• Code: 072-210
• Description: Tray 2 Lift Up Fail Any of the following was detected: • A Tray 2 Lifter error. • A Tray 2 Paper Size detector component malfunction.
• Remedy: Check the following: • The Tray 2 Nudger Level Sensor (Input Check [072-103]) for operation failure. (PL 10.3) • The Tray 2 Feed/Lift Motor (Output Check [072-005] (Lift Up)) for operation failure. (PL 10.3) • The drive system between the Bottom Plate and the Tray 2 Feed/Lift Motor for operation failure. • The Tray for Paper misload • The Tray for existence of objects other than Paper. If no problem is found, replace the STM PWB. (PL 10.6)

• Code: 072-212
• Description: Tray 2 Size Sensor Broken Abnormal output AD value from Tray 2 Paper Size Switch was detected.
• Remedy: Check the following: • Broken link and damage at the bottom of the Tray • The Actuator at the rear of the Tray for operation failure • The Tray 2 Paper Size Switch (Analog Monitor [072-050], Output Check [072-105]) for operation failure. (PL 10.1) • The Tray for Paper misload • The Tray for existence of objects other than Paper. If no problem is found, replace the STM PWB. (PL 10.6)

• Code: 072-215
• Description: MCU-STM Communication Fail. Communication failure between the ESS/MCU PWB and the STM PWB was detected.
• Remedy: 1. Turn the power OFF and ON. 2. Turn OFF the power and check the connection between the ESS/MCU PWB J413 and the STM PWB J541C for open circuit, short circuit, and poor contact. 3. If no problem is found, replace the following parts in sequence: • STM PWB (PL 10.6) • ESS/MCU PWB (PL 18.1)

• 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 [072-006]) 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 18.1)

• 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 18.1)

• 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 18.1)

• 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 18.1)

• 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. If no problems are found, replace the ESS/MCU PWB. (PL 18.1)