Lexmark T642 Service Manual - Page 61

4061-xx0 Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description 923 .01 923 .11 923 .21 923 .31 923 .41 923 .51 923 .91 924 .01 924 .11 924 .21 924 .31 Fuser over temperature. Fuser page count between 0 and 99,999. Fuser over temperature. Fuser page count between 100,000 and 199,999. Fuser over temperature. Fuser page count between 200,000 and 299,999. Fuser over temperature. Fuser page count between 300,000 and 399,999. Fuser over temperature. Fuser page count between 400,000 and 499,999. Fuser over temperature. Fuser page count stopped at 500,000 to preserve data. Fuser over temperature. Fuser page count not available. Open thermistor check failure. Fuser page count between 0 and 99,999. Open thermistor check failure. Fuser page count between 100,000 and 199,999. Open thermistor check failure. Fuser page count between 200,000 and 299,999. Open thermistor check failure. 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. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Action Go to "923.xx-Hot fuser service check" on page 2-90. Go to "923.xx-Hot fuser service check" on page 2-90. Go to "923.xx-Hot fuser service check" on page 2-90. Go to "923.xx-Hot fuser service check" on page 2-90. Go to "923.xx-Hot fuser service check" on page 2-90. Go to "923.xx-Hot fuser service check" on page 2-90. Go to "923.xx-Hot fuser service check" on page 2-90. Go to "924.xx-Hot fuser service check" on page 2-91. Go to "924.xx-Hot fuser service check" on page 2-91. Go to "924.xx-Hot fuser service check" on page 2-91. Go to "924.xx-Hot fuser service check" on page 2-91. Diagnostic information 2-21