Lexmark X644E Service Manual - Page 54
Error, codes, Display text, Description, Action, 920.xx-Cold fuser service, check
UPC - 734646093156
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7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 920 .11 920 .12 920 .13 920 .14 920 .16 920 .17 Hot roll took too long to heat up after transitioning to new enhanced mode. Fuser page count between 100,000 and 199,999. Hot roll fell too far below the desired temperature while printing. Fuser page count between 100,000 and 199,999. Hot roll too cool while checking for slope change. Fuser page count between 100,000 and 199,999. Hot roll too cool when heating to desired temperature after slope change. Fuser page count between 100,000 and 199,999. Fuser is not increasing in temperature even though the lamp has been on for an extended time. Fuser page count between 100,000 and 199,999. Fuser has been below the desired temperature for too long while the media is in the nip. Fuser page count between 100,000 and 199,999. • Bad thermistor, circuit, or cabling. • Very noisy thermistor signal. • Fuser not receiving AC power. • Poor supply line voltage. • Low voltage or incorrect lamp. • Incorrect hot roll. Go to "920.xx-Cold fuser service check" on page 2-132. • Bad thermistor, circuit, or cabling. • Noisy thermistor signal. • Fuser not receiving AC power. • Poor supply line voltage. • Low voltage or incorrect lamp. • Incorrect hot roll. Go to "920.xx-Cold fuser service check" on page 2-132. • Bad thermistor, circuit, or cabling. • Noisy thermistor signal. • Fuser not receiving AC power. • Poor supply line voltage. • Low voltage or incorrect lamp. • Incorrect hot roll. Go to "920.xx-Cold fuser service check" on page 2-132. • Bad thermistor, circuit, or cabling. • Noisy thermistor signal. • Fuser not receiving AC power. • Poor supply line voltage. • Low voltage or incorrect lamp. • Incorrect hot roll. Go to "920.xx-Cold fuser service check" on page 2-132. • Fuser is not receiving AC power. Go to "920.xx-Cold fuser service • Poor supply line voltage. check" on page 2-132. • Bad thermistor, circuit, or cabling. • Very noisy thermistor signal. • Fuser not receiving AC power. • Poor supply line voltage. • Excessive load on the fuser. • Low voltage or incorrect lamp. • Incorrect hot roll. • Abrupt change in temperature that has disrupted control. Go to "920.xx-Cold fuser service check" on page 2-132. 2-16 Service Manual