• Code: 312.945
• Description: Low Staples. The Low Staple Sensor turned On just before the Staple Motor started running.
• Remedy: • Stapler Head connectors for connection failure • Staple remaining amount
  Enter dc330 Component Control [012-242], Low Staple Sensor. Select Start. ‘LOW’ (staples available) is displayed. Y↓ N→Select Stop. Go to Finisher Stapler Control. Check continuity between the Stapler Head and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Stapler Assembly. If the problem continues, replace the Finisher Main PWB. If the problem continues, replace the Finisher Main PWB.

• Code: 312.946
• Description: Top Tray Full. The Top Tray Full Sensor was turned On for 10sec continuously.
• Remedy: • The Top Tray Full Sensor for improper installation • The Top Tray Full Sensor connectors for connection failure • The Top Tray Full Sensor Actuator for deformation and operation failure
  Enter dc330 Component Control [012-215], Top Tray Full Sensor, (PL 24.38 Item 9). Select Start. Actuate the Top Tray Full Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Top Tray Stacking Check continuity between the Top Tray Full Sensor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Top Tray Full Sensor. If the problem continues, replace the Finisher Main PWB. Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.948
• Description: Puncher Waste Bin Nearly Full. Cumulative punching count reached the specified times (2-hole punching: 5000 times, 4-hole punching: 2500 times).
• Remedy: Remove the Puncher Waste Bin (PL 24.32 Item 29) and discard its dust. Install the Puncher Waste Bin. The problem is resolved. Y↓ N→Enter dc330 Component Control [012-275], Puncher Set Sensor (PL 24.32 Item 6). Select Start. Remove and insert the Puncher Waste Bin. The display changes. Y↓ N→Select Stop. Go to Finisher Booklet/ Punch Transport. Check continuity between the Puncher Box Set Sensor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Puncher Box Set Sensor. If the problem continues, replace the Finisher Main PWB. Select Stop. Replace the Finisher Main PWB. Ensure the Puncher Waste Bin is installed properly.

• Code: 312.949
• Description: Puncher Waste Bin Open. The Puncher Waste Bin Set Sensor detected Off (No Puncher Waste Bin).
• Remedy: • The Puncher Waste Bin Set Sensor for improper installation • The Puncher Waste Bin Set Sensor connectors for connection failure • The Puncher Waste Bin Actuator part for deformation and damage • The Guide for deformation • The Guide for a foreign substance
  Enter dc330 Component Control [012-275], Puncher Box Set Sensor (PL 24.32 Item 6). Select Start. Remove and insert the Puncher Waste Bin (PL 24.32 Item 29) manually. The display changes. Y↓ N→Select Stop. Go to Finisher Booklet/ Punch Transport. Check continuity between the Puncher Box Set Sensor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Puncher Box Set Sensor. If the problem continues, replace the Finisher Main PWB. Check the Puncher Waste Box Actuator and Guide for deformation. The Puncher Waste Bin can be removed and inserted properly. Y↓ N→Repair or replace the Puncher Waste Bin (PL 24.32 Item 29). Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.949
• Description: Punch Box Missing. Punch Box Set Sensor detected Punch Box to be missing.
• Remedy: • Ensure that the Punch Box (PL 23.2 Item 11) is present and installed properly
  Enter dc330 Component Control [012-275], Punch Box Set Sensor (PL 23.5 Item 5). Select Start. Remove and insert the Punch Box manually. The display changes. Y↓ N→Select Stop. Check continuity between the Punch Box Set Sensor J8866, P8863, and the Finisher PWB J8987. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Punch Box Set Sensor (PL 23.5 Item 5). If the problem continues, replace the Finisher PWB. Check the Punch Box Set Sensor Actuator and Punch Box Guide for deformation. The Punch Box can be removed and inserted properly. Y↓ N→Repair or replace the Punch Box (PL 23.2 Item 11). Select Stop. If the problem continues, replace the Finisher PWB.

• Code: 312.959
• Description: Full Stack Detected. Stacker No Paper Sensor On was detected during the Stacker Tray height adjusting operation.
• Remedy: • The Stacker No Paper Sensor for improper installation • The Stacker No Paper Sensor connectors for connection failure • The Elevator Motor for operation failure • The Elevator Motor connectors for connection failure
  Enter dc330 Component Control [012-061] Elevator Motor Down and [012-060] Elevator Motor UP (PL 24.31), alternately. Select Start. The Elevator Motor energizes. Y↓ N→Select Stop. Go to Finisher Stacker Drive. Check continuity between the Elevator Motor and Finisher PWB. The continuity check is OK, Y↓ N→Repair the open circuit or short circuit. Replace the Elevator Motor (PL 24.31 Item 26). If the problem continues, replace the Finisher PWB Select Stop. Select [012-262], Stacker No Paper Sensor (PL 24.31 Item 32). Select Start. Block/unblock the Stacker No Paper Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Stacker Drive. Check continuity between the Stacker No Paper Sensor and Finisher PWB. The continuity check is OK, Y↓ N→Repair the open circuit or short circuit. Replace the Stacker No Paper Sensor. If the problem continues, replace the Finisher PWB Select [012-263], Stacker Encoder Sensor (PL 24.31 Item 32). Select Start. Block/unblock the Stacker Encoder Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Stacker Drive Check continuity between the Stacker Encoder Sensor and Finisher PWB. The continuity check is OK, Y↓ N→Repair the open circuit or short circuit. Replace the Stacker Encoder Sensor. If the problem continues, replace the Finisher PWB Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.960
• Description: Full Stack Detected. Stacker No Paper Sensor On was detected during the Stacker Tray height adjusting operation.
• Remedy: • The Stacker No Paper Sensor for improper installation • The Stacker No Paper Sensor connectors for connection failure • The Elevator Motor for operation failure • The Elevator Motor connectors for connection failure
  Enter dc330 Component Control [012-061] Elevator Motor Down and [012-060] Elevator Motor UP (PL 24.31 Item 26), alternately. Select Start. The Elevator Motor energizes. Y↓ N→Select Stop. Go to Finisher Stacker Drive. Check continuity between the Elevator Motor and Finisher PWB. The continuity check is OK, Y↓ N→Repair the open circuit or short circuit. Replace the Elevator Motor (PL 24.31 Item 26). If the problem continues, replace the Finisher PWB Select [012-263], Stacker Encoder Sensor (PL 24.31 Item 32). Select Start. Block/unblock the Stacker Encoder Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Stacker Drive Check continuity between the Stacker Encoder Sensor and Finisher PWB. The continuity check is OK, Y↓ N→Repair the open circuit or short circuit. Replace the Stacker Encoder Sensor. If the problem continues, replace the Finisher PWB Select Stop. Select [012-262], Stacker No Paper Sensor (PL 24.31 Item 32). Select Start. Block/unblock the Stacker No Paper Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Stacker Drive Check continuity between the Stacker No Paper Sensor and Finisher PWB. The continuity check is OK, Y↓ N→Repair the open circuit or short circuit. Replace the Stacker No Paper Sensor. If the problem continues, replace the Finisher PWB Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.961
• Description: Mix Stack Detected.
• Remedy: • The Elevator Motor for operation failure • The Elevator Motor connectors for connection failure
  Enter dc330 Component Control [012-061] Elevator Motor Down and [012-060] Elevator Motor Up (PL 24.31 Item 26), alternately. Select Start. The Elevator Motor energizes. Y↓ N→Select Stop. Go to Finisher Stacker Drive. Check continuity between the Elevator Motor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Elevator Motor (PL 24.31 Item 26). If the problem continues, replace the Finisher Main PWB. Select Stop. If the problem continues, replace the Finisher Main PWB.