• Code: 074-105
• Description: Regi. Sensor On Jam (Tray 4) The Regi Sensor did not turn ON within the specified time after the Feed Out Sensor 2 is On during paper feed from Tray 4.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path. • Usage of out of spec paper. • The Drive Gear for wear and damage. • The Tray 2 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • Regi Sensor: Input Check [071-105] (PL 15.1) • Feed Out Sensor 2: Input Check [072-106] (PL 10.5) • STM Takeaway Motor: Output Check [072-007] (PL 10.6) • STM Takeaway Roll Clutch: Output Check [072-005] (PL 10.6) If no problems are found, replace the following parts in sequence: • STM PWB (PL 10.6) • ESS/MCU PWB (PL 18.3)

• Code: 074-210
• Description: Tray 4 Lift Up Fail One of the following errors was detected. • The Tray 4 Lifter error was detected. • The Tray 4 Paper Size detector component malfunction was detected. 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 Tray 4 paper supply mechanism for damage and foreign substances. • Usage of out of spec paper. • Tray 4 Nudger Level Sensor: Input Check [072-111] (PL 11.3) • Tray 4 Feed/Lift Up Motor: Output Check [072-011] (Lift Up) (PL 11.3) • Tray 4 Paper Size Switch: Analog Monitor [072-053]/Input Check [072-113] (PL 11.1) If no problems are found, replace the following parts in sequence: • 2TM PWB (PL 11.6) • ESS/MCU PWB (PL 18.3)

• Code: 075-135
• Description: Regi Sensor On Jam (MSI) During paper feed from the MSI, the Regi Sensor did not turn ON within the specified time after the MSI Feed Clutch On.
• Remedy: Check the following: • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Main Drive Motor (Output Check [042-001]) for operation failure. (PL 3.1) • The MSI Feed Clutch (Output Check [072-014] for operation failure. (PL 13.3) • The MSI Feed Roll and the MSI Nudger Roll for contamination, wear, and transportation failure due to deterioration. • The Drive Gear for wear and damage. • A paper transportation failure due to foreign substances on the paper path. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 077-101
• Description: Regi Sensor Off Jam The Regi Sensor did not turn OFF within the specified time after the Regi Clutch On.
• Remedy: Check the following: • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Main Drive Motor (Output Check [042-001]) for operation failure. (PL 3.1) • The Regi Clutch (Output Check [071-001]) for operation failure. (PL 15.1) • The Regi Roll and Pinch Roll for transportation failure due to contamination, wear, and deterioration. • The Transfer Unit for a decrease in the transportation force. • The Drive Gear for wear and damage. • A paper transportation failure due to foreign substances on the paper path. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 077-103
• Description: Fusing Unit Exit Sensor Off Jam (Long) After the Regi Sensor Off, the Fusing Unit Exit Sensor did not turn OFF within the specified time.
• Remedy: Check the following: • The Fusing Unit Exit Sensor (Input Check [071-106]) for operation failure. (PL 7.1) • The Main Drive Motor (Output Check [042-001]) for operation failure. (PL 3.1) • The Invert Motor (Output Check [071-003] (Exit)) for operation failure. (When Duplex is installed) (PL 17.1) • The Exit Roll and Pinch Roll for transportation failure due to contamination, wear, and deterioration. • The Transfer Unit for a decrease in the transportation force. • The Heat Roll for wound up, stuck paper. • The Drive Gear for wear and damage. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 077-104
• Description: Fusing Unit Exit Sensor Off Jam (Short) The time taken for the Fusing Unit Exit Sensor to turn from ON to OFF is shorter than the specified time.
• Remedy: Check the following: • The Fusing Unit Exit Sensor (Input Check [071-106]) for operation failure. (PL 7.1) • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Main Drive Motor (Output Check [042-001]) for operation failure. (PL 3.1) • The Invert Motor (Output Check [071-003] (Exit)) for operation failure. (When Duplex is installed) (PL 17.1) • The Heat Roll for wound up, stuck paper. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 077-106
• Description: Fusing Unit Exit Sensor On Jam The Fusing Unit Exit Sensor did not turn ON within the specified time after the Regi Clutch On.
• Remedy: Check the following: • The Fusing Unit Exit Sensor (Input Check [071-106]) for operation failure. (PL 7.1) • The Main Drive Motor (Output Check [042-001]) for operation failure. (PL 3.1) • The Regi Clutch (Output Check [071-001]) for operation failure. (PL 15.1) • The Fusing Unit Exit Chute for improper installation and deformation. • The Transfer Unit for a decrease in the transportation force. • The Drive Gear for wear and damage. • The Heat Roll for wound up, stuck paper. • A paper transportation failure due to foreign substances on the paper path. • Usage of out of spec paper. • Check that the width of the lead edge of the fed paper is more than 190 mm (the distance between 2 fingers of the ERU). • If the width of the fed paper is equal to or less than 190 mm and the jam occurs continuously, add the Finger Assy (019K 12750) to the center of the ERU. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 077-129
• Description: Regi Sensor On Jam (Duplex Wait) During the paper stop at the invert wait position at Duplex print, the Regi Sensor did not turn ON within the specified time after the Duplex Clutch On.
• Remedy: Check the following: • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Main Drive Motor (Output Check [042-001]) for operation failure. (PL 3.1) • The Invert Motor (Output Check [071-005] (Dup)) for operation failure. (PL 17.1) • The Duplex Clutch (Output Check [071-002]) for operation failure. (PL 14.4) • The Exit Roll, Duplex Roll 1, 2, and Pinch Roll for transportation failure due to contamination, wear, and deterioration. • The Drive Gear and Belt for wear and damage. • A paper transportation failure due to foreign substances on the paper path. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB (PL 18.3).