December 2002 TOSHIBA TEC 14 - 7 e-STUDIO160/200/250 FUSER UNIT/EXIT UNIT
(5) Thermistor/Heater status counter control
• To enhance the fuser unit safety, CPU works to provide the following protection:
After tow consecutive C41 errors, if a third C41 error has occurred, turning the power OFF and then
ON does not work to turn ON the heater lamp, instead immediately displaying a C41 error.
However, with the thermistor/heater status counter “1” or below, if the copier becomes ready nor-
mally, the counter is cleared to “0”.
• After service calls C41 to C45 occurred and the thermistor and heater lamp have been repaired or
replaced, if turning the power ON does not turn the heater lamp ON and an error occurs again, use
code 400 in the 08 mode to check the thermistor/heater status counter, and clear it to “0” if neces-
sary.
Heat roller surface temperature (e-STUDIO160 series): 190°C (Thermistor resistance: 5.90KΩ)
Heat roller surface temperature (e-STUDIO200/250 series): 200°C (Thermistor resistance: 5.01KΩ)
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