Lexmark T640 - Page 58

2-16 Service Manual
4061-xx0
922 .03 Hot roll reached final
lamp detection
temperature but took
longer than largest time
in lookup table. Fuser
page count between 0
and 99,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .04 Hot roll timed out in
trying to reach the final
lamp detection
temperature. Fuser
page count between 0
and 99,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .06 Hot roll did not reach
operating temperature in
time (new enhanced
control). Fuser page
count between 0 and
99,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .07 Fuser has taken too long
to reach desired
temperature after
increasing interrupt gap.
Fuser page count
between 0 and 99,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .12 Hot roll took too long to
reach the beginning
lamp detection
temperature. Fuser
page count between
100,000 and 199,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .13 Hot roll reached final
lamp detection
temperature but took
longer than largest time
in lookup table. Fuser
page count between
100,000 and 199,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .14 Hot roll timed out in
trying to reach the final
lamp detection
temperature. Fuser
page count between
100,000 and 199,999.
• Low wattage or incorrect lamp.
• Bad thermistor, circuit, or cabling.
• Fuser not receiving sufficient AC
power.
• Poor supply line voltage.
Go to “922.xx—Cold fuser
check” on page 2-89.
922 .15 After hot roll lamp
detection, did not roll
over to steady state
control in time. Fuser
page count between
100,000 and 199,999.
The control code has been lost. Go to “922.xx—Cold fuser
check” on page 2-89.
Service error codes (9xx.xx) (continued)
Error
code
Sub
codes
Display text Description Action