• Code: 005-907, 005-908, 005-913
• Description: DADF Pre Regi Sensor/DADF Regi Sensor/DADF Invert Sensor Static Jam Paper was detected by the applicable sensor at Power ON, Feeder Cover Interlock Close, or DADF Open Sensor Close
• Remedy: 1. Check the applicable sensor for remaining paper, the Actuator for return failure, contamination on sensor, and etc. 2. Check the applicable sensor for operation failure. • DADF Pre Regi Sensor (Input Check[005-206]) (PL 56.14) • DADF Regi Sensor (Input Check[005-110]) (PL 56.14) • DADF Invert Sensor (Input Check[005-211]) (PL 56.10) 3. If no problem is found, replace the DADF PWB. (PL 56.2)

• Code: 005-940
• Description: DADF No Original Fail It was detected that the document was pulled out during document feed.
• Remedy: Reload the document

• Code: 005-948
• Description: SS-Size Mismatch Jam on No Mix-size In No Mix mode, it was detected that a document with a shorter size in Slow Scan (SS) direction was transported from the DADF
• Remedy: 1. Check the size of the document that was fed by the User. 2. If the error is not cleared, check the following: • The DADF Pre Regi Sensor (Input Check [005-206]) for operation failure. (PL 56.14) • The Document Tray Size Sensor 1/2 (Input Check [005-221/222]) for operation failure. (PL 56.11) 3. If no problem is found, replace the DADF PWB. (PL 56.2)

• Code: 007-270
• Description: Tray 1 Paper Size Switch Broken The Tray 1 Size Sensor open circuit was detected. (The AD value is at its largest.) NOTE: If this is already detected, it will be displayed on the UI Panel when a Job is being performed.
• Remedy: Check the following: • The connection between the Tray 1 Paper Size Switch J109 and the ESS/MCU PWB J414 for open circuit, short circuit, and poor contact. • Tray 1 Paper Size Switch: Analog Monitor [072-050]/Input Check [072-114] (PL 9.1) • The Tray 1 paper guide mechanism for damage and foreign substances. • The Tray 1 Paper Size Switch for damage, improper installation, and Actuator operation failure. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 007-272
• Description: Tray 3 Paper Size Switch Broken The Tray 3 Size Sensor open circuit was detected. (The AD value is at its largest.) NOTE: If this is already detected, it will be displayed on the UI Panel when a Job is being performed
• Remedy: Check the following: • The connection between the Tray 3 Paper Size Switch J820 and the 2TM PWB J548 for open circuit, short circuit, and poor contact. • Tray 3 Paper Size Switch: Analog Monitor [072-052]/Input Check [072-110] (PL 11.1) • The Tray 3 paper guide mechanism for damage and foreign substances. • The Tray 3 Paper Size Switch for damage, improper installation, and Actuator operation failure. If no problems are found, replace the 2TM PWB (PL 11.6).

• Code: 007-273
• Description: Tray 4 Paper Size Switch Broken The Tray 4 Size Sensor open circuit was detected. (The AD value is at its largest.) NOTE: If this is already detected, it will be displayed on the UI Panel when a Job is being performed.
• Remedy: Check the following: • The connection between the Tray 4 Paper Size Switch J824 and the 2TM PWB J548 for open circuit, short circuit, and poor contact. • Tray 4 Paper Size Switch: Analog Monitor [072-053]/Input Check [072-113] (PL 11.1) • The Tray 4 paper guide mechanism for damage and foreign substances. • The Tray 4 Paper Size Switch for damage, improper installation, and Actuator operation failure. If no problems are found, replace the 2TM PWB (PL 11.6).

• Code: 010-311
• Description: Fusing Unit Center Thermistor Defect An open circuit abnormality (the AD value of the STS is equivalent to the open circuit value) of the Heat Roll Center Thermistor was detected.
• Remedy: Turn OFF the power and disconnect the Heat Roll Center Thermistor connector P/J600. Measure the resistance between the Heat Roll Center Thermistor J600 pin-1 and J600 pin-2. Is the resistance infinite? Y↓N→Reconnect the connector P/J600 and measure the resistance between the ESS/MCU PWB J403 pin-1 and J403 pin-2. Is the resistance infinite? Y↓N→Replace the ESS/MCU PWB (PL 18.3). Check the following connections for open circuits and poor contacts. • Between ESS/MCU PWB J403-1 and Heat Roll Center Thermistor P600-4 • Between ESS/MCU PWB J403-2 and Heat Roll Center Thermistor P600-3 Replace the Fusing Unit. (PL 7.1)

• Code: 010-312
• Description: Fusing Unit Rear Thermistor Defect An open circuit abnormality (the AD value of the STS is equivalent to the open circuit value) of the Heat Roll Rear Thermistor was detected.
• Remedy: Turn OFF the power and disconnect the Heat Roll Rear Thermistor connector P/J600. Measure the resistance between the Heat Roll Rear Thermistor J600 pin-3 and J600 pin-4. Is the resistance infinite? Y↓N→Reconnect the connector P/J600 and measure the resistance between the ESS/MCU PWB J403 pin-3 and J403 pin-4. Is the resistance infinite? Y↓N→Replace the ESS/MCU PWB (PL 18.3). Check the following connections for open circuits and poor contacts. • Between ESS/MCU PWB J403-3 and Heat Roll Rear Thermistor P600-2 • Between ESS/MCU PWB J403-4 and Heat Roll Rear Thermistor P600-1 Replace the Fusing Unit. (PL 7.1)