• Code: 251
• Description: Laser synchronizing detection error: Start position [M]: LD1. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 252
• Description: Laser synchronizing detection error: Start position [C]: LD1. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 253
• Description: Laser synchronizing detection error: Start position [K]: LD1. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 254
• Description: Laser synchronizing detection error: Start position [Y]: LD2. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 255
• Description: Laser synchronizing detection error: Start position [M]: LD2. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 256
• Description: Laser synchronizing detection error: Start position [C]: LD2. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 257
• Description: Laser synchronizing detection error: Start position [K]: LD2. The laser synchronizing detection signal for the start position of the LDB [Y], [M], [C] or [K] is not detected while the LDB unit is in the READY state.
• Causes: • Disconnected or defective harness to synchronizing detector for start position • Defective laser synchronizing detector for start position • Defective LDB
• Remedy: 1. Check the harness connection between IPU and laser unit or around OPI. 2. Check the connectors inside the laser unit. 3. Replace the laser synchronizing detector for start position. 4. Replace the laser unit.

• Code: 258
• Description: Laser synchronizing detection error: End position [Y]. The laser synchronizing detection signal for the end position of LDB [Y], [M], [C] or [K] is not detected when detecting the main scan length.
• Causes: • Disconnected or defective harness to synchronizing detector for end position • Defective synchronizing detector board for end position
• Remedy: 1. Check the harness connection to the laser synchronizing detector. 2. Replace the laser synchronizing detector for end position.