• Code: 161-002
• Description: IPU Error 2 The machine does not detect RI answer from BICU.
• Causes: • Harness between SBU and BICU loose or broken • BICU defective • SBU defective
• Remedy:

• 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
• Remedy:

• Code: 195
• Description: Serial Number Mismatch Serial number stored in the memory does not have the correct code.
• Causes: • NVRAM defective • BCU replaced without original NVRAM
• Remedy: 1. Reinstall the original NVRAM in the replaced BCU. 2. Turn off and on the main power switch of the copier if a new NVRAM is installed in the BCU.

• 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 unit defective • BICU defective
• Remedy:

• 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 unit defective • BICU defective
• Remedy:

• Code: 204
• Description: Polygon motor error 1: XSCRDY signal error The XSCRDY signal remained HIGH four times consecutively while the LD unit was firing.
• Causes: • Polygon motor/driver board harness loose or broken • Polygon motor/driver board defective • Laser unit defective • BICU defective
• Remedy:

• Code: 220
• Description: Laser synchronization detection error 1: LD0 The laser synchronizing detection signal for the start position of the LD was not output for 500 ms 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 • BICU defective
• Remedy:

• Code: 221
• Description: Laser synchronization detection error 2: Other than LD0 The laser synchronizing detection signal for the start position of the LD other than LD0 was not output for 500 ms 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 • BICU defective
• Remedy: