Lexmark T644 Service Manual - Page 60

Hot roll reached 'final, temperature' but took

Page 60 highlights

4061-xx0 Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description 922 .56 922 .57 922 .92 922 .93 922 .94 922 .95 922 .96 922 .97 Hot roll did not reach operating temperature in time (new enhanced control). 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. Fuser has taken too long to reach desired temperature after increasing interpage gap. Fuser page count stopped at 500,000 to preserve data. • Low wattage or incorrect lamp. • Excessive load on the fuser. • Fuser not receiving sufficient AC power. • Poor supply line voltage. Hot roll took too long to reach the beginning lamp detection temperature. Fuser page count not available. • Low wattage or incorrect lamp. • Bad thermistor, circuit, or cabling. • Fuser not receiving sufficient AC power. • Poor supply line voltage. Hot roll reached 'final lamp detection temperature' but took longer than largest time in lookup table. Fuser page count not available. • Low wattage or incorrect lamp. • Bad thermistor, circuit, or cabling. • Fuser not receiving sufficient AC power. • Poor supply line voltage. Hot roll timed out in trying to reach the final lamp detection temperature. Fuser page count not available. • Low wattage or incorrect lamp. • Bad thermistor, circuit, or cabling. • Fuser not receiving sufficient AC power. • Poor supply line voltage. After hot roll lamp detection, did not roll over to steady state control in time. Fuser page count not available. Control code has been lost. Hot roll did not reach operating temperature in time (new enhanced control). Fuser page count not available. • Low wattage or incorrect lamp. • Bad thermistor, circuit, or cabling. • Fuser not receiving sufficient AC power. • Poor supply line voltage. Fuser has taken too long to reach desired temperature after increasing interpage gap. Fuser page count not available. • Low wattage or incorrect lamp. • Excessive load on the fuser. • Fuser not receiving sufficient AC power. • Poor supply line voltage. Action Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. Go to "922.xx-Cold fuser check" on page 2-89. 2-20 Service Manual

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2-20
Service Manual
4061-xx0
922
.56
Hot roll did not reach
operating temperature in
time (new enhanced
control). 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 2-89
.
922
.57
Fuser has taken too long
to reach desired
temperature after
increasing interpage
gap. Fuser page count
stopped at 500,000 to
preserve data.
Low wattage or incorrect lamp.
Excessive load on the fuser.
Fuser not receiving sufficient AC
power.
Poor supply line voltage.
Go to
“922.xx—Cold fuser
check” on page 2-89
.
922
.92
Hot roll took too long to
reach the beginning
lamp detection
temperature. Fuser
page count not
available.
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
.93
Hot roll reached ‘final
lamp detection
temperature’ but took
longer than largest time
in lookup table. Fuser
page count not
available.
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
.94
Hot roll timed out in
trying to reach the final
lamp detection
temperature. Fuser
page count not
available.
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
.95
After hot roll lamp
detection, did not roll
over to steady state
control in time. Fuser
page count not
available.
Control code has been lost.
Go to
“922.xx—Cold fuser
check” on page 2-89
.
922
.96
Hot roll did not reach
operating temperature in
time (new enhanced
control). Fuser page
count not available.
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
.97
Fuser has taken too long
to reach desired
temperature after
increasing interpage
gap. Fuser page count
not available.
Low wattage or incorrect lamp.
Excessive load on the fuser.
Fuser not receiving sufficient AC
power.
Poor supply line voltage.
Go to
“922.xx—Cold fuser
check” on page 2-89
.
Service error codes (9
xx
.
xx
) (continued)
Error
code
Sub
codes
Display text
Description
Action