• Code: 235
• Description: FGATE OFF error: C • The PFGATE ON signal still asserts within the prescribed time after processing the image in normal job or MUSIC for end position C.
• Causes: • Poor connection between BCU and IPU • Defective IPU
• Remedy: 1. Check the connection between the BCU and the IPU. 2. Replace the IPU.

• Code: 236
• Description: FGATE ON error: M The PFGATE ON signal does not assert within 20 ms after processing the image in normal job or MUSIC for start position M.
• Causes: • Poor connection between BCU and IPU • Defective IPU
• Remedy: 1. Check the connection between the BCU and the IPU. 2. Replace the IPU.

• Code: 237
• Description: FGATE OFF error: M • The PFGATE ON signal still asserts within the prescribed time after processing the image in normal job or MUSIC for end position M.
• Causes: • Poor connection between BCU and IPU • Defective IPU
• Remedy: 1. Check the connection between the BCU and the IPU. 2. Replace the IPU.

• Code: 240
• Description: LD error: Bk. The IPU detects excessive current (100 mA or more) while the LDB unit is firing.
• Causes: • Poor connection between laser unit and IPU • Poor connection around PSU-G and FIB • Worn-out LD • Defective LD board
• Remedy: 1. Check the harness connection (laser unit and IPU). 2. Check the harness connection of PSU-G and FIB 3. Replace the laser unit.

• Code: 241
• Description: LD error: C. The IPU detects excessive current (100 mA or more) while the LDB unit is firing.
• Causes: • Poor connection between laser unit and IPU • Poor connection around PSU-G and FIB • Worn-out LD • Defective LD board
• Remedy: 1. Check the harness connection (laser unit and IPU). 2. Check the harness connection of PSU-G and FIB 3. Replace the laser unit.

• Code: 242
• Description: LD error: M. The IPU detects excessive current (100 mA or more) while the LDB unit is firing.
• Causes: • Poor connection between laser unit and IPU • Poor connection around PSU-G and FIB • Worn-out LD • Defective LD board
• Remedy: 1. Check the harness connection (laser unit and IPU). 2. Check the harness connection of PSU-G and FIB 3. Replace the laser unit.

• Code: 243
• Description: LD error: Y. The IPU detects excessive current (100 mA or more) while the LDB unit is firing.
• Causes: • Poor connection between laser unit and IPU • Poor connection around PSU-G and FIB • Worn-out LD • Defective LD board
• Remedy: 1. Check the harness connection (laser unit and IPU). 2. Check the harness connection of PSU-G and FIB 3. Replace the laser unit.

• Code: 250
• Description: Laser synchronizing detection error: Start position [Y]: 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.