e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A © 2015 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
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[C450] Thermistor abnormality during printing
[C452] The temperature between the center and edge thermistors differs by more than 100
degrees C when reaching the Ready temperature
5. Clear the status counter 1. Change the value of the status counter (08-2002) to "0".
(Any of the following values is written in 08-2002.
9, 19, 21, 22, 23, 25, 27, 29 or 45)
Parts to be replaced Remark
LGC board
Thermistors
Heater lamp
Classification Error content
Fuser unit related service call Thermistor abnormality during printing
Check item Measure
1. Check the edge thermistor 1. Check if the connector is disconnected.
2. Check if the edge thermistor is in contact with the surface of
the fuser roller properly.
3. Check if the harness of the edge thermistor is open
circuited.
2. Check the LGC board 1. Check if the connector CN308 is disconnected.
2. Check if the conductor pattern on the board is short circuited
or open circuited.
3. Replace the LGC board.
3. Clear the status counter 1. Turn ON the power while [0] and [8] are pressed
simultaneously.
2. Key in "2002", then press [START].
3. Change the current status counter value "6" and "10" to "0",
then press [OK] or [INTERRUPT] (to cancel the error).
4. Turn the power OFF and then back ON. Make sure that the
equipment enters the normal ready state.
4. Check the heater 1. Check if the heater is broken. (Check that the heater is
conducted properly.)
2. Check if the connector of the heater is disconnected.
3. Check if the harnesses are connected properly to the
terminals of the heater lamp.
4. Check if the thermostat is blown.
Parts to be replaced Remark
LGC board
Classification Error content
Fuser unit related service call The temperature between the center and edge thermistors
differs by more than 100 degrees C when reaching the Ready
temperature.
Check item Measure
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