Description: Heating roller lamp consecutive full power 2 When the fusing unit is not running in the ready condition, the pressure rollerfusing lamp keeps ON full power for 8 seconds or more.
Remedy: 1. Replace the heating roller thermostat. 2. Replace the heating roller fusing lamp.
Code: 557
Description: Zero cross frequency error When the zero cross signal is 66 or more and it is detected 10 times or more in 11 detections, the machine determines that input 60 Hz and SC557 occurs.
Causes: Noise (High frequency)
Remedy: Check the power supply source.
Code: 559
Description: Consecutive fusing jam The paper jam counter for the fusing unit reaches 3 times. The paper jam counter is cleared if the paper is fed correctly. This SC is activated only when SP1159-001 is set to "1" (default "0").
Causes: Paper jam in the fusing unit.
Remedy: Remove the paper that is jammed in the fusing unit. Then make sure that the fusing unit is clean and has no obstacles in the paper feed path.
Code: 561
Description: Pressure roller thermister error 3 The temperature measured by the pressure roller thermistor (center) does not reach 0°C for 20 seconds.
Remedy: 1. Check that the pressure roller thermistor (center)is firmly connected. 2. Replace the pressure roller thermistor (center).
Code: 563
Description: Pressure roller overheat 3 (software error) The detected fusing roller temperature stays at 230°C or more for 1 second.
Causes: • Defective PSU • Defective BCU
Remedy: 1. Replace the pressure roller thermistor (center). 2. Replace the PSU. 3. Replace the BCU.
Code: 564
Description: Pressure roller overheat 3 (hardware error) The pressure roller thermistor (center) detects 250°C or more.
Causes: • Defective PSU • Defective BCU • Defective pressure roller thermistor (center) • Defective fusing control system
Remedy: 1. Replace the pressure roller thermistor (center). 2. Replace the PSU. 3. Replace the BCU.
Code: 565
Description: Pressure roller fusing lamp consecutive full power 3 When the fusing unit is not running in the ready condition, the pressure roller fusing lamp keeps ON full power for 30 seconds or more.
Remedy: 1. Replace the pressure roller fusing lamp. 2. Replace the pressure roller thermostat. 3. Replace the PSU.
Code: 622
Description: 2nd paper bank (option) communication error • While the bridge board communicates with an optional unit, an SC code is displayed if one of following conditions occurs. • The bridge board receives the break signal which is generated by the peripherals only just after the main switch is turned on. • When the bridge board does not receive an OK signal from a peripheral 100ms after sending a command to it. The bridge board resends the command. The bridge board does not receive an OK signal after sending the command 3 times.
Causes: • Cable problems • Bridge board problems • BCU problems • PSU problems in the machine • Main board problems in the peripherals
Remedy: 1. Check if the cables of peripherals are correctly connected. 2. Replace the bridge board or main board of peripherals. 3. Replace the BCU if no power is supplied to peripherals.