Lexmark T640 Service Manual - Page 60
Hot roll reached 'final, temperature' but took
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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