SC202

Polygon motor error 1: ON timeout

The polygon mirror motor does not reach the targeted operating speed within 5 sec. after turning on or changing speed.

SC203

Polygon motor error 2: OFF timeout

The polygon mirror motor does not leave the READY status within 3 sec. after the polygon motor switched off.

SC204

Polygon motor error 3: XSCRDY signal error

The SCRDY_N signal remains HIGH for 200 ms while the LD unit is firing.

  • Polygon motor/driver board harness loose or disconnected
  • Polygon motor/driver board defective
  • Laser optics unit defective
  • IPU (EGB) defective
    1. Replace the interface harness of the laser optics unit.
    2. Replace the laser optics unit.
    3. Replace the EGB (Engine Board).

SC220

Laser Synchronizing Detection Error: [K]/[Y]

The laser synchronizing detection signal for LDB [K]/[Y] is not output after the LDB unit has turned on while the polygon motor is rotating normally.

SC222

Laser Synchronizing Detection Error: [M]/[C]

The laser synchronizing detection signal for LDB [M]/[C] is not output after the LDB unit has turned on while the polygon motor is rotating normally.

  • Disconnected cable from the laser synchronizing detection unit or defective connection
  • Defective laser synchronizing detector
  • Defective LDB
  • Defective EGB
    1. Check the connectors.
    2. Replace the laser optics unit.
    3. Replace the EGB.

SC240

LD error

The IPU (EGB) detects a problem at the LD unit.

  • Worn-out LD
  • Disconnected or broken harness of the LD.
  1. Replace the laser optics unit.