• Code: EF
• Display: EF-Fuser Unit Missing
• Description: The fuser is either missing or requires reseating to be recognized by the printer. Turn off the printer, make sure the fuser is properly installed and turn on the printer. If the problem persists, install a new fuser.
• Remedy: 1. Remove and reinstall the fuser. 2. install a new fuser. 3. Replace the low-voltage power supply. 4. Replace the engine controller board.

• Code: H1
• Display: H1-Hard Disk Read Error
• Description: There was a hard disk read error that prevented the data from being read. Press the Enter button to clear the message. Turn off the printer, wait 15 seconds, then turn on the printer.
• Remedy: 1. Turn the printer off and on again. 2. Ensure the hard drive is properly installed. 3. Re initialize the hard drive. by scrolling to the Reset Menu and selecting the submenu item Disk Init. 4. Replace the hard drive. 5. Replace the system controller board

• Code: H2
• Display: H2-Hard Disk Write Error
• Description: There was a hard disk write error that prevented the data from being written. Press the Enter button to clear the message. Turn off the printer, wait 15 seconds, then turn on the printer.
• Remedy: 1. Turn the printer off and on again. 2. Ensure the hard drive is properly installed. 3. Re initialize the hard drive. by scrolling to the Reset Menu and selecting the submenu item Disk Init. 4. Replace the hard drive. 5. Replace the system controller board

• Code: H3
• Display: H3-Hard Disk Full
• Description: There was a hard disk full error that prevented the data from being written. Press the Enter button to clear the message. Print or delete Secure Print and Proof Print jobs to free up disk space.
• Remedy: 1. Turn the printer off and on again. 2. Ensure the hard drive is properly installed. 3. Re initialize the hard drive. by scrolling to the Reset Menu and selecting the submenu item Disk Init. 4. Replace the hard drive. 5. Replace the system controller board

• Code: H4
• Display: H4-Hard Disk Formatting
• Description: The hard disk is being formatted. Data cannot be written to the disk until the formatting is completed.
• Remedy:

• Code: H5
• Display: H5-Hard Disk Initializing
• Description: The hard disk is being initialized. Data cannot be written to the disk until the formatting is completed.
• Remedy:

• Code: J3
• Display: J3-Replace Fuser
• Description: The fuser has reached its end of life. Install a new fuser.
• Remedy: 1. Install a new fuser. 2. If a new fuser has been installed but the print engine continues to ask for a new fuser, reset the fuser life count using the topic “Consumable count initialization”. Replace the engine controller board.

• Code: J4
• Display: J4-Replace Transfer Belt
• Description: The transfer belt has reached its end of life. Install a new transfer belt.
• Remedy: 1. Install a new transfer belt. 2. If a new transfer belt has been installed but the print engine continues to ask for a new transfer belt, reset the transfer belt life count using the topic “Consumable count initialization”. Replace the engine controller board.