No.

Type

Error Name/Error Condition/Major Cause/Solution

SC202

D

Polygon mirror motor on timeout error

The polygon mirror motor does not reach the targeted operating speed within 10 sec. after turning on.
  • Polygon mirror motor/LD driver board harness loose or disconnected
  • Polygon mirror motor/LD driver board defective
  1. Turn the power OFF and ON.
  2. Replace the polygon mirror motor/ laser unit.
  3. Replace the interface harness of the laser unit.
  4. Replace the main board.

No.

Type

Error Name/Error Condition/Major Cause/Solution

SC203

D

Polygon mirror motor off timeout error

The polygon mirror motor does not leave the READY status within 20 sec. after the polygon mirror motor was switched off.
  • Polygon mirror motor/LD driver board harness loose or disconnected
  • Polygon mirror motor/LD driver board defective
  1. Turn the power OFF and ON.
  2. Replace the polygon mirror motor/ laser unit.
  3. Replace the interface harness of the laser unit.
  4. Replace the main board.

No.

Type

Error Name/Error Condition/Major Cause/Solution

SC204

D

Polygon mirror motor lock signal error

The signal remains HIGH for 0.2 sec. (or 4 times in 50msec of polling) while the polygon mirror motor is rotating.
Polygon mirror motor/LD driver board defective
  1. Turn the power OFF and ON.
  2. Replace the polygon mirror motor/ laser unit.
  3. Replace the interface harness of the laser unit.

No.

Type

Error Name/Error Condition/Major Cause/Solution

SC220

D

Beam synchronization error

The laser synchronization detection signal for the LD is not output within 0.4 sec. after the laser unit has turned on.
  • Disconnected cable from the laser synchronization detector defective connection
  • Defective laser synchronization detector/ main board
  • The beam does not enter the laser synchronization detector
  1. Turn the power OFF and ON.
  2. Replace the polygon mirror motor/ laser unit.
  3. Replace the interface harness of the laser unit.
  4. Replace the main board.

No.

Type

Error Name/Error Condition/Major Cause/Solution

SC268

D

Laser unit thermistor error

  • The laser unit thermistor detected a temperature lower than -30°C for more than 4 sec.
  • The laser unit thermistor detected a temperature higher than 105°C for more than 1 sec.
  • Thermistor disconnected (causes an extremely low temperature reading)
  • Defective harness
  • Defective main board
  1. Turn the power OFF and ON.
  2. Replace the laser unit thermistor.