• Code: 3300
• Description: Optical system (AGC) error When the value of a gain becomes more than FF or 89 or less at least one at the AGC processing instruction execution time for CCD lamps.
• Causes: LED lamp PWB. CCD PWB. Engine PWB. Main PWB
• Remedy: LED lamp PWB 1. To check the lamp, execute U061 CCD. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and CCD PWB (YC2) CCD PWB (YC1) and Engine PWB (YC29) Engine PWB (YC3) and Main PWB (YC64) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. If the LED lamp won’t light, replace the LED PWB and execut U411.
  CCD PWB Replace the ISU and execute U411.
  Engine PWB Replace the Engine PWB and execute U411.
  Main PWB Replace the main PWB.

• Code: 3310
• Description: CIS AGC error One of the gains is FF during the CCD lamp AGC is being processed.
• Causes: CIS. DPSHD PWB
• Remedy: CIS 1. Execute U906 Separating Operation Release. 2. To check the lamp, execute U061 CIS. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CIS and execute U091 and U411.
  DPSHD PWB Replace the DPSHD PWB.

• Code: 3500
• Description: Communication error between scanner and ASIC A wrong read-back value.
• Causes: Engine PWB. Main PWB
• Remedy: Engine PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Engine PWB (YC3) and Main PWB (YC64) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Engine PWB and execute U411.
  Main PWB Replace the main PWB.

• Code: 3600
• Description: Scanner sequence error
• Causes: Engine PWB
• Remedy: 1. Execute U021 memory initializing. 2. Replace the Engine PWB and execute U411.

• Code: 3800
• Description: AFE error When writing the data, read and write data does not match 3 times in succession.
• Causes: Engine PWB. CCD PWB
• Remedy: Engine PWB 1. Confirm that the FCC wiring connector is not distorted and connect the FCC wiring all the way in. CCD PWB (YC1) and Engine PWB (YC29) 2. If the FCC wiring is disconnected, replace the FCC wiring. 3. Replace the Engine PWB and execute U411.
  CCD PWB Replace the ISU and execute U411.

• Code: 3900
• Description: Backup memory read/write error (Engine PWB) Read and write data does not match.
• Causes: Backup memory (Engine PWB PWB)
• Remedy: 1. Turn the main power switch off and after 5 seconds, turn it on. 2. Replace the Engine PWB and execute U411.

• Code: 4001
• Description: Polygon motor synchronization error After polygon motor is driven, the ready signal does not turn to L within 10 s.
• Causes: Polygon motor (Laser scanner unit). Engine PWB.
• Remedy: Polygon motor (Laser scanner unit) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor and Engine PWB (YC28) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 4011
• Description: Polygon motor steady-state error After Polygon motor is stabilized, the ready signal is at the H level for 1 s continuously.
• Causes: Polygon motor (Laser scanner unit). Engine PWB
• Remedy: Polygon motor (Laser scanner unit) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Polygon motor and Engine PWB (YC5) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the laser scanner unit.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.