Description: Fusing jam error: 3 counts
At the fusing exit sensor the paper jam is detected late for three pulse counts (lag error) when SP1913-001 is set to "1: Yes".
Causes: • Obstacle in the paper transport path • Fusing unit installed incorrectly • Fusing unit defective
Code: 620
Description: Communication error - GAVD
The engine board detects an unknown device.
Causes: • Engine board defective
Code: 622
Description: Communication error - PFU
Three consecutive errors are detected during polling after the PFU is successfully detected by the machine.
Causes: • Noise • Harness connection disconnected between the machine and PFU
Code: 641
Description: Engine to controller communication error (no answer).
Causes: • Examine the connection between the controller and the engine board. • Replace the engine board if the error is frequent.
Code: 669
Description: EEPROM error
The EEPROM error is detected at reading the prefix of the EEPROM address after power-on or recovery from the energy saver mode.
Causes: • EEPROM not installed or incorrectly installed • EEPROM defective
Description: PER-command error
The machine does not receive PAPI-PER command for s10 seconds after PAPI-PES has been issued.
Causes: • Controller board defective
Code: 688
Description: Ready notification error of image data transmission
The controller does not send a ready notification of image data transmission after a sheet of paper has stopped at the registration roller.
Causes: • Controller board defective • Communication error