• Code: 078-101
• Description: HCF to Feed Out Sensor Fault RAP The Tray 2 Feed Out Sensor did not come on within the specified time after the start of feed from Tray 6 (HCF).
• Remedy: Execute Component Control [071-100 Tray Feed Out Sensor]. Move the actuator of the Tray 2 Feed Out Sensor manually or with paper. The display changes. Y↓N→Go to 8.2 BSD and check the following wires for an open wire, short or poor contact: • Tray Feed Out Sensor P/J105-2 to MCU PWB P/J410-14 • Tray Feed Out Sensor P/J105-1 to Tray Module PWB P/J410-15 • Tray Feed Out Sensor P/J105-3 to Tray Module PWB P/J410-13 If OK, replace the Tray Feed Out Sensor (PL 2.5) before replacing the MCU PWB (PL 9.1). Execute Component Control [077-003 Takeaway Clutch]. There is operation noise from the Takeaway Clutch 1. Y↓N→Go to 8.2 BSD and check the Takeaway Clutch for an open. Check the following: • Takeaway Rolls 1 and 2 and 3 for dirt/paper particles/wear/a poor rotation • HCF and IOT for a poor docking • HCF Transport Belt for poor tension • HCF Transport Roll for dirt/paper particles/wear/a poor rotation • HCF Takeaway Rolls 1-3 for dirt/ paper particles/wear/a poor rotation • HCF Exit Roll for dirt/ paper particles/wear/a poor rotation • Drive gears for wear/breakage • If the results of the above checks are OK, replace Tray Module PWB (PL 13.8) and the MCU PWB (PL 9.1) one at a time in the order shown.

• Code: 078-102
• Description: HCF to Registration Sensor Fault RAP The paper transported from HCF did not turn on the Registration Sensor within the specified time.
• Remedy: Execute Component Control [089-100 Reg. Sensor]. Place paper in front of the Reg. Sensor. The display changes. Y↓N→Go to 8.7 BSD and check the following for an open wire, short or poor contact: • Reg Sensor P/J104-2 to MCU PWB P/J403-B8 • Reg Sensor P/J104-1 to MCU PWB P/J403-B13 • Reg Sensor P/J104-3 to MCU PWB P/J403-B3 If OK, replace the Reg. Sensor (PL 2.4) before replacing the MCU PWB (PL 9.1). Execute Component Control [078-007 Tray 6 Takeaway Motor]. There is operation noise from the Tray 6 Takeaway Motor. Y↓N→Check the wire-wound resistance of Pre Reg. Motor is approx. 0.8 ohms at the measurement points below. • JF57-3 to pins 1/2 • JF57-4 to pins 5/6 If OK, go to 8.9 BSD and troubleshoot the Tray 6 Takeaway Motor circuit. Check the following: • Takeaway Rolls 1 and 2 and 3 for dirt/paper particles/wear/a poor rotation • Pre Reg Roll for dirt/paper particles/wear/a poor rotation • Drive gears for wear/breakage • Drawer Connectors and contact points for foreign objects/bent pins/burnout • If the results of the above checks are OK, replace Tray Module PWB (PL 13.8) and the MCU PWB (PL 9.1) one at a time in the order shown

• Code: 078-104
• Description: HCF Feed Out Sensor Fault RAP The paper transported from HCF did not turn on the Feed Out Sensor within the specified time.
• Remedy: Execute Component Control [078-101 Tray 6 Feed out Sensor]. Place paper in front of the Feed Out Sensor. The display changes. Y↓N→Go to 8.9 BSD and check the following for an open wire, short or poor contact: • Feed Out Sensor PF67-2 to HCF PWB PF01-2 • Feed Out Sensor PF67-1 to HCF PWB JF01-3 • Feed Out Sensor PF67-3 to HCF PWB JF01-1 If OK, replace the Feed Out Sensor (PL 18.7) before replacing the HCF PWB (PL 18.8). Execute Component Control [078-007 Tray 6 Takeaway Motor]. There is operation noise from the Tray 6 Takeaway Motor. Y↓N→Check the wire-wound resistance of Tray 6 Takeaway Motor is approx. 0.8 ohms at the measurement points below. • JF57-3 to pins 1/2 • JF57-4 to pins 5/6 If OK, go to 8.9 BSD and troubleshoot the Tray 6 Takeaway Motor circuit. Check the HCF paper lift components and repair as required (PL 18.2, PL 18.3).

• Code: 078-210
• Description: HCF to Tray 1 Lift RAP The Tray 1 Level Sensor did not actuate in time after the Tray 1 Feed/Lift Motor energized.
• Remedy: Execute Component Control [071-001 or 007 Tray 1 Feed/Lift Motor ON]. The Tray 1 Feed/ Lift Motor (PL 2.3) can be heard (the lifted paper plate drops when the tray is opened). Y↓N→Check the connections of P/J201, P/J601 and P/J409. P/J201, P/J601 and P/J549 P/ J409 are connected correctly. Y↓N→Connect P/J201, P/J601 and P/J409. Remove the Tray 1 Feed/Lift Motor (PL 2.3) and the Tray 2 Feed/Lift Motor (PL 2.3). Replace the Tray 2 Feed/Lift Motor with the Tray 1 Feed/Lift Motor. Execute Component Control [072-001/002 Tray 2 Feed/Lift Motor ON]. The Tray 2 Feed/ Lift Motor can be heard (the lifted paper plate drops when the tray is opened). Y↓N→Return the Tray 1 Feed/Lift Motor to its original position. Check the wires between P/J201 and P/J409 for an open circuit or a short circuit. The circuit between P/J201 and P/J409 is conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Replace the Tray Module PWB (PL 13.8). Return the Tray 1 Feed/Lift Motor to its original position. Replace the Tray 2 Feed/Lift Motor (PL 2.3). Check the installation of the Tray 1 Level Sensor (PL 2.3) and the operation of the actuator. The Tray 1 Level Sensor is installed correctly and the actuator works. Y↓N→Reinstall the Tray 1 Level Sensor (PL 2.3). Execute Component Control [071-201 Tray 1 Level Sensor]. Manually activate the Tray 1 Level Sensor (PL 2.3). The display changes. Y↓N→Check the connections of P/J100, P/J601 and P/J409. P/J100, P/J601 and P/J409 are connected correctly. Y↓N→Connect P/J100, P/J601 and P/J409. Check the wires between P/J100 and P/J409 for an open circuit or a short circuit. The wires between P/J100 and P/J409 are conducting without an open circuit or a short circuit. Y↓N→Repair the open circuit or short circuit. Measure the voltage between the MCU PWB P/J409-A7 (+) and P/J409-A8 (-). The voltage is approx. +5VDC. Y↓N→Replace the MCU PWB (PL 9.1). Measure the voltage between the Tray Module PWB P/J409-A9 (+) and GND (-). Activate the actuator of the Tray 1 Level Sensor (PL 2.3). The voltage changes. Y↓N→Replace the Tray 2 Level Sensor (PL 2.3). Replace the MCU PWB (PL 9.1). Check the paper transport drives and repair as required (PL 2.3).

• Code: 078-212
• Description: NVM Read/Write Failure RAP Cannot read from and/or write to the NVM in HCF Module.
• Remedy: Check wires and connectors between the HCF and the IOT. Reload Software. If the problem continues, replace the HCF PWB (PL 18.8).

• Code: 078-300
• Description: HCF Top Cover Interlock Open RAP BSD-ON: The HCF Top Cover Interlock is open.
• Remedy: Execute Component Control [078-300 HCF Top Cover Interlock]. Open and close the Transport Cover. The display changes. Y↓N→+24VDC is measured between JF05-2 on the HCF PWB and GND. Y↓N→+24VDC is measured between JF05-1 on the HCF PWB and GND. Y↓N→+24VDC is measured between JF04-1 on the HCF PWB and GND. Y↓N→Check the +24VDC circuit between the IOT and the HCF PWB. Replace the HCF PWB (PL18.8). Check the wires between JF05-1 on the HCF PWB and FS001 on the HCF Top Cover Interlock Switch, and between FS002 on the HCF Top Cover Interlock Switch and JF05-2 on the HCF PWB for an open wire or poor contact. If the wires are good, replace the HCF Top Cover Interlock Switch (PL 18.7). Replace the HCF PWB (PL 18.8). The problem could be misalignment between the HCF Top Cover and the HCF Top Cover Interlock Switch. Check if the Switch/Cover is improperly installed and if the actuator is broken or bent. If OK, replace the MCU PWB (PL 9.1).

• Code: 078-301
• Description: HCF Docking interlock Open RAP BSD-ON: HCF Docking Interlock Open. The HCF and the IOT were undocked.
• Remedy: Execute Component Control [078-301 Docking Interlock Switch]. The display changes when the lever of the Docking Interlock Switch is pushed. Y↓N→Check the Docking Interlock Switch for an open circuit. Replace the HCF PWB (PL 18.8).

• Code: 078-900
• Description: HCF Feed Out Sensor Static Jam RAP The tray 6 Feed Out Sensor static jam.
• Remedy: Execute Component Control [078-101 Tray 6 Feed Out Sensor]. Move the actuator of the Tray 6 Feed Out Sensor. The display changes. Y↓N→Go to 8.8 BSD and check the following for an open wire, short or poor contact: • Tray 6 Feed Out Sensor PF67-2 to HCF PWB PF01-2 • Tray 6 Feed Out Sensor PF67-1 to HCF PWB PF01-3 • Tray 6 Feed Out Sensor PF67-3 to HCF PWB PF01-1 If OK, replace the Tray 6 Feed Out Sensor (PL 18.7) then the HCF PWB (PL 18.8). Execute Component Control [078-007 Tray 6 Takeaway Motor: 640mm/s]. There is operation noise from the Tray 6 Takeaway Motor. Y↓N→Check the wire-wound resistance of Pre Reg. Motor is approx. 0.8 ohms at the measurement points below. • JF57-3 to pins 1/2 • JF57-4 to pins 5/6 If OK, go to 7.14 BSD and troubleshoot the Tray 6 Takeaway Motor circuit. Execute Component Control [089-002 REgistration Clutch. Registration Clutch operates Y↓N→Go to 8.7 BSD and check the Registration Clutch for an open. Check the following: • Drive gears for wear/breakage • HCF and IOT for a poor docking • HCF Transport Belt for poor tension • HCF Transport Roll for dirt/paper particles/wear/a poor rotation • HCF Takeaway Rolls 1-3 for dirt/ paper particles/wear/a poor rotation • HCF Exit Roll for dirt/ paper particles/wear/a poor rotation • If the results of the above checks are OK, replace HCF PWB (PL1.8).