• Code: 375.100
• Description: Tray 1 Miss Feed. The Tray 1 Feed Out Sensor does not turn On within the specified time after the Feed from Tray 5 has started.
• Remedy: Turn the power On and enter the Service Diag mode (Entering Service Diagnostics). Turn On dc330 Component Control [075-001] (Tray 1 Feed/Nudger Motor). Does the Tray 1 Feed/ Nudger Motor rotate? Y↓ N→Is the voltage between the MD PWB P/J520-1 (+) and the GND (-) +24VDC? Y↓ N→Go to +24VDC Power RAP. Turn the power Off, then measure the Tray 1 Feed/Nudger Motor wire wound resistance. Check the resistance of the following. • Between the MD PWB P/J525-B10 and the P/J525-B11 • Between the MD PWB P/J525-B12 and the P/J525-B13 Is the resistance approx. 4.0 Ohm for each? (At 25° C / 77° F) Y↓ N→Check the connection between the MD PWB P/J525 and Tray 1 Feed/Nudger Motor P/J269 for open circuit, short circuit, and poor contact. If no problems are found, replace the Tray 1 Feed/Nudger Motor (PL 13.2). Measure the resistance between the MD PWB P/J525-B10/B11/B12/B13 and the Frame. Is the resistance infinite for all? Y↓ N→Check the wires of the pins with non-infinite resistance for peeled-off coatings and short circuits due to pinching. Replace the following parts in sequence: • MD PWB • MCU PWB Press the Stop button. Turn On DC330 [077-104] (Tray 1 Feed Out Sensor). Activate the Actuator by using a sheet of paper, etc. to block/clear the light path to the Tray 1 Feed Out Sensor. Does the display change between High/Low? Y↓ N→Use Transmissive Sensor RAP to check the Tray 1 Feed Out Sensor. Press the Stop button and turn the power Off. Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Front Chute Floating Snap for disengagement • The Tray 1 Nudger Roll and Retard Spring for deformation and snags • The Tray 1 Feed Roll and Nudger Roll for contamination, wear, and revolution failure • The Tray 1 Feed Roll and Nudger Roll Drive Gears for wear and damage • Use of paper out of spec (refer to the Media and Tray Specifications). If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 375.103
• Description: Tray 1 Feed Out Sensor Off Jam. The Tray 1 Feed Out Sensor does not turn Off within the specified time after the Reg Clutch On.
• Remedy: Check the following: • A paper transportation failure due to foreign substances/burrs on the paper path and deformed paper guides • The Tray 1 Takeaway Roll and Pinch Roll for contamination, wear, and revolution failure • The Reg Roll and Pinch Roll for contamination, wear, and revolution failure • The 2nd BTR for contamination, wear, and revolution failure • The Tray 1 Takeaway Roll Drive Gear for wear and damage • The Reg Roll Drive Gear for wear and damage • The 2nd BTR Contact Retract Drive Gear for wear or damage • The Fuser Drive Gear for wear and damage • Use of paper out of spec (refer to the Media and Tray Specifications). • The Tray 1 Feed Out Sensor for contamination, improper installation, and Actuator operation failure • The Tray 1 Feed Out Sensor for failure: dc330 Component Control [077-104] (PL 13.4) • The connection between the Tray 1 Feed Out Sensor P/J179 and the MD PWB P/J525 for open circuit, short circuit, and poor contact • The Main Drive Motor for revolution failure: DC330 [042-002] (PL 3.2) • The 2nd BTR Contact Retract Motor for revolution failure: DC330 [094-003] (Contact), DC330 [094-004] (Retract) (PL 14.4) • The Fuser Drive Motor for revolution failure: DC330 [010-006] (PL 3.1) • The Takeaway Motor for revolution failure: DC330 [077-050] (PL 15.1) • The Reg Clutch for failure: DC330 [077-002] (PL 15.2) If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 375.135
• Description: Reg Sensor On Jam (Tray 1). The Reg Sensor does not turn On within the specified time after the Reg Clutch On after the Feed from the Tray 1 has started.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Tray 1 Takeaway Roll and Pinch Roll for contamination, wear, and revolution failure • The Tray 1 Takeaway Roll Drive Gear for wear and damage • Use of paper out of spec (Refer to the spec in Chapter 6 General) • The Reg Sensor for contamination, improper installation, and Actuator operation failure • The Reg Sensor for failure: dc330 Component Control [077-103] (PL 15.2) • The connection between the Reg Sensor P/J160 and the MD PWB P/J523 for open circuit, short circuit, and poor contact • The Main Drive Motor for revolution failure: DC330 [042-002] (PL 3.2) • The Takeaway Motor for revolution failure: DC330 [077-050] (PL 15.1) If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 375.212
• Description: Tray 1 Nudger Up Down Fault. The Tray 1 Nudger Position Sensor does not change within the specified time after the Tray 1 Nudger Up or Down operation has started.
• Remedy: Turn the power On and enter Service Diag mode (Entering Service Diagnostics). Turn On dc330 Component Control [075-002] (Tray 1 Feed/Nudger Motor). Does the Tray 5 Feed/ Nudger Motor rotate? Y↓ N→Is the voltage between the MD PWB P/J520-1 (+) and the GND (-) +24VDC? Y↓ N→Go to +24VDC Power RAP. Turn the power Off, then measure the Tray 1 Feed/Nudger Motor wire wound resistance. Check the resistance of the following. • Between the MD PWB P/J525-B10 and the P/J525-B11 • Between the MD PWB P/J525-B12 and the P/J525-B13 Is the resistance approx. 4.0 Ohm for each? (At 25° C / 77° F) Y↓ N→Check the connection between the MD PWB P/J525 and Tray 1 Feed/Nudger Motor P/J269 for open circuit, short circuit, and poor contact. If no problems are found, replace the Tray 1 Feed/Nudger Motor (PL 13.2 Item 6). Measure the resistance between the MD PWB P/J525-B10/B11/B12/B13 and the Frame. Is the resistance infinite for all? Y↓ N→Check the wires of the pins with non-infinite resistance for peeled-off coatings and short circuits due to pinching. Replace the following parts in sequence: • MD PWB • MCU PWB Press the Stop button. Turn On DC330 [075-102] (Tray 1 Nudger Position Sensor). Move the Shielding Board to block/clear the light path to the Tray 1 Nudger Position Sensor. Does the display change between High/Low? Y↓ N→Use Transmissive Sensor RAP to check the Tray 1 Nudger Position Sensor. Press the Stop button and turn the power Off. Check the Tray 1 Nudger Roll Up/Down mechanism for mechanical loading, the springs for deformation or snags. If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 377.101
• Description: Reg Sensor Off Jam. The Reg Sensor does not turn Off within the specified time after the Reg Clutch On.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • Each Takeaway Roll and Pinch Roll for contamination, wear, and revolution failure • The Reg Roll and Pinch Roll for contamination, wear, and revolution failure • The 2nd BTR for contamination, wear, and revolution failure • Each Exit Roll and Pinch Roll for contamination, wear, and revolution failure • Each Takeaway Roll Drive Gear for wear and damage • The Reg Roll Drive Gear for wear and damage • The 2nd BTR Contact Retract Drive Gear for wear or damage • The Fuser Drive Gear for wear and damage • Each Exit Roll Drive Gear for wear and damage • Use of paper out of spec (refer to theMedia and Tray Specifications). • The Reg Sensor for contamination, improper installation, and Actuator operation failure • The Reg Sensor for failure: dc330 Component Control [077-103] (PL 15.2) • The connection between the Reg Sensor P/J160 and the MD PWB P/J523 for open circuit, short circuit, and poor contact • The Main Drive Motor for revolution failure: DC330 [042-002] (PL 3.2) • The 2nd BTR Contact Retract Motor for revolution failure: DC330 [094-003] (Contact), DC330 [094-004] (Retract) (PL 14.4) • The Fuser Drive Motor for revolution failure: DC330 [010-006] (PL 3.1) • The Takeaway Motor for revolution failure: DC330 [077-050] (PL 15.1) • The Reg Clutch for failure: DC330 [077-002] (PL 15.2) If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 377.103
• Description: Exit Sensor 1 Off Jam. After the Fuser Exit Sensor turned On, the Fuser Exit Sensor did not turn Off within the specified time.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Fuser for wound up, stuck paper • Each Exit Roll and Pinch Roll for contamination, wear, and revolution failure • Each Exit Roll Drive Gear for wear and damage • The Exit 1 Gate for operation failure • The Exit 2 Gate for operation failure • Use of paper out of spec (refer to the Media and Tray Specifications). • The Fuser Exit Sensor for contamination, improper installation, and Actuator operation failure • The Fuser Exit Sensor for failure: dc330 Component Control [077-101] (PL 7.1) • The connection between the Fuser Assembly DJ600 and the MCU PWB P/J431 for open circuit, short circuit, and poor contact • The Fuser Drive Motor for revolution failure: DC330 [010-006] (PL 3.1) • The Exit 2 Drive Motor for revolution failure: DC330 [077-060] (PL 17.4) • The Exit 2 Gate Solenoid for failure: DC330 [077-003] (PL 17.5) • The Face Up Gate Solenoid for failure: DC330 [077-004] (PL 17.5) If no problems are found, replace the following parts in sequence: • MCU PWB • MD PWB

• Code: 377.104
• Description: Exit Sensor 1 Off Jam (Too Short). After the Fuser Exit Sensor turned On, the Fuser Exit Sensor turned Off before the specified time has passed.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Fuser for wound up, stuck paper • Each Exit Roll and Pinch Roll for contamination, wear, and revolution failure • Each Exit Roll Drive Gear for wear and damage • The Exit 1 Gate for operation failure • The Exit 2 Gate for operation failure • Use of paper out of spec (refer to the Media and Tray Specifications). • The Fuser Exit Sensor for contamination, improper installation, and Actuator operation failure • The Fuser Exit Sensor for failure: dc330 Component Control [077-101] (PL 7.1) • The connection between the Fuser Assembly DJ600 and the MCU PWB P/J431 for open circuit, short circuit, and poor contact • The Fuser Drive Motor for revolution failure: DC330 [010-006] (PL 3.1) • The Exit 2 Drive Motor for revolution failure: DC330 [077-060] (PL 17.4) • The Exit 2 Gate Solenoid for failure: DC330 [077-003] (PL 17.5) • The Face Up Gate Solenoid for failure: DC330 [077-004] (PL 17.5) If no problems are found, replace the following parts in sequence: • MCU PWB • MD PWB

• Code: 377.105
• Description: Exit Sensor 2 Off Jam. After the Exit 2 Sensor turned On, the Exit 2 Sensor did not turn Off within the specified time.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Exit 2 Roll and Pinch Roll for contamination, wear, and revolution failure • The Face Up Exit Roll and Pinch Roll for contamination, wear, and revolution failure • The Exit 2 Roll Drive Gear for wear and damage • The Exit 2 Gate for operation failure • The Face Up Exit Roll Drive Gear for wear and damage • Use of paper out of spec (refer to the Media and Tray Specifications). • The Exit 2 Sensor for contamination, improper installation, and Actuator operation failure • The Exit 2 Sensor for failure: dc330 Component Control [077-100] (PL 17.4) • The connection between the Exit 2 Sensor P/J164 and the MD PWB P/J522 for open circuit, short circuit, and poor contact • The Exit 2 Drive Motor for revolution failure: DC330 [077-060] (PL 17.4) • The Face Up Gate Solenoid for failure: DC330 [077-004] (PL 17.5) If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB