Lexmark X644E Service Manual - Page 63

Hot roll did not reach, operating temperature

Page 63 highlights

7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 922 .42 922 .43 922 .44 922 .45 922 .46 922 .47 922 .52 Hot roll took too long to reach the beginning lamp detection temperature. Fuser page count between 400,000 and 499,999. • 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 2-134. Hot roll reached final lamp detection temperature but took longer than largest time in lookup table. Fuser page count between 400,000 and 499,999. • 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 2-134. Hot roll timed out in trying to reach the final lamp detection temperature. Fuser page count between 400,000 and 499,999. • 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 2-134. After hot roll lamp detection, did not roll over to steady state control in time. Fuser page count between 400,000 and 499,999. The control code has been lost. Go to "922.xx-Cold fuser check" on page 2-134. Hot roll did not reach operating temperature in time (new enhanced control). Fuser page count between 400,000 and 499,999. • 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 2-134. Fuser has taken too long to reach desired temperature after increasing interpage gap. Fuser page count between 400,000 and 499,999. • Low wattage or incorrect lamp. • Bad thermistor, circuit, or cabling. • Excessive load on the fuser. • Fuser not receiving sufficient AC power. • Poor supply line voltage. Go to "922.xx-Cold fuser check" on page 2-134. Hot roll took too long to reach the beginning lamp detection temperature. Fuser page count stopped at 500,000 to preserve data. • 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 2-134. Diagnostic information 2-25

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Diagnostic information
2-25
7002-xxx
922
.42
Hot roll took too long to
reach the beginning
lamp detection
temperature. Fuser
page count between
400,000 and 499,999.
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 2-134
.
922
.43
Hot roll reached final
lamp detection
temperature but took
longer than largest time
in lookup table. Fuser
page count between
400,000 and 499,999.
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 2-134
.
922
.44
Hot roll timed out in
trying to reach the final
lamp detection
temperature. Fuser
page count between
400,000 and 499,999.
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 2-134
.
922
.45
After hot roll lamp
detection, did not roll
over to steady state
control in time. Fuser
page count between
400,000 and 499,999.
The control code has been lost.
Go to
“922.xx—Cold fuser check”
on page 2-134
.
922
.46
Hot roll did not reach
operating temperature in
time (new enhanced
control). Fuser page
count between 400,000
and 499,999.
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 2-134
.
922
.47
Fuser has taken too long
to reach desired
temperature after
increasing interpage
gap. Fuser page count
between 400,000 and
499,999.
Low wattage or incorrect lamp.
Bad thermistor, circuit, or
cabling.
Excessive load on the fuser.
Fuser not receiving sufficient AC
power.
Poor supply line voltage.
Go to
“922.xx—Cold fuser check”
on page 2-134
.
922
.52
Hot roll took too long to
reach the beginning
lamp detection
temperature. Fuser
page count stopped at
500,000 to preserve
data.
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 2-134
.
Service error codes (9
xx
.
xx
) (continued)
Error
code
Sub
codes
Display text
Description
Action