[C430] Thermistor Abnormality After Abnormality Judgment; [C440] Fuser Is Abnormal After Abnormality Judgment - Toshiba e-STUDIO206L Service Manual

Check item
2. Check the connector
3. Check the thermistors
4. Check the heater
5. Check the LGC board
6. Clear the status counter
Parts to be replaced
LGC board
Fuse (F203)
Harness

[C430] Thermistor abnormality after abnormality judgment

[C440] Fuser is abnormal after abnormality judgment

Classification
Fuser unit related service
call
Check item
1. Check the thermistors
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
ERROR CODE AND TROUBLESHOOTING
Check if the pins of the connector are tilted and contact each
other.
• Connectors (J70 and J71) on the RADF board
• RADF connector (J42) connected to the equipment
• Connectors (CN131 and CN130) on the SYS board
• Connector (CN419) on the switching regulator
1. Check if the connectors are disconnected.
2. Check if the center, side and edge thermistors are in contact
with the surface of the fuser roller properly?
3. Check if the center, side and edge thermistors are not
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.
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 connectors CN308 are disconnected.
2. Check if the conductor pattern on the LGC board is short
circuited or open circuited.
3. Replace the LGC board.
After repairing the matter which caused the error, perform the
following:
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 "1" or "2" 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.
Thermistor abnormality after abnormality judgment
Fuser is abnormal after abnormality judgment
1. Check if the connectors are disconnected.
2. Check if the center, side and edge thermistors are in contact with the
surface of the fuser roller properly?
3. Check if the center, side and edge thermistors are not deformed or
dirty.
4. Check if the harnesses of the center, side and edge thermistors are
open circuited.
8 - 142
Measure
Remark
Error content
Measure
© 2011-2014 TOSHIBA TEC CORPORATION All rights reserved