Description: Fusing paper jam errors Three consecutive paper jam errors occurred in the fusing unit. Note: This SC code is not issued unless SP1159 is switched on.
Causes: • Paper jam in fusing unit • Pick-off pawl defective • Paper scraps in fusing unit • Exit sensor defective
Remedy:
Code: 561
Description: Pressure roller end thermistor error 1. During the hot roller temperature control sequence, or while the hot roller and pressure roller were rotating, the center thermistor on the pressure roller returned a digital reading of more than 3.3V.
Causes: • Pressure roller center thermistor not positioned properly • Pressure roller center thermistor connector loose, broken, defective • Pressure roller end thermistor defective • MCU defective
Remedy:
Code: 563
Description: Pressure roller end thermistor error 2. During the hot roller temperature control sequence, the end thermistor on the pressure roller returned a digital reading of less than 0.2V.
Causes: • Pressure roller end thermistor connector loose • Pressure roller end thermistor short circuit, defective • MCU defective
Remedy:
Code: 632
Description: Key/card counter device error 1 CTL After 1 data frame is sent to the device, an ACK signal is not received within 100 ms, and is not received after 3 retries.
Causes: • Serial line from the device to the main machine is unstable, disconnected, or defective
Remedy:
Code: 633
Description: Key/card counter device error 2 CTL During communication with the device, the MCU received a break (Low) signal.
Causes: • Serial line from the device to the main machine is unstable, disconnected, or defective
Remedy:
Code: 634
Description: Key/card counter device error 3 CTL The backup battery of the counter device RAM is low.
Causes: • No expanded authentication module in the machine. (Install expanded authentication module.) • Expanded authentication module file is corrupted. • Expanded authentication module SD card is damaged. • No DESS module in the machine. (Install DESS module.)