• Code: 202
• Description: Polygon motor error
  The polygon motor does not reach its operating speed within 10 seconds after the polygon motor on signal, or the lock signal is not detected for more than a certain time during operation.
• Causes: • Polygon motor • Polygon motor cable

• Code: 220
• Description: 1st laser synchronization error
  The laser synchronization detector cannot detect the laser synchronization signal for more than 5 consecutive 100 ms intervals.
• Causes: • Laser synchronization detector board out of position • Laser synchronization detector board or cable defective • Laser synchronization mirror out of position • LD unit defective • Engine board defective

• Code: 221
• Description: 2nd laser synchronization error
  The 1st LD1 is already on, but the laser synchronization detector cannot detect the laser synchronization signal from the 2nd LD for more than 5 consecutive 100 ms intervals.
• Causes: • Laser synchronization detector board out of position • LD unit defective • Engine board defective

• Code: 230
• Description: FGATE error
  The FGATE signal cannot be detected for 1 second after the machine has sent a start trigger. The FGATE signal is still detected for 13 seconds after the machine has detected the FGATE signal.
• Causes: • Engine board defective • Controller board defective • Harness broken

• Code: 240
• Description: LD error
  The machine detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
• Causes: • Worn-out LD unit • Disconnected or broken harness of the LD unit • LD unit defective

• Code: 300
• Description: Charge roller current leak
  60% or more of the PWM duty output is detected for 0.2 seconds when the charge bias is generated by the charge roller.
• Causes: • Cartridge (charge roller) defective • High voltage supply board defective

• Code: 330
• Description: Development bias leak
  60% or more of the PWM duty output is detected for 0.2 seconds when the development bias is generated by the development roller.
• Causes: • Cartridge (development roller) defective • High voltage supply board defective

• Code: 520
• Description: Main motor lock
  A main motor lock signal is not detected for more than 700 ms after the main motor starts to rotate, or the lock signal is not detected for more than a certain time during rotation after the last signal.
• Causes: • Main motor defective • Harness broken • Too much load on the drive mechanisme