Service Manual
Page 40
... connector CN10 on the engine board. Clean or replace as necessary. 4044-XXX The fuser lamp does light FRU Model 310 Thermistor Model 312 Thermistor Models E310 & E312 Fuser Lamp Action If the fuser lamp comes on and a fuser failure LED error code displays, be sure the thermistor is contacting the hot roll and... measures approximately 225K ohms when cool. Measure the resistance of the lamp contacts. 2-18 Service Manual Clean or replace as necessary. Turn the printer off and disconnect the thermistor cable from CN10 on one of the thermistor between CN1-1 and CN1-2.
... connector CN10 on the engine board. Clean or replace as necessary. 4044-XXX The fuser lamp does light FRU Model 310 Thermistor Model 312 Thermistor Models E310 & E312 Fuser Lamp Action If the fuser lamp comes on and a fuser failure LED error code displays, be sure the thermistor is contacting the hot roll and... measures approximately 225K ohms when cool. Measure the resistance of the lamp contacts. 2-18 Service Manual Clean or replace as necessary. Turn the printer off and disconnect the thermistor cable from CN10 on one of the thermistor between CN1-1 and CN1-2.