• Code: SC203-00
• Description: Polygon Motor: OFF Timeout Error The XSCRDY signal (polygon ready) never becomes inactive (H) within 3 sec. after the polygon motor went OFF.
• Causes: • The interface harness to the polygon motor driver damaged or not connected correctly. • Polygon motor or polygon motor driver defective • Polygon motor drive pulse cannot be output correctly. (Polygon controller) • XSCRDY signal observation failing (Polygon controller)
• Remedy: • Turn the power off/on • Replace the LSU or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC204-00
• Description: Polygon Motor: XSCRDY Signal Error During polygon motor rotation, the XSCRDY signal was inactive (H) for longer than one rotation of the polygon.
• Causes: • The interface harness to the polygon motor driver damaged or not connected correctly. • Polygon motor or polygon motor driver defective
• Remedy: • Turn the power off/on • Replace the LSU or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC220-01
• Description: Leading Edge: LD1 synchronization detection error: Bk The leading edge LD0 synchronization detection signal of the corresponding color was not output within T1 sec. while the polygon mirror motor was operating at normal speed.
• Causes: • The interface harness to the synchronization detection unit damaged or not connected correctly. • Synchronization detection board defective • Beam does not enter photo detector. • Abnormality around GAVD • IDB (LED driver) defective • LDB defective • BCU defective
• Remedy: • Turn the power off/on • Replace the LSU or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC220-04
• Description: Leading Edge: LD1 synchronization detection error: Ye The leading edge LD0 synchronization detection signal of the corresponding color was not output within T1 sec. while the polygon mirror motor was operating at normal speed.
• Causes: • The interface harness to the synchronization detection unit damaged or not connected correctly. • Synchronization detection board defective • Beam does not enter photo detector. • Abnormality around GAVD • IDB (LED driver) defective • LDB defective • BCU defective
• Remedy: • Turn the power off/on • Replace the LSU or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC230-01
• Description: FGATE ON error: Bk The FGATE signal did not turn ON within T1 sec. after the writing process of the corresponding color started.
• Causes: • GAVD defective • Image processing ASIC defective • BCU, controller board not connected correctly or defective • Harness between IPU and LDB defective
• Remedy: • Turn the power off/on • Replace the IPU board • Replace the controller board

• Code: SC230-02
• Description: FGATE ON error: Cy The FGATE signal did not turn ON within T1 sec. after the writing process of the corresponding color started.
• Causes: • GAVD defective • Image processing ASIC defective • BCU, controller board not connected correctly or defective • Harness between IPU and LDB defective
• Remedy: • Turn the power off/on • Replace the IPU board • Replace the controller board

• Code: SC230-03
• Description: FGATE ON error: Ma The FGATE signal did not turn ON within T1 sec. after the writing process of the corresponding color started.
• Causes: • GAVD defective • Image processing ASIC defective • BCU, controller board not connected correctly or defective • Harness between IPU and LDB defective
• Remedy: • Turn the power off/on • Replace the IPU board • Replace the controller board

• Code: SC230-04
• Description: FGATE ON error: Ye The FGATE signal did not turn ON within T1 sec. after the writing process of the corresponding color started.
• Causes: • GAVD defective • Image processing ASIC defective • BCU, controller board not connected correctly or defective • Harness between IPU and LDB defective
• Remedy: • Turn the power off/on • Replace the IPU board • Replace the controller board