SC202-00

D

Polygon motor ON timeout error

After the polygon motor turned on, or within 15 sec. after the rpm’s changed, the motor did not enter READY status.

Note: There are no replaceable parts in the laser unit. If any part is defective, the laser unit must be replaced.

  • Polygon motor drive board I/F connector loose, broken, defective
  • Polygon motor or polygon motor driver motor defective.
  • Polygon motor pulse not output correctly, or no XSCRDY signal detected due to defective motor control board.
  • Cycle the machine off/on
  • Replace polygon motor
  • Replace IPU
  • Replace the laser unit

SC203-00

D

Polygon Motor OFF Timeout Error

The polygon motor lock signal (XSCRDY signal) failed to unlock (go HIGH) within 3 sec. after the polygon motor went OFF.

  • Polygon motor drive board I/F connector loose, broken, defective
  • Polygon motor or polygon motor driver motor defective.
  • Polygon motor pulse not output correctly, or no XSCRDY signal detected due to defective motor control board.
  
  • Cycle the machine off/on
  • Replace polygon motor
  • Replace IPU
  • Replace the laser unit

SC204-00

D

Polygon motor error

A error was detected in the rotation of the motor.

  • Polygon motor drive board I/F connector loose, broken, defective
  • Polygon motor or polygon motor driver motor defective.
  • Cycle the machine off/on
  • Replace polygon motor harness
  • Replace laser unit

SC210-00

C

Trailing edge beam error

The calculated magnification rate between two points was not within specification.

  • Beam detection unit I/F harness loose, broken, defective
  • Beam detection defective
  • Beam photo-detector not functioning
  • IPU defective
  • LD driver defective
  • LDB defective
  • BCU defective
  • Cycle the machine off/on
  • Replace IPU
  • Replace BCU
  • Replace laser unit

SC220-00

D

Laser synchronization detection error

A signal was not output from the LSDB after more than 100 ms (100 ms x2) after the LD fired.

  • Synchronization detection unit I/F harness loose, broken, defective
  • Synchronization detection unit defective
  • Beam photo-detector out of alignment
  • Image write ASIC defective
  • LD driver defective
  • LDB defective
  • BCU defective
  • Cycle the machine off/on]
  • Replace IPU
  • Replace BCU
  • Replace laser unit

SC230-00

D

FGATE failed to go ON

The FGATE signal did not go ON within the 250 ms after printing started.

  • IPU write error
  • Poor connection between BCU, controller board
  • BCU, IPU or controller board defective
  • Harness from BCU to LDB loose, broken, defective
  • Cycle the machine off/on
  • Replace IPU
  • Replace BCU
  • Replace controller board
  • Replace LDB harness

SC231-00

D

FGATE failed to go OFF

After the FGATE signal went on, it failed to go OFF within the prescribed time.

  • Write ASIC defective
  • Image processing ASIC defective
  • Cycle the machine off/on
  • Replace IPU

SC240-00

D

LD Error

When the LD initialized, the LD error status was asserted twice for the LD driver.

  • LD deteriorated, defective
  • LDB harness loose, broken, defective
  • LD drive board defective
  • Cycle the machine off/on
  • Replace LDB harness

SC270-00

D

BCU-LDB communication error

At start up there was a communication error between the BCU and LDB

  • Write ASIC defective
  • ASIC on BCU (HORUS) defective
  • BCU, IPU defective
  • Harness loose, broken, defective
  • Cycle the machine off/on
  • Replace IPU
  • Replace BCU
  • Replace LDB harness
  • Replace laser unit

SC270-10

D

BCU-LDB communication error: Other

At startup, the machine did not detect the ASIC

  • Write ASIC defective
  • ASIC (HORUS) on BCU defective
  • IPU, BCU defective
  • Harness defective
  • Interlock switch defective
  • Cycle the machine off/on
  • Replace LDB harness
  • Replace IPU
  • Replace BCU
  • Replace laser unit

SC274-00

D

Image transfer error

The image transfer data generated an error.

  • Harness defective
  • LDB defective
  • IPU defective
  • Write ASIC defective
  • Cycle the machine off/onn
  • Replace LDB harness
  • Replace IPU
  • Replace laser unit

SC276-00

D

APC chip communication error

The APC chip on the LDB is not responding.

  • LDB defective
  • Cycle the machine off/on
  • Replace the laser unit