• Code: 072-470
• Description: STM NVM R/W Error The NVM of the STM cannot be read or written. NOTE: If this is already detected, it will be displayed on the UI Panel when a Job is being performed.
• Remedy: 1. Turn the power OFF and ON. 2. If the problem persists, replace the STM PWB (PL 10.6).

• Code: 073-102
• Description: Feed Out Sensor 3 On Jam (Tray 3) The Feed Out Sensor 3 did not turn ON within the specified time after the Paper had been fed from Tray 3.
• 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 3 Feed Roll, Retard Roll, and Nudger Roll for contamination, wear, and transportation failure due to deterioration. • The Tray 3 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • Feed Out Sensor 3: Input Check [072-109] (PL 11.5) • Tray 3 Feed/Lift Up Motor: Output Check [072-003] (Feed) (PL 11.3) • 2TM Takeaway Motor: Output Check [072-008] (PL 11.6) • 2TM Takeaway Roll Clutch: Output Check [072-006] (PL 11.6) If no problems are found, replace the following parts in sequence: • 2TM PWB (PL 11.6) • ESS/MCU PWB (PL 18.3)

• Code: 073-104
• Description: Feed Out Sensor 2 On Jam (Tray 3) The Feed Out Sensor 2 did not turn ON within the specified time after the Feed Out Sensor 3 is On during paper feed from Tray 3.
• 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. • The Tray 3 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • Feed Out Sensor 2: Input Check [072-106] (PL 10.5) • Feed Out Sensor 3: Input Check [072-109] (PL 11.5) • STM Takeaway Motor: Output Check [072-007] (PL 10.6) • STM Takeaway Roll Clutch: Output Check [072-005] (PL 10.6) • 2TM Takeaway Motor: Output Check [072-008] (PL 11.6) • 2TM Takeaway Roll Clutch: Output Check [072-006] (PL 11.6) If no problems are found, replace the following parts in sequence: • STM PWB (PL 10.6) • 2TM PWB (PL 11.6) • ESS/MCU PWB (PL 18.3)

• Code: 073-105
• Description: Regi Sensor On Jam (Tray 3) The Regi Sensor did not turn ON within the specified time after the Feed Out Sensor 2 is On during paper feed from Tray 3.
• 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: 073-210
• Description: Tray 3 Lift Up Fail One of the following errors was detected. • The Tray 3 Lifter error was detected. • The Tray 3 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 3 paper supply mechanism for damage and foreign substances. • Usage of out of spec paper. • Tray 3 Nudger Level Sensor: Input Check [072-108] (PL 11.3) • Tray 3 Feed/Lift Up Motor: Output Check [072-010] (Lift Up) (PL 11.3) • Tray 3 Paper Size Switch: Analog Monitor [072-052]/Input Check [072-110] (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: 074-101
• Description: Feed Out Sensor 4 On Jam (Tray 4) The Feed Out Sensor 4 did not turn ON within the specified time after the Paper had been fed 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 4 Feed Roll, Retard Roll, and Nudger Roll for contamination, wear, and transportation failure due to deterioration. • The Tray 4 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • Feed Out Sensor 4: Input Check [072-112] (PL 11.5) • Tray 4 Feed/Lift Up Motor: Output Check [072-011] (Feed) (PL 11.3) • 2TM Takeaway Motor: Output Check [072-008] (PL 11.6) • 2TM Takeaway Roll Clutch: Output Check [072-006] (PL 11.6) If no problems are found, replace the following parts in sequence: • 2TM PWB (PL 11.6) • ESS/MCU PWB (PL 18.3)

• Code: 074-102
• Description: Feed Out Sensor 3 On Jam (Tray 4) The Feed Out Sensor 3 did not turn ON within the specified time after the Feed Out Sensor 4 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 4 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • The Tray 3 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • Feed Out Sensor 4: Input Check [072-112] (PL 11.5) • Feed Out Sensor 3: Input Check [072-109] (PL 11.5) • 2TM Takeaway Motor: Output Check [072-008] (PL 11.6) • 2TM Takeaway Roll Clutch: Output Check [072-006] (PL 11.6) If no problems are found, replace the following parts in sequence: • 2TM PWB (PL 11.6) • ESS/MCU PWB (PL 18.3)

• Code: 074-104
• Description: Feed Out Sensor 2 On Jam (Tray 4) The Feed Out Sensor 2 did not turn ON within the specified time after the Feed Out Sensor 3 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. • The Tray 3 Takeaway Roll and Pinch Roll for contamination, wear, and transportation failure due to deterioration. • Feed Out Sensor 2: Input Check [072-106] (PL 10.5) • Feed Out Sensor 3: Input Check [072-109] (PL 11.5) • STM Takeaway Motor: Output Check [072-007] (PL 10.6) • STM Takeaway Roll Clutch: Output Check [072-005] (PL 10.6) • 2TM Takeaway Motor: Output Check [072-008] (PL 11.6) • 2TM Takeaway Roll Clutch: Output Check [072-006] (PL 11.6) If no problems are found, replace the following parts in sequence: • STM PWB (PL 10.6) • 2TM PWB (PL 11.6) • ESS/MCU PWB (PL 18.3)