• Code: 312.223
• Description: Front Tamper Home Sensor Off Fault. Front Tamper Home Sensor is not turned off within a specified time. Front Tamper Home Sensor is not turned off after the stop following Front Tamper Home Sensor Off.
• Remedy: • The Front Tamper Actuator for deformation • The Front Tamper Home Sensor for proper installation • The Front Tamper Home Sensor connectors • The Front Tamper Motor for proper operation • The Front Tamper Motor connectors
  Enter dc330 Component Control [012-020] and [012-023], Front Tamper Motor (PL 24.35 Item 6), alternately. Select Start. The Front Tamper Motor runs. Y↓ N→Select Stop. Go to Finisher Tamper Control. Check circuit of the Front Tamper Motor. Refer to Transmissive Sensor RAP for troubleshooting procedure. Select Stop. Select [012-220], Front Tamper Home Sensor (PL 24.35 Item 2). Select Start. Actuate the sensor with a piece of paper. The display changes. Y↓ N→Select Stop. Go to Finisher Tamper Control. Check circuit of the Front Tamper Home Sensor. Refer to Transmissive Sensor RAP for troubleshooting procedure. Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.224
• Description: Rear Tamper Home Sensor Off Fault. After the Rear Tamper started moving away from the home position, the Rear Tamper Home Sensor did not turn Off within the specified time.
• Remedy: Manually operate the Tamper mechanism. The Tamper mechanism moves smoothly. Y↓ N→Replace the parts that are interfering with operation. Execute dc330 Component Control [012-221], Rear Tamper Home Sensor. Manually operate the Tamper mechanism to block and unblock the sensor. The display changes. Y↓ N→Check the wire between J8882 pin 2 and J8984 pin 8 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 J8984, pins 9 and 7 on the Finisher PWB (Tamping Control (2 of 2)). The voltage is approx. +5VDC. Y↓ N→Replace the Finisher PWB. Measure the voltage between J8984, pin 8 on the Finisher PWB and GND (Tamping Control (2 of 2)). Manually operate the Tamper mechanism to block and unblock the Rear Tamper Home Sensor. The voltage changes. Y↓ N→Replace the Rear Tamper Home Sensor. Replace the Finisher PWB. Alternately execute dc330 Component Control [012-026], Rear Tamper Motor Front and [012- 029], Rear Tamper Motor Rear. The Rear Tamper Motor moves. Y↓ N→There is +24 VDC from J8984 pin 19 on the Finisher PWB to GND Y↓ N→There is +24 VDC from J8982 pin 4 on the Finisher PWB to GND Y↓ N→Go to Finisher Interlock Switching and check the +24V circuit feeding pin 4. Repair/reconnect as required. Replace the Finisher PWB. Check the wires between J8984, pins 13 ~ 17 on the Finisher PWB, and the Rear Tamper Motor P/J8883 for an open or short circuit, or a loose or damaged connector. The wires are OK. Repair/reconnect as required. Replace the Rear Tamper Motor. If the problem persists, replace the Finisher PWB. Replace the Finisher PWB.

• Code: 312.224
• Description: Rear Tamper Home Sensor Off Fault. Rear Tamper Home Sensor is not turned off within a specified time. Rear Tamper Home Sensor is not turned off after the stop following Rear Tamper Home Sensor Off.
• Remedy: • The Rear Tamper Actuator for deformation • The Rear Tamper Home Sensor for proper installation • The Rear Tamper Home Sensor connectors • The Rear Tamper Motor for proper operation • The Rear Tamper Motor connectors
  Enter dc330 Component Control [012-026] and [012-029], Rear Tamper Motor (PL 24.35 Item 7), alternately. Select Start. The Rear Tamper Motor runs. Y↓ N→Select Stop. Go to Finisher Tamper Control. Check circuit of the Rear Tamper Motor. Refer to Transmissive Sensor RAP for troubleshooting procedure. Select Stop. Select [012-221], Rear Tamper Home Sensor (PL 24.35 Item 2). Select Start. Actuate the sensor with a piece of paper. The display changes. Y↓ N→Select Stop. Go to Finisher Tamper Control. Check circuit of the Rear Tamper Home Sensor. Refer to Transmissive Sensor RAP for troubleshooting procedure. Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.225
• Description: Booklet Tamper F Home Sensor On Fault. Tamper Home Sensor Front is not turned on within 1000msec from motor On while Booklet Tamper Front is returning to Home.
• Remedy: • The Booklet Tamper Home Sensor Front for improper installation • The Booklet Tamper Home Sensor Front connectors for connection failure • The Booklet Tamper Motor Front connectors for connection failure • The Booklet Tamper Motor Front for improper installation • The gear part for wear or damage • The Booklet Tamper Front for deformation
  Enter dc330 Component Control [013-048] Booklet Tamper Motor F Rear 1 and dc330 Component Control [013-052], Booklet Tamper Motor Front (PL 24.55 Item 10), alternately. Select Start. The Booklet Tamper Motor Front energizes. Y↓ N→Select Stop. Go to Booklet Tamper Control (1 of 2). Check continuity between the Booklet Tamper Motor Front and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Tamper Motor Front (PL 24.55 Item 10). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Select [013-134], Booklet Tamper Home Sensor Front (PL 24.55 Item 7). Select Start. Block/unblock the Booklet Tamper Home Sensor Front. The display changes. Y↓ N→Select Stop. Go to Booklet Tamper Control (2 of 2). Check continuity between the Booklet Tamper Home Sensor Front and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Tamper Home Sensor Front (PL 24.55 Item 7). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.226
• Description: Booklet Tamper F Home Sensor Off Fault. Even when Booklet tamper Front motor outputs 75pulse, Tamper Front Home Sensor is not turned off.
• Remedy: • The Booklet Tamper Home Sensor Front for improper installation • The Booklet Tamper Home Sensor Front connectors for connection failure • The Booklet Tamper Motor Front connectors for connection failure • The Booklet Tamper Motor Front for improper installation • The gear part for wear or damage • The Booklet Tamper Front for deformation
  Enter dc330 Component Control [013-048] Booklet Tamper Motor F Rear 1 and dc330 Component Control [013-052], Booklet Tamper Motor Front (PL 24.55 Item 10), alternately. Select Start. The Booklet Tamper Motor Front energizes. Y↓ N→Select Stop. Go to Booklet Tamper Control (1 of 2). Check continuity between the Booklet Tamper Motor Front and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Tamper Motor Front (PL 24.55 Item 10). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Select [013-134], Booklet Tamper Home Sensor Front (PL 24.55 Item 7). Select Start. Block/unblock the Booklet Tamper Home Sensor Front. The display changes. Y↓ N→Select Stop. Go to Booklet Tamper Control (2 of 2). Check continuity between the Booklet Tamper Home Sensor Front and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Tamper Home Sensor Front (PL 24.55 Item 7). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.227
• Description: Booklet End Guide Home Sensor Off Fault. Even when Booklet End Guide motor outputs 200 pulse after the start, Booklet End Guide Home Sensor is not turned off.
• Remedy: • The Booklet End Guide Home Sensor for improper installation • The Booklet End Guide Home Sensor connectors for connection failure • The Booklet End Guide Motor connectors for connection failure • The Guide for deformation • The Guide for a foreign substance
  Enter dc330 Component Control [013-013] and [013-016], Booklet End Guide Motor (PL 24.53 Item 2), alternately. Select Start. The Booklet End Guide Motor energizes. Y↓ N→Select Stop. Go to Booklet End Guide Control. Check continuity between the Booklet End Guide Motor and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet End Guide Motor (PL 24.53 Item 2). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Select [013-137] Booklet End Guide Home Sensor. Block/unblock the Booklet End Guide Home Sensor to the light with paper strip. Select Start. The display changes. Y↓ N→Select Stop. Go to Booklet End Guide Control Check continuity between the Booklet End Guide Home Sensor and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet End Guide Home Sensor (PL 24.53 Item 7). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Check the following: • The Booklet End Guide Motor for proper installation • Booklet End Guide Belt for proper tension • Booklet End Guide Belt for wear or damage If the above checks are OK, replace the Finisher Main PWB.

• Code: 312.228
• Description: Booklet End Guide Home Sensor On Fault. Booklet End Guide Home Sensor is not turned on within 2000ms from motor On while Booklet End Guide is returning to Home.
• Remedy: • The Booklet End Guide Home Sensor for improper installation • The Booklet End Guide Home Sensor connectors for connection failure • The Booklet End Guide Motor connectors for connection failure • The Guide for deformation • The Guide for a foreign substance
  Enter dc330 Component Control [013-013] and [013-016], Booklet End Guide Motor (PL 24.53 Item 2), alternately. Select Start. The Booklet End Guide Motor energizes. Y↓ N→Select Stop. Go to Booklet End Guide Control. Check continuity between the Booklet End Guide Motor and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet End Guide Motor (PL 24.53 Item 2). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Enter dc330 Component Control [013-137] Booklet End Guide Home Sensor. Select Start. Block/unblock the Booklet End Guide Home Sensor. The display changes. Y↓ N→Select Stop. Go to Booklet End Guide Control. Check continuity between the Booklet End Guide Home Sensor and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet End Guide Home Sensor (PL 24.53 Item 7). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Check the following: • The Booklet End Guide Motor for proper installation • Booklet End Guide Belt for proper tension • Booklet End Guide Belt for wear or damage If the above checks are OK, replace the Finisher Main PWB.

• Code: 312.229
• Description: Booklet Tamper R Home Sensor On Fault. Tamper Home Sensor Rear is not turned on within 1000msec from motor On while Booklet Tamper Rear is returning to Home.
• Remedy: • The Booklet Tamper Home Sensor Rear for improper installation • The Booklet Tamper Home Sensor Rear connectors for connection failure • The Booklet Tamper Motor Rear connectors for connection failure • The Booklet Tamper Motor Rear for improper installation • The gear part for wear or damage • The Booklet Tamper Rear for deformation
  Enter dc330 Component Control [013-056] and dc330 Component Control [013-060], Booklet Rear Tamper Motor (PL 24.55 Item 9), alternately. Select Start. The Booklet Tamper Motor Rear energizes. Y↓ N→Select Stop. Go to Booklet Tamper Control (1 of 2). Check continuity between the Booklet Rear Tamper Motor and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Rear Tamper Motor (PL 24.55 Item 9). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Select [013-136], Booklet Front Tamper Home Sensor (PL 24.55 Item 10). Select Start. Block/unblock the Booklet Tamper Home Sensor Front. The display changes. Y↓ N→Select Stop. Go to Booklet Tamper Control (2 of 2). Check continuity between the Booklet Rear Tamper Home Sensor and the Booklet PWB and the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Tamper Home Sensor Rear (PL 24.55 Item 7). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. If the problem continues, replace the Finisher Main PWB.