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HP LaserJet Enterprise M609

Service mode. Partial Clean

The Partial Clean option erases all partitions and data on the disk drive, except for the firmware repository where a backup copy of the firmware file is stored. This allows the disk drive to be reformatted without having to download a firmware upgrade file to return the printer to a bootable state.

Characteristics of a Partial Clean

  • Customer-defined settings, third-party solutions, firmware files, and the operating system are deleted.
  • Rebooting the printer restores the firmware files from the Repository location, but does not restore any customer-defined settings.
  • For previous HP printers, a Hard Disk Initialization is similar to executing the Partial Clean function for this printer.

CAUTION: HP recommends backing-up printer configuration data before executing a Partial Clean to retain customer-defined settings (if needed). See the Backup/Restore item in the Device Maintenance menu.

Reasons for performing a Partial Clean

  • The printer continually boots up in an error state.
    NOTE: Try clearing the error prior to executing a Partial Clean.
  • The printer will not respond to commands from the control panel.
  • Executing the Partial Clean function is helpful for troubleshooting hard disk problems.
  • To reset the printer by deleting all solutions and customer-defined settings.
  • The printer default settings are not properly working.

Execute a Partial Clean from a touchscreen control panel

CAUTION: This procedure resets all printer configurations and settings to factory defaults (customer configurations and settings are lost).

  1. Touch the middle of the control-panel display when you see the 1/8 under the logo.
  2. Use the down arrow ▼ button to highlight the +3:Administrator item, and then touch the OK button.
  3. Use the down arrow ▼ button to highlight Partial Clean and then touch the OK button.
  4. Touch the OK button again.
  5. Touch the Home button to highlight Continue, and then touch the OK button.
    NOTE: The printer initializes.

Execute a Partial Clean from a LCD control panel

CAUTION: This procedure resets all printer configurations and settings to factory defaults (customer configurations and settings are lost).

  1. Press the Cancel button when you see the 1/8 under the logo.
  2. Use the down arrow ▼ button to highlight the +3:Administrator item, and then press the OK button.
  3. Use the down arrow ▼ button to highlight Partial Clean and then press the OK button.
  4. Press the OK button again.
  5. Press the Home button to highlight Continue, and then press the OK button.
    NOTE: The printer initializes.
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