• Code: 920.07
• Description: Fuser has been below the desired temperature for too long while media is in the nip. Fuser page count between 0 and 99,999.
• Causes: • 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. • Abrupt change in temperature that has disrupted control. • Incorrect hot roll.
• Remedy: See 920.xx

• Code: 920.11
• Description: Hot roll took too long to heat up after transitioning to new enhanced mode. Fuser page count between 100,000 and 199,999.
• Causes: • 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.
• Remedy: See 920.xx

• Code: 920.12
• Description: Hot roll fell too far below the desired temperature while printing. Fuser page count between 100,000 and 199,999.
• Causes: • 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.
• Remedy: See 920.xx

• Code: 920.13
• Description: Hot roll too cool while checking for slope change. Fuser page count between 100,000 and 199,999.
• Causes: • 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.
• Remedy: See 920.xx

• Code: 920.14
• Description: Hot roll too cool when heating to desired temperature after slope change. Fuser page count between 100,000 and 199,999.
• Causes: • 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.
• Remedy: See 920.xx.

• Code: 920.16
• Description: 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.
• Causes: • Fuser is not receiving AC power. • Poor supply line voltage.
• Remedy: See 920.xx

• Code: 920.17
• Description: 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.
• Causes: • 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.
• Remedy: See 920.xx

• Code: 920.21
• Description: Hot roll took too long to heat up after transitioning to new enhanced mode. Fuser page count between 200,000 and 299,999.
• Causes: • Bad thermistor, circuit, or cabling. • Fuser not receiving AC power. • Poor supply line voltage. • Low voltage or incorrect lamp. • Incorrect hot roll.
• Remedy: See 920.xx