Konica-Minolta Di351

Error Code:

Code: C0500
Description: Warming-up failure
The temperature of the Fusing Rollers does not reach the required level even after the lapse of a given period of time during a warm-up cycle. • From room temperature to 100 °C: Within 65 sec. • From 100 °C to 140 °C: Within 30 sec. • From 140 °C to 170 °C: Within 20 sec. • From 170 °C to the completion of warming-up: Within 22 sec.
Remedy: 1 Fusing Roller Heater Lamp turns ON when the Side Cover is opened and closed. NO Check step 3 and onward. 2 The resistance of Fusing Roller Thermistor (across CN25-2 and 3 on the Fusing Unit end) is infinity. YES Change Fusing Roller Thermistor. NO Change Master Board. 3 There is continuity across CN3-1 and 2 on the Fusing Unit end. YES Check step 7. 4 Fusing Roller Heater Lamp is conducting. NO Change Fusing Roller Heater Lamp. 5 Fusing Roller Thermostat is conducting. NO Change Fusing Roller Thermostat. 6 Fusing Roller Heater Lamp Fuse is conducting. NO Change Fusing Roller Heater Lamp Fuse. 7 There is continuity across 1A and 1B, and across 2A and 2B, when Side Cover Interlock Switch 2 is actuated. YES Change Power Supply Unit. Change Master Board. NO Change Side Cover Interlock Switch 2.

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