• Code: 312.965
• Description: Stapler Near Empty • Low Staple Sensor On is detected during power On and Interlock Close • Low Staple Sensor On is detected right before the Staple Head Close operation
• Remedy: Check the Staple Cartridge. If the Staples are NOT low, go to the 312.291 (SB) RAP.

• Code: 312.966
• Description: Scratch Sheet Compile. Paper was detected that was either out of specification, in poor condition (wrinkled, curled) and was ejected to the compiler.
• Remedy: • Check that the Top Cover can be opened and closed. • Power Off/On.
  Check the specifications of paper. The paper is in spec. Y↓ N→Replace the paper with new paper that is in spec. Check the condition of the paper. The paper is in normal condition without any problem that causes the paper to be bent (dog eared) or jam. Y↓ N→Resolve any problem that causes the paper to be bent or caught. Check for a Fault Code. Another Fault Code is displayed. Y↓ N→If the problem continues, replace the Finisher PWB. Go to the appropriate Fault Code.

• Code: 312.969
• Description: IOT Center Tray Full. The H-Transport Entrance Sensor is detected to be On for 10 successive seconds.
• Remedy: Check the H-Transport Drive Rolls (PL 23.4) and Pinch Rolls (PL 23.3 Item 8) for wear or contamination. Check for obstructions or damage in the paper path. The Rolls and Paper Path are OK. Y↓ N→Clean or replace as required. 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 (Horizontal Paper Transportation). The voltage is approx. +5VDC. Y↓ N→Replace the Finisher PWB. Measure the voltage between J8987, pin 6 on the Finisher PWB and GND (Horizontal Paper Transportation). Actuate the H-Transport Entrance Sensor. The voltage changes. Y↓ N→Replace the H-Transport Entrance Sensor (PL 23.4 Item 6). Replace the Finisher PWB. Power Off. Open the H-Transport Top Cover. Cheat the H-Transport Interlock Sensor. Power On. The H-Transport Belt rotates. Y↓ N→Check the wires between P/J8862 on the H-Transport Motor and J8987 on the Finisher PWB for an open or short circuit, or a loose or damaged connector. The wires are OK. Y↓ N→Repair/reconnect as required. Measure the resistance of the H-Transport Motor between each pin J8862-1/2/5/6 (Horizontal Paper Transportation). The resistance is approx. 20 Ohm. Y↓ N→Replace the H-Transport Motor. Replace the Finisher PWB. If the problem persists, replace the H-Transport Motor. Check the H-Transport Entrance Sensor and H-Transport Motor circuits for an intermittent condition. If the problem continues, replace the Finisher PWB.

• Code: 312.978
• Description: Booklet Stapler NG. Error signal On and Ready signal On output from the Staple were detected after Booklet Stapling operation.
• Remedy: Check continuity between the Booklet PWB and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Staple. The problem resolved. Y↓ N→Replace the Booklet PWB (PL 24.51 Item 1). If the problem continues, replace the Finisher Main PWB. If the problem continues, replace the Finisher Main PWB.

• Code: 312.983
• Description: Booklet Tray Full was Detected. Booklet Tray Full was detected.
• Remedy: Remove all sets. Perform the job again. The problem is resolved. Y↓ N→Replace the Finisher Main PWB. If the problem continues, replace the Finisher Main PWB.

• Code: 312.984
• Description: Booklet Low Staple F. Booklet Stapler Low Staple Front signal was detected just before Stapling operation. Booklet Stapler Low Staple Front signal was detected at Power On, at initialization, or when the interlock was closed.
• Remedy: Supply the staples. The problem is resolved. Y↓ N→Enter dc330 Component Control [013-107], Booklet Low Staple Front. Select Start. ‘LOW’ (staples available) is displayed Y↓ N→Select Stop. Go to Booklet Staple Control. Check continuity between the Staple and Booklet PWB, and between the Booklet PWB and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Stapler Low Staple Front (PL 24.52). If the problem continues, replace the Finisher Main PWB. Select Stop. Replace the Finisher Main PWB. If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem continues, replace the Finisher Main PWB. If the problem persists, replace the Booklet PWB (PL 24.51 Item 1).

• Code: 312.989
• Description: Booklet Low Staple R. Booklet Stapler Low Staple Rear signal was detected just before Stapling operation. Booklet Stapler Low Staple Rear signal was detected at Power On, at initialization, or when the interlock was closed.
• Remedy: Supply the staples. The problem is resolved. Y↓ N→Enter dc330 Component Control [013-108], Booklet Low Staple Rear. Select Start. ‘LOW’ (staples available) is displayed Y↓ N→Select Stop. Go to Booklet Staple Control. Check continuity between the Staple and Booklet PWB, and between the Booklet PWB and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Stapler Low Staple Rear (PL 24.52). If the problem continues, replace the Finisher Main PWB. Select Stop. Replace the Finisher Main PWB. If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem continues, replace the Finisher Main PWB. If the problem persists, replace the Booklet PWB (PL 24.51 Item 1).

• Code: 313.210
• Description: Booklet Staple Move Home Sensor On
• Remedy: Execute dc330 Component Control [013-143], Booklet Staple Move Home Sensor. Move the Booklet Staplers to block and unblock the Sensor (PL 23.18 Item 13). The display changes. Y↓ N→Check the wire between J8897 pin 2 and P/J8991 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/J8991, pins 3 and 1 on the Booklet PWB (Booklet Staple Positioning). The voltage is approx. +5VDC. Y↓ N→Replace the Booklet PWB. Measure the voltage between P/J8991 pin 2 on the Booklet PWB and GND (Booklet Staple Positioning. Actuate the Booklet Staple Move Home Sensor. The voltage changes. Y↓ N→Replace the Booklet Staple Move Home Sensor (PL 23.18 Item 13). Replace the Booklet PWB. Alternately execute dc330 Component Control [013-028], Stapler Move Motor In and [013- 029], Stapler Move Motor Out. The Stapler Move Motor moves. Y↓ N→Check the wires between P/J8992 pins 1~6 on the Booklet PWB and P/J8906 on the Booklet Stapler Move Motor Booklet Staple Positioning for an open or short circuit, or loose or damaged connectors. The wires are OK. Y↓ N→Repair/replace as required. Monitor the voltage at P/J8994, pin 3 (Booklet Staple Positioning). Alternately execute dc330 Component Control [013-028], Stapler Move Motor In and [013-029], Stapler Move Motor Out. An AC clock pulse is detected. Y↓ N→Check the wire between P/J8994, pin 3 and P/J8995 pin 4. If the wire is OK, replace the Finisher PWB. Replace the Booklet Stapler Move Motor. If the problem persists, replace the Booklet PWB.