[C450] Thermistor Abnormality During Printing - Toshiba e-STUDIO206L Service Manual

Check item
5. Clear the status counter
Parts to be replaced
LGC board
Thermistors
Heater lamp

[C450] Thermistor abnormality during printing

Classification
Fuser unit related service call
Check item
1. Check the edge thermistor
2. Check the LGC board
3. Clear the status counter
Parts to be replaced
LGC board
[C452] The temperature between the center and edge thermistors differs by more than 100
degrees C when reaching the Ready temperature
Classification
Fuser unit related service call
Check item
1. Check the edge thermistors
2. Check the LGC board
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
ERROR CODE AND TROUBLESHOOTING
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)
Thermistor abnormality during printing
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.
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.
1. Change the current status counter value (08-2002) "6" to "0".
The temperature between the center and edge thermistors
differs by more than 100 degrees C when reaching the Ready
temperature.
1. Check if the connectors of the center, side or edge
thermistors are disconnected.
2. Check if the center, side and edge thermistors contact the
surface of the fuser roller properly.
3. Check if the center, side and edge thermistors are deformed
or dirty.
4. Check if the harnesses of the center, side and edge
thermistors are open circuited.
1. Check if the connector CN309 is disconnected.
2. Check if the conductor pattern on the LGC board is open or
short circuited.
3. Replace the LGC board.
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