit.
Yes Replace the low
voltage power
supply unit.
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