Ricoh MP2851

• Code: 165
• Description: Copy Data Security Unit error
  An error occurred when the machine attempted to recognize the Copy Data Security Unit board.
• Causes: • Check installation of Copy Data Security (CDS) Unit • CDS unit not correct type for the machine • CDS unit defective

• Code: 202
• Description: Polygon motor error 1: ON timeout
  The polygon mirror motor did not reach the targeted operating speed within 10 sec. after turning on or changing speed
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective

• Code: 203
• Description: Polygon motor error 1: OFF timeout
  The polygon mirror motor did not leave READY status within 3 sec. after polygon motor switched off.
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective

• Code: 204
• Description: Polygon motor error 1: XSCRDY signal error
  The XSCRDY signal remained HIGH for 200 ms while the LD unit was firing.
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser optic unit defective • IPU defective

• Code: 220
• Description: Laser synchronization detection error: LD0
  The laser synchronizing detection signal for the start position of the LD was not output for two sec. after LDB unit turned on with the polygon motor rotating normally.
• Causes: • Laser synchronizing detection board harness loose or broken. • Laser synchronization detection board defective • LDB unit defective • IPU defective

• Code: 230
• Description: FGATE ON error
  The FGATE signal did not assert within the prescribed time. (The BCU generates the FGATE signal and sends it to the LD unit when the registration sensor switches on.)
• Causes: • BCU, Controller board harness loose or broken • BCU defective • Controller board defective