Toshiba e-STUDIO500P manual Hot roll timed out Low wattage or incorrect lamp

Service error codes (9xx.xx) (continued)

Error	Sub	Display text	Description		Action
code	codes
922	.44	Hot roll timed out in	•	Low wattage or incorrect lamp.	Go to “922.xx—Cold fuser
		trying to reach the final	• Bad thermistor, circuit, or cabling.		check” on page 2-89.
		lamp detection
			•	Fuser not receiving sufficient AC
		temperature. Fuser
		page count between		power.
		400,000 and 499,999.	• Poor supply line voltage.
922	.45	After hot roll lamp	The control code has been lost.		Go to “922.xx—Cold fuser
		detection, did not roll			check” on page 2-89.
		over to steady state
		control in time. Fuser
		page count between
		400,000 and 499,999.
922	.46	Hot roll did not reach	•	Low wattage or incorrect lamp.	Go to “922.xx—Cold fuser
		operating temperature in	• Bad thermistor, circuit, or cabling.		check” on page 2-89.
		time (new enhanced
			•	Fuser not receiving sufficient AC
		control). Fuser page
		count between 400,000		power.
		and 499,999.	• Poor supply line voltage.
922	.47	Fuser has taken too long	•	Low wattage or incorrect lamp.	Go to “922.xx—Cold fuser
		to reach desired	• Bad thermistor, circuit, or cabling.		check” on page 2-89.
		temperature after
			•	Excessive load on the fuser.
		increasing interpage
		gap. Fuser page count	•	Fuser not receiving sufficient AC
		between 400,000 and
				power.
		499,999.
			• Poor supply line voltage.
922	.52	Hot roll took too long to	•	Low wattage or incorrect lamp.	Go to “922.xx—Cold fuser
		reach the beginning	• Bad thermistor, circuit, or cabling.		check” on page 2-89.
		lamp detection
			•	Fuser not receiving sufficient AC
		temperature. Fuser
		page count stopped at		power.
		500,000 to preserve	• Poor supply line voltage.
		data.
922	.53	Hot roll reached final	•	Low wattage or incorrect lamp.	Go to “922.xx—Cold fuser
		lamp detection	• Bad thermistor, circuit, or cabling.		check” on page 2-89.
		temperature but took
			•	Fuser not receiving sufficient AC
		longer than largest time
		in lookup table. Fuser		power.
		page count stopped at	• Poor supply line voltage.
		500,000 to preserve
		data.
922	.54	Hot roll timed out in	•	Low wattage or incorrect lamp.	Go to “922.xx—Cold fuser
		trying to reach the final	• Bad thermistor, circuit, or cabling.		check” on page 2-89.
		lamp detection
			•	Fuser not receiving sufficient AC
		temperature. Fuser
		page count stopped at		power.
		500,000 to preserve	• Poor supply line voltage.
		data.
922	.55	After hot roll lamp	The control code has been lost.		Go to “922.xx—Cold fuser
		detection, did not roll			check” on page 2-89.
		over to steady state
		control in time. Fuser
		page count stopped at
		500,000 to preserve
		data.

Diagnostic information 2-19