[C449] The Fusing Temperature Is Above 240 Degrees C - Toshiba e-STUDIO206L Service Manual

Check item
1. Check the thermistors
2. Check the heater
3. Check the LGC board
4. Check the power supply
5. Clear the status counter
Parts to be replaced
LGC board
Thermistors
Heater lamp

[C449] The fusing temperature is above 240 degrees C

Classification
Fuser unit related service call
Check item
1. Check the thermistors
2. Check the heater
3. Check the LGC board
4. Check the power supply
© 2011-2014 TOSHIBA TEC CORPORATION All rights reserved
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 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.
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.
Replace the switching regulator.
1. Change the value of the status counter (08-2002) to "0".
("7" or "8" is written in 08-2002.)
Error content
The fusing temperature is above 240 degrees C.
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 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.
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.
Replace the switching regulator.
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
8 - 145
Measure
Remark
Measure
ERROR CODE AND TROUBLESHOOTING
8