Description: Drum Motor Error After the motor started, the drum motor lock signal remained HIGH for 5 sec.
Causes: • Physical obstruction blocking motor • Motor harness damaged, defective • Motor defective
Remedy:
Code: 522
Description: Fusing Unit Drive Motor Error After the motor started, the fusing motor lock signal remained HIGH for 5 sec.
Causes: • Physical obstruction blocking motor • Motor harness damaged, defective • Motor defective
Remedy:
Code: 530
Description: Fusing Unit Ventilation Fan Error After the motor started, the fan motor lock signal remained HIGH for 5 sec.
Causes: • Physical obstruction blocking motor • Motor harness damaged, defective • Motor defective
Remedy:
Code: 541
Description: Fusing Thermistor Errors. The thermistor measured the hot roller temperature every 1 sec. for 30 sec. and the temperature remained below 5C (54F).
Description: Fusing Temperature Warm-up Error The hot roller did not reach the ready temperature within 4 min. 30 sec. after power on. -or- After 5 sec. and 5 rotations of the hot roller, the machine detected that the temperature rise was less than 3C .
Causes: • Fusing lamp connections loose, broken, defective • Fusing lamp defective • Thermistor not touching the hot roller • Thermistor defective • MCU defective
Remedy: The ready temperature is determined by the state of the machine at recovery: • Ready Temp. = Target Fusing Temp. (if power on or recovery starts when the hot roller is 80°C or higher). • Ready Temp. = Target Fusing Temp. – 10°C (SP1105-1 default) if power on or recovery starts when the hot roller is less that 80°C. • Ready Temp. = Target Fusing Temp. – 20°C (SP1937-3 default) if power on or recovery starts with pressure roller inching control on.
Code: 543
Description: Fusing Lamp Overheated: Error 1 The circuit on the MCU that monitors the temperature of the board detected a fusing temperature of 230C (446F) for longer than 2 sec.