Lexmark X644E Service Manual - Page 65

7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 922 .94 922 .95 922 .96 922 .97 923 .01 923 .11 923 .21 923 .31 923 .41 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 2-134. 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. POR and retry. If the error message remains, 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 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 2-134. 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 2-134. Fuser over temperature. Fuser page count between 0 and 99,999. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Go to "923.xx-Hot fuser service check" on page 2-135. Fuser over temperature. Fuser page count between 100,000 and 199,999. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Go to "923.xx-Hot fuser service check" on page 2-135. Fuser over temperature. Fuser page count between 200,000 and 299,999. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Go to "923.xx-Hot fuser service check" on page 2-135. Fuser over temperature. Fuser page count between 300,000 and 399,999. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Go to "923.xx-Hot fuser service check" on page 2-135. Fuser over temperature. Fuser page count between 400,000 and 499,999. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Go to "923.xx-Hot fuser service check" on page 2-135. Diagnostic information 2-27