• Code: SC224
• Description: Laser Synchronization Detector Error: M Leading Edge: LD0
  While the polygon motor is rotating normally, no synchronizing detection signal is output for LD0 magenta, leading edge.
• Causes: • Harness between the laser synchronizing detector and I/F unit is disconnected, defective • Check all connections between LD unit, LDB, IPU • LD unit • LDB defective • IPU defective

• Code: SC225
• Description: Laser Synchronization Detector Error: M Leading Edge (Not LD0)
  While the polygon motor is rotating normally, no synchronizing detection signal is output for magenta, leading edge for any LD other than LD0.
• Causes: • Harness between the laser synchronizing detector and I/F unit is disconnected, defective • Check all connections between LD unit, LDB, IPU • LD unit • LDB defective • IPU defective

• Code: SC226
• Description: Laser Synchronization Detector Error: C Leading Edge: LD0
  While the polygon motor is rotating normally, no synchronizing detection signal is output for LD0 cyan, leading edge.
• Causes: • Harness between the laser synchronizing detector and I/F unit is disconnected, defective • Check all connections between LD unit, LDB, IPU • LD unit • LDB defective • IPU defective

• Code: SC227
• Description: Laser Synchronization Detector Error: C Leading Edge (Not LD0)
  While the polygon motor is rotating normally, no synchronizing detection signal is output for cyan, leading edgefor any LD other than LD0.
• Causes: • Harness between the laser synchronizing detector and I/F unit is disconnected, defective • Check all connections between LD unit, LDB, IPU • LD unit • LDB defective • IPU defective

• Code: SC230
• Description: FGATE error: Feedback remains HIGH for K write
  After the start of timing to create the black image, the PFGATE register of the GAVD did not assert
• Causes: • Harness between the VBCU and LDB unit disconnected, loose, or defective. • LD unit defective • IPU defective • Controller board disconnected, defective • HDD defective

• Code: SC231
• Description: FGATE error: Feedback remains LOW for K write
  After the start of timing to create the black image, the PFGATE register of the GAVD did not assert.
• Causes: • Harness between the VBCU and LDB unit disconnected, loose, or defective. • LD unit defective • IPU defective • Controller board disconnected, defective • HDD defective

• Code: SC232
• Description: FGATE error: Feedback remains HIGH for Y write
  After the start of timing to create the yellow image, the PFGATE register of the GAVD did not assert.
• Causes: • Harness between the VBCU and LDB unit disconnected, loose, or defective. • LD unit defective • IPU defective • Controller board disconnected, defective • HDD defective

• Code: SC233
• Description: FGATE error: Feedback remains LOW for Y write
  After the start of timing to create the yellow image, the PFGATE register of the GAVD did not assert.
• Causes: • Harness between the VBCU and LDB unit disconnected, loose, or defective. • LD unit defective • IPU defective • Controller board disconnected, defective • HDD defective