• Code: 310.330
• Description: Fuser Motor Fault. The Fuser Drive Motor revolution failure was detected.
• Remedy: • Turn the power Off and check whether the Fuser Assembly is installed properly. • With the Fuser in closed state, rotate the Roller manually to check for loading.
  Turn the power Off and remove the Rear Upper Cover. Disconnect the connector P592 of the MD PWB and open the Chassis Assembly. Turn the power On and enter Service Diagnostics Menu (Entering Service Diagnostics). Turn On dc330 Component Control [010-006] (Fuser Drive Motor). Does the Fuser Drive Motor rotate? Y↓ N→Is the voltage between the Fuser Drive Motor P/J242-1 (+) and the GND (-) +24VDC? Y↓ N→Go to +24VDC Power RAP. Is the voltage between the Fuser Drive Motor P/J243-1 (+) and the GND (-) +5VDC? Y↓ N→Go to +5VDC Power. Turn the power Off and check the connection between the MD PWB P/J525 and the Fuser Drive Motor P/J243 for open circuit, short circuit, and poor contact. If no problems are found, replace the following parts in sequence: • Fuser Drive Motor • MD PWB • MCU PWB Press the Stop button. Check the operation of dc330 Component Control [094-012] (1st BTR Contact) and dc330 Component Control [094-013] (1st BTR Retract) alternately. Does the Fuser Drive Motor rotate? Y↓ N→Turn the power Off and check the 1st BTR Contact/Retract Gear for blockage or damage. Turn the power Off and check the connection between the Fuser Drive Motor P/J243-8 and the MD PWB P/J525-A1 for open circuit, short circuit, and poor contact. If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 310.360
• Description: IH Driver Input High Voltage Fault. The input voltage of the IH Driver is high voltage (150VAC or higher). (Status code 0x1 is received)
• Remedy: Turn the power Off. Remove the Right Cover and remove the Front LVPS Fan. Turn the main power On (turn On the Main Power Switch). Is the voltage between the Main LVPS P/J6-1 and J6-3 100VAC? Y↓ N→Go to AC Power RAP. Turn the main power Off and replace the following parts in sequence: • IH Drive PWB • MCU PWB

• Code: 310.361
• Description: IH Driver Input Low Voltage Fault. The input voltage of the IH Driver is low voltage (80VAC or lower). (Status code 0x2 is received)
• Remedy: Turn the power Off. Remove the Right Cover and remove the Front LVPS Fan. Turn the main power On (turn On the Main Power Switch). Is the voltage between the Main LVPS P/J6-1 and P/J6-3 100VAC? Y↓ N→Go to AC Power RAP. Turn the main power Off and replace the following parts in sequence: • IH Driver PWB • MCU PWB

• Code: 310.362
• Description: IH Driver Surge Fault. The IH Driver detected surge. (Status code 0x3 is received)
• Remedy: 1. Turn the power Off and On. If the error does not clear, continue to step 2. 2. Check the voltage and voltage variation at customer's outlet. If the problem was not resolved by turning the power Off then On and no problems were found after checking the voltage and voltage noise at the outlet, replace the IH Driver PWB.

• Code: 310.363
• Description: IGBT Temperature High Fault. The IGBT Temperature Sensor detected high temperature. (Status code 0x4 is received)
• Remedy: Turn the power Off and remove the Rear Upper Cover. Disconnect the connector P592 of the MD PWB and open the Chassis Assembly. Turn the power On and enter the Service Diagnostics Menu (Entering Service Diagnostics). Turn On dc330 Component Control [042-016] (IH Intake Fan). Is the IH Intake Fan rotating? Y↓ N→Proceed to the 342.332 RAP. Is the IH Exhaust Fan rotating? Y↓ N→Proceed to the 342.330 RAP. Press the Stop button. Turn the power Off and check the connection between the IH Driver P/J530 and the MCU PWB P/J414 for open circuit, short circuit, and poor contact. If no problems are found, replace the following parts in sequence: • IH Driver PWB • MCU PWB

• Code: 310.364
• Description: IGBT Temperature Sensor Fault. An open circuit, short circuit, or abnormal change in Sensor value was detected at the IGBT Temperature Sensor. (Status code 0x5 is received)
• Remedy: 1. Turn the power Off and On. If the error doesn't clear, go to step 2. 2. Turn the power Off and check the connection between the IH Driver P/J530 and the MCU PWB P/J414 for open circuit, short circuit, and poor contact. 3. If no problems are found, replace the following parts in sequence: • IH Driver PWB • MCU PWB

• Code: 310.367
• Description: Input Low Current Fault. The input current was below the lower limit continuously for the specified time. (Status code 0x8 is received)
• Remedy: Turn the power Off and remove the Fuser Assembly. Inspect the Drawer Connector between the Fuser Assembly and the Main Unit ( DJ600) for broken/bent pins, foreign substances, burns, and etc.
  • The relay connector P/J634 for poor contact • The connection between the IH Driver T60 and the Fuser Assembly DJ600-1 for short circuit and poor contact • The connection between the IH Driver T61 and the Fuser Assembly DJ600-3 for short circuit and poor contact If no problems are found, replace the following parts in sequence: • IH Driver PWB • Fuser Assembly • MCU PWB

• Code: 310.368
• Description: Encoder Pulse Fault. The level change of the Belt Speed Sensor was in less than 1 second. (Status code 0x9 is received)
• Remedy: • Turn the power Off and remove the Fuser Assembly. Inspect the Drawer Connector between the Fuser Assembly and the Main Unit ( DJ600) for broken/bent pins, foreign substances, burns, and etc. • Check whether the MCU PWB connector P/J431 is connected properly.
  Check the following connections for short circuits and poor contacts. • Between MCU PWB P/J431-12 and Fuser Assembly DJ600-B7 • Between MCU PWB P/J431-13 and Fuser Assembly DJ600-B6 • Between MCU PWB P/J431-14 and Fuser Assembly DJ600-B5 If no problems are found, replace the following parts in sequence: • Fuser Assembly • MCU PWB