Question about Canon ImageRunner 5050N Digital Copier
At power-on, the rise in the temperature of the fixing assembly is not high enough. The main thermistor (THM1, THM2, THM3), thermal switch (TP1, TP2, TP3), or heater (H1, H2, H3, H4) has an open circuit or poor contact. The AC drive PCB or the DC controller PCB is faulty.
The temperature reaches 110 deg C, but does not reach 140 deg C within 300 sec. Remedy Check for an open circuit and poor contact in the main thermistor, thermal switch, and heater; then, reset in service mode: COPIER>FUNCTION>CLEAR>ERR.
Posted on Dec 10, 2014
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Posted on Jan 02, 2017
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