• Code: 024-979
• Description: Stapler Near Empty RAP • The Staple Pin is nearly empty. • The cartridge has not been installed.
• Remedy: Execute Component Control[012-242 Low Staple Sensor]. Install and remove the Staple Pin Cartridge. The display changes. Y↓N→Check the Staple Pin Cartridge for failure or foreign substances. There are no foreign substances and nothing has failed. Y↓N→Repair the failure and remove the foreign substances. Check the connections of J8886 and P/J8981. J8886 and P/J8981 are connected correctly. Y↓N→Connect J8886 and P/J8981. Check the wire between J8886 and J8981 for an open circuit or a short circuit. The wire between J8886 and J8981 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8981-4 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8981-6 (+) and GND (-). Install and remove the Staple Pin Cartridge. The voltage changes. Y↓N→Replace the Finisher PWB (PL 23.16). Replace the Staple Assembly (PL 23.8). If the problem persists, replace the Finisher PWB (PL 23.16). Replace the Finisher PWB (PL 23.16). If the problem persists, replace the MCU PWB (PL 9.1).

• Code: 024-980
• Description: (A-Finisher) Stacker Tray Full Stack One of the following: • At Power On, the Stack Height Sensor detected the height and the Full position. • During the operation of adjusting (lowering) the height of the Stacker Tray for small paper to be ejected, the Full position was detected. • During the operation of adjusting (lowering) the height of the Stacker Tray for large paper to be ejected, the Half position (Full-of-Large-Sheets position) was detected. • With the Half position (Full-of-Large-Sheets position) already detected, paper (large paper) a stack of which is limited to the Half position was ejected.
• Remedy: Check for remaining paper and foreign objects on the Stacker Tray. The Stacker Tray is free of paper and/or foreign objects. Y↓N→Remove the remaining paper and/or foreign object(s). Check the drive mechanism to the Stacker Tray for a deformed or broken part and not-seated gears. The drive mechanism is free of defects and the gears seat properly. Y↓N→Repair the Stacker Tray mechanism. Enter COmponent Control [012-267]. Block and unblock the Stack Height Sensor with a piece of paper. The display changes. Y↓N→Check the connections of P/J8708 and P/J8727. P/J8708 and P/J8727 are securely connected. Y↓N→Connect P/J8708 and P/J8727 securely. Check for an open or short circuit between J8708 and J8727. The wires between J8708 and J8727 are OK. Y↓N→Repair the open or short circuit. Measure the voltage between J8708-3 (+) on the Finisher PWB and GND (-). The voltage is approx. +5VDC. Y↓N→Go to Wirenet A-Finisher +5VDC and check the +5VDC circuit. Measure the voltage between J8708-2 (+) on the Finisher PWB and GND (-). Block and unblock the Stack Height Sensor with a piece of paper. The voltage changes. Y↓N→Replace the Stack Height Sensor (PL 22.10). Check the wires and connectors for an intermittent open or short circuit. If the problem continues, replace the Finisher PWB (PL 22.7). Run DC330[012-278]. Enter [012-278]. Rotate the Stacker Stack Sensor 1 actuator by hand to block and unblock the sensor. The display changes. Y↓N→Check the connections of P/J8707 and P/J8722. P/J8707 and P/J8722 are securely connected. Y↓N→Connect P/J8707 and P/J8722 securely. Check for an open or short circuit between J8707 and J8722. The wires between J8707 and J8722 are OK. Y↓N→Repair the open wire or short circuit. Measure the voltage between J8707-6 (+) on the Finisher PWB and GND (-). The voltage is approx. +5VDC. Y↓N→Go to Wirenet A-Finisher +5VDC and check the +5VDC circuit. Measure the voltage between J8707-5 (+) on the Finisher PWB and GND (-). Rotate the Stacker Stack Sensor 1 actuator by hand to block and unblock the sensor. The voltage changes. Y↓N→Replace the Stacker Stack Sensor 1(PL 22.8). Check the wires and connectors for an intermittent open or short circuit. If the problem continues, replace the Finisher PWB (PL 22.7). Run DC330[012-279]. Enter [012-279]. Rotate the Stacker Stack Sensor 2 actuator by hand to block and unblock the sensor. The display changes. Y↓N→Check the connections of P/J8707 and P/J8721. P/J8707 and P/J8721 are securely connected. Y↓N→Connect P/J8707 and P/J8721 securely. Check for an open or short circuit between J8707 and J8721. The wires between J8707 and J8721 are OK. Y↓N→Repair the open or short circuit. Measure the voltage between J8707-3 (+) on the Finisher PWB and GND (-). The voltage is approx. +5VDC.

• Code: 024-980
• Description: Finisher Stacker Tray Full RAP The output paper stacked on the Finisher Stacker Tray reaches capacity (for mixed paper size).
• Remedy: Check the tray raise/lower mechanism for foreign substances and distortion. No distortion or foreign substances are found in the tray raise/lower mechanism. Y↓N→Clear away the foreign substances. Correct the distortion. Execute Component Control[012-267 Stack Height Sensor]. Actuate the Stack Height Sensor with paper. The display changes. Y↓N→Check the connections of P/J8815, P/J8825 and P/J8850. P/J8815, P/J8825 and P/ J8850 are connected correctly. Y↓N→Connect P/J8815, P/J8825 and P/J8850. Check the wire between J8815 and J8850 for an open circuit or a short circuit. The wire between J8815 and J8850 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8850B-6 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 22.7). Measure the voltage between the Finisher PWB P8850B-5 (+) and GND (-). Actuate the Stack Height Sensor with paper. The voltage changes. Y↓N→Replace the Stack Height Sensor (PL 22.10). Replace the Finisher PWB (PL 22.7). Alternately execute Component Control[012-060 Stacker Motor up ON] and Component Control[ 012-061 Stacker Motor down ON]. The Stacker Motor (PL 22.8) starts up. Y↓N→Check the connections of P/J8847 and P/J8827. P/J8847 and P/J8827 are connected correctly. Y↓N→Connect P/J8847 and P/J8827. Check the wire between J8847 and P8827 for an open circuit or a short circuit. The wire between J8847 and P8827 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Stacker Motor (PL 22.8). If the problem persists, replace the Finisher PWB (PL 22.7). Replace the Finisher PWB (PL 22.7). If the problem persists, replace the MCU PWB (PL 9.1).

• Code: 024-980
• Description: Finisher Stacker Tray Full RAP The output paper stacked on the Finisher Stacker Tray reaches capacity (for mixed paper size).
• Remedy: Check the tray raise/lower mechanism for foreign substances and distortion. No distortion or foreign substances are found in the tray raise/lower mechanism. Y↓N→Clear away the foreign substances. Correct the distortion. Execute Component Control[012-264 Stack Height Sensor 1]. Actuate the Stack Height Sensor 1 with paper. The display changes. Y↓N→Check the connections of J8873 and P/J8988. J8873 and P/J8988 are connected correctly. Y↓N→Connect J8873 and P/J8988. Check the wire between J8873 and J8988 for an open circuit or a short circuit. The wire between J8873 and J8988 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8988-16 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8988-17 (+) and GND (-). Actuate the Stack Height Sensor 1 with paper. The voltage changes. Y↓N→Replace the Stack Height Sensor 1 (PL 23.11). Replace the Finisher PWB (PL 23.16). Execute Component Control[012-265 Stack Height Sensor 2]. Actuate the Stack Height Sensor with paper. The display changes. Y↓N→Check the connections of J8874 and P/J8988. J8874 and P/J8988 are connected correctly. Y↓N→Connect J8874 and P/J8988. Check the wire between J8874 and J8988 for an open circuit or a short circuit. The wire between J8874 and J8988 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8988-19 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8988-20 (+) and GND (-). Actuate the Stack Height Sensor with paper. The voltage changes. Y↓N→Replace the Stack Height Sensor 2 (PL 23.11). Replace the Finisher PWB (PL 23.16). Alternately execute Component Control[012-060 Stacker Motor up ON] and Component Control[ 012-061 Stacker Motor down ON]. The Stacker Motor (PL 23.7) starts up. Y↓N→Check the connections of P/J8986. P/J8986 are connected correctly. Y↓N→Connect P/J8986. Check the wires on P8986 for an open circuit or a short circuit. The wires on P8986 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Stacker Motor (PL 23.7). If the problem persists, replace the Finisher PWB (PL 23.16). Replace the Finisher PWB (PL 23.16). If the problem persists, replace the MCU PWB (PL 9.1).

• Code: 024-981
• Description: Finisher Top Tray Full Finisher top tray is full
• Remedy: If the failure continues, check for proper operation of the Stack Height Sensor.

• Code: 024-982
• Description: (A-Finisher) Stacker Lower Safety Warning The condition below occurred four consecutive times. • In the operation of adjusting the height of the Stacker Tray (lowering the tray) for paper to be ejected during a job, the height of it cannot be adjusted within a specified time.
• Remedy: Check for remaining paper and foreign objects on the Stacker Tray. The Stacker Tray is free from paper and/or foreign objects. Y↓N→Remove the remaining paper and/or foreign object(s). Check the drive mechanism to the Stacker Tray for a deformed or broken part and not-seated gears. The drive mechanism is free of defects and gears seat properly. Y↓N→Repair the Stacker Tray mechanism. Run DC330[012-267]. Enter Component Control [012-267]. Block and unblock the acceptance surface of the Stack Height Sensor with a piece of paper. The display changes. Y↓N→Check the connections of P/J8708 and P/J8727. P/J8708 and P/J8727 are securely connected. Y↓N→P/J8708 and P/J8727 are securely connected. Check for an open or short circuit between J8708 and J8727. The wires between J8708 and J8727 are OK. Y↓N→Repair the open or short circuit. Measure the voltage between J8708-3 (+) on the Finisher PWB and GND (-). The voltage is approx. +5VDC. Y↓N→Go to Wirenet A-Finisher +5VDC and check the +5VDC circuit. Measure the voltage between J8708-2 (+) on the Finisher PWB and GND (-). Block and unblock the Stack Height Sensor with a piece of paper. The voltage changes. Y↓N→Replace the Stack Height Sensor (PL 22.10). Check the wires and connectors for an intermittent open or short circuit. If the problem continues, replace the Finisher PWB (PL 22.7). Run DC330[012-278]. Enter [012-278]. Rotate the Stacker Stack Sensor 1 actuator by hand to block and unblock the sensor. The display changes. Y↓N→Check the connections of P/J8707 and P/J8722. P/J8707 and P/J8722 are securely connected. Y↓N→Connect P/J8707 and P/J8722 securely. Check for an open or short circuit between J8707 and J8722. The wires between J8707 and J8722 are OK. Y↓N→Repair the open or short circuit. Measure the voltage between J8707-6 (+) on the Finisher PWB and GND (-). The voltage is approx. +5VDC. Y↓N→Go to Wirenet A-Finisher +5VDC and check the +5VDC circuit. Measure the voltage between J8707-5 (+) on the Finisher PWB and GND (-). Rotate the Stacker Stack Sensor 1 actuator by hand to block and unblock the sensor. The voltage changes. Y↓N→Replace the Stacker Stack Sensor 1 (PL 22.8). Check the wires and connectors for an intermittent open or short circuit. If the problem continues, replace the Finisher PWB (PL 22.7). Run DC330[012-279]. Enter [012-279]. Rotate the Stacker Stack Sensor 2 actuator by hand to block and unblock the sensor. The display changes. Y↓N→Check the connections of P/J8707 and P/J8721. P/J8707 and P/J8721 are securely connected. Y↓N→Connect P/J8707 and P/J8721 securely. Check for an open or short circuit between J8707 and J8721. The wires between J8707 and J8721 are OK. Y↓N→Repair the open or short circuit. Measure the voltage between J8707-3 (+) on the Finisher PWB and GND (-). The voltage is approx. +5VDC. Y↓N→Go to Wirenet A-Finisher +5VDC and check the +5VDC circuit.

• Code: 024-982
• Description: Stacker Lower Safety warning RAP • After the Stacker Motor turned On (descending), the Stack Height Sensor did not turn On within the specified time. • After the Stacker Motor turned On (descending), the Stack Height Sensor did not turn Off within the specified time.
• Remedy: Check the tray raise/lower mechanism for foreign substances and distortion. No distortion or foreign substances are found in the tray raise/lower mechanism. Y↓N→Clear away the foreign substances. Correct the distortion. Execute Component Control[012-267 Stack Height Sensor]. Actuate the Stack Height Sensor with paper. The display changes. Y↓N→Check the connections of P/J8815, P/J8825 and P/J8850. P/J8815, P/J8825 and P/ J8850 are connected correctly. Y↓N→Connect P/J8815, P/J8825 and P/J8850. Check the wire between J8815 and J8850 for an open circuit or a short circuit. The wire between J8815 and J8850 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8850B-6 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 22.7). Measure the voltage between the Finisher PWB P8850B-5 (+) and GND (-). Actuate the Stack Height Sensor with paper. The voltage changes. Y↓N→Replace the Stack Height Sensor (PL 22.10). Replace the Finisher PWB (PL 22.7). Alternately execute Component Control[012-060 Stacker Motor up ON] and Component Control[ 012-061 Stacker Motor down ON]. The Stacker Motor (PL 22.8) starts up. Y↓N→Check the connections of P/J8847 and P/J8827. P/J8847 and P/J8827 are connected correctly. Y↓N→Connect P/J8847 and P/J8827. Check the wire between J8847 and P8827 for an open circuit or a short circuit. The wire between J8847 and P8827 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Stacker Motor (PL 22.8). If the problem persists, replace the Finisher PWB (PL 22.7). Replace the Finisher PWB (PL 22.7). If the problem persists, replace the MCU PWB (PL 9.1).

• Code: 024-982
• Description: Stacker Lower Safety warning RAP • After the Stacker Motor turned On (descending), the Stack Height Sensor did not turn On within the specified time. • After the Stacker Motor turned On (descending), the Stack Height Sensor did not turn Off within the specified time.
• Remedy: Check the tray raise/lower mechanism for foreign substances and distortion. No distortion or foreign substances are found in the tray raise/lower mechanism. Y↓N→Clear away the foreign substances. Correct the distortion. Execute Component Control[012-264 Stack Height Sensor 1]. Actuate the Stack Height Sensor 1 with paper. The display changes. Y↓N→Check the connections of J8873 and P/J8988. J8873 and P/J8988 are connected correctly. Y↓N→Connect J8873 and P/J8988. Check the wire between J8873 and J8988 for an open circuit or a short circuit. The wire between J8873 and J8988 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8988-16 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8988-17 (+) and GND (-). Actuate the Stack Height Sensor 1 with paper. The voltage changes. Y↓N→Replace the Stack Height Sensor 1 (PL 23.11). Replace the Finisher PWB (PL 23.16). Execute Component Control[012-265 Stack Height Sensor 2]. Actuate the Stack Height Sensor with paper. The display changes. Y↓N→Check the connections of J8874 and P/J8988. J8874 and P/J8988 are connected correctly. Y↓N→Connect J8874 and P/J8988. Check the wire between J8874 and J8988 for an open circuit or a short circuit. The wire between J8874 and J8988 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the Finisher PWB P8988-19 (+) and GND (-). The voltage is approx. +5VDC. Y↓N→Replace the Finisher PWB (PL 23.16). Measure the voltage between the Finisher PWB P8988-20 (+) and GND (-). Actuate the Stack Height Sensor with paper. The voltage changes. Y↓N→Replace the Stack Height Sensor 2 (PL 23.11). Replace the Finisher PWB (PL 23.16). Alternately execute Component Control[012-060 Stacker Motor up ON] and Component Control[ 012-061 Stacker Motor down ON]. The Stacker Motor (PL 23.7) starts up. Y↓N→Check the connections of P/J8986. P/J8986 are connected correctly. Y↓N→Connect P/J8986. Check the wires on P8986 for an open circuit or a short circuit. The wires on P8986 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Stacker Motor (PL 23.7). If the problem persists, replace the Finisher PWB (PL 23.16). Replace the Finisher PWB (PL 23.16). If the problem persists, replace the MCU PWB (PL 9.1).