• Code: 312.922
• Description: Paper at Gate Sensor (Buffer Path Job). Control logic reports paper at the Gate Sensor.
• Remedy: • Check for obstructions in the paper path • Check the Finisher Drive Motor Gears and Drive rolls for wear or damage
  Enter dc330 Component Control [012-102], Gate Sensor (PL 24.43 Item 19). Select Start. Actuate the Gate Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Transport, Top Tray Gating. Check the circuit of the Gate Sensor. Refer to the Transmissive Sensor RAP for troubleshooting procedure. Select Stop. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged. • Check the Finisher is docked properly • Check the Finisher Transport Motor and its associated gears and belts for damage, contamination or misalignment. If the above checks are OK, then replace the Gate Sensor. If the problem persists, replace the Finisher Main PWB.

• Code: 312.923
• Description: H-Transport Entrance Sensor Static Jam. During standby, paper was detected by the H-Transport Entrance Sensor.
• Remedy: Check the paper path. If no paper is found continue with this RAP.
  Execute dc330 Component Control [012-190], H-Transport Entrance Sensor. Actuate the HTransport Entrance Sensor (PL 23.4 Item 6). The display changes. Y↓ N→Check the wire between P/J8861 pin 2 and J8987 pin 6 for an open or short circuit, or a loose or damaged connector. The wire is OK. Y↓ N→Repair/reconnect as required. Measure the voltage between J8987, pins 4 and 5 on the Finisher PWB (Finisher Paper Transportation). The voltage is approx. +5VDC. Y↓ N→Replace the Finisher PWB (PL 23.16). Measure the voltage between J8987, pin 6 on the Finisher PWB and GND (Finisher Paper Transportation). Actuate the H-Transport Entrance Sensor. The voltage changes. Y↓ N→Replace the H-Transport Entrance Sensor (PL 23.4). Replace the Finisher PWB. If the problem continues, replace the Finisher PWB.

• Code: 312.925
• Description: Stacker Lower Safety Warning. Stack Height Sensor 1 Off is not detected 500ms after the stacker starts going down and this occurs three times.
• Remedy: Check for obstacles in the under the Stacker Tray. The problem is resolved. Y↓ N→Enter dc330 Component Control [012-264] Stacker Height Sensor 1. Select Start. Move the Stacker Tray manually. The display changes. Y↓ N→Go to Finisher Stack Height Detection. Check the circuit of Stack Height Sensor 1 (PL 24.31 Item 13). If the Sensor and wiring are OK, replace the Finisher Main PWB. Select Stop. Replace the Finisher Main PWB. If the problem continues, replace the Finisher Main PWB.

• Code: 312.932
• Description: Paper Remain at Gate Sensor (Compiler Path Job). Control logic reports paper at the Gate Sensor.
• Remedy: • Check for obstructions in the paper path. • Check the Finisher Drive Motor Gears and Drive rolls for wear or damage.
  Enter dc330 Component Control [012-102], Gate Sensor (PL 24.43 Item 19). Select Start. Actuate the Gate Sensor. The display changes. Select Stop. Go to Finisher Transport, Top Tray Gating. Check the circuit of the Gate Sensor. Refer to the Transmissive Sensor RAP for troubleshooting procedure. Select Stop. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged. • Check the Finisher is docked properly. • Check the Finisher Transport Motor and its associated gears and belts for damage, contamination or misalignment. If the above checks are OK, then replace the Gate Sensor. If the problem persists, replace the Finisher Main PWB.

• Code: 312.935
• Description: Paper at Transport Entrance Sensor. Control logic reports paper at the Transport Entrance Sensor.
• Remedy: • Check for obstructions in the paper path • Check that the Finisher is docked correctly to ensure proper Transport Gate operation
  Enter dc330 Component Control [012-100], Transport Entrance Sensor (PL 24.41 Item 19). Select Start. Actuate the Transport Entrance Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Transport, Top Tray Gating. Check the circuit of the Transport Entrance Sensor. Refer to the Transmissive Sensor RAP for troubleshooting procedure. Select Stop. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged. • Check the H-Transport Motor and its associated gears and belts for damage, contamination or alignment. • Check the Finisher Transport Motor and its associated gears and belts for damage, contamination or alignment. If the above checks are OK, then replace the Transport Entrance Sensor. If the problem persists, replace the Finisher Main PWB.

• Code: 312.935
• Description: Paper at Finisher Entrance Sensor. Control logic reports paper at the Finisher Entrance Sensor.
• Remedy: • Check for obstructions in the paper path • Check that the Finisher is docked correctly to ensure proper Transport Gate operation.
  Enter dc330 Component Control [012-100], Finisher Entrance Sensor. Select Start. Actuate the Finisher Entrance Sensor. The display changes. Y↓ N→Check the wire between J8868 pin 2 and P/J8988 pin 2 for an open or short circuit, or a loose or damaged connector. The wire is OK. Y↓ N→Repair/reconnect as required. Measure the voltage between P/J8988 pins 3 and 1 on the Finisher PWB (Finisher Paper Transportation). The voltage is approx. +5VDC. Y↓ N→Replace the Finisher PWB. Measure the voltage between P/J8988 pin 2 on the Finisher PWB and GND (Finisher Paper Transportation). Actuate the Finisher Entrance Sensor. The voltage changes. Y↓ N→Replace the Finisher Entrance Sensor (PL 23.14 Item 10). Replace the Finisher PWB. Replace the Finisher PWB.

• Code: 312.936
• Description: Paper Remain In Booklet Sensor. The Booklet In Sensor detects paper present.
• Remedy: • Check for obstructions in the paper path. • Check that the Finisher is dock correctly to ensure proper Transport Gate operation. • Check the Booklet In Sensor (PL 24.57 Item 5) for obstructions. • Check for transportation failure of non-standard paper. • Check the Booklet In Roll for wear or damage.
  Enter dc330 Component Control [013-135], Booklet In Sensor (PL 24.57 Item 5). Select Start. Actuate the Booklet In Sensor. The display changes. Y↓ N→Go to Booklet Transportation. Check the circuit of the Booklet In Sensor. Refer to the Transmissive Sensor RAP for troubleshooting procedure. Select [013-068] and/or [013-069], Booklet Gate Solenoid (PL 24.42 Item 9). Select Start. The Booklet Gate Solenoid actuates. Y↓ N→Select Stop. Go to Finisher Booklet/ Punch Transport. Check the circuit of the Booklet Gate Solenoid. Refer to the Set Gate Solenoid Open RAP for troubleshooting procedure. Select [013-064], Booklet Paper Path Motor (PL 24.58 Item 4). Select Start. The motor energizes. Y↓ N→Select Stop. Go to Booklet Drive. Check the circuit of the Booklet Paper Path Motor. Refer to the Multiple Wire Motor RAP for troubleshooting procedure. Select Stop. Check the following: • Ensure that the connectors shown in the circuit diagrams are securely connected and that the wires are not damaged. • Check the H-Transport Motor and its associated gears and belts for damage, contamination or alignment. • Check the Booklet Paper Path Motor and its associated gears and belts for damage, contamination or alignment. If the above checks are OK, then replace the Booklet In Sensor (PL 24.57 Item 5). If the problem persists, replace the Finisher Main PWB.

• Code: 312.944
• Description: Stacker Set Over Full The Staple Set Count exceeded the maximum number of sheets on the Stacker Tray during the Staple Set Eject operation.
• Remedy: Remove all paper from the Stacker. Perform the job again. The problem is resolved Y↓ N→Replace the Finisher Main PWB. Check the following: • Eject Motor Gears for wear or damage. • Paddle Shaft and Paddles for wear or damage.