Lexmark X644E Service Manual - Page 63
Hot roll did not reach, operating temperature
UPC - 734646093156
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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