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HP Color LaserJet Pro MFP M479dw

Service mode. Printer resets

Restore the factory-set defaults

Restoring the factory-set defaults returns all of the printer and network settings to the factory defaults. It will not reset the page count, tray size, or language. To restore the printer to the factory-default settings, follow these steps.

CAUTION:
Restoring the factory-set defaults returns all of the settings to the factory defaults, and it also deletes any pages that are stored in the memory.

  1. 2-line control panels: On the printer control panel, press the OK button to enter the Setup menu, use the left ᐊ and the right ᐅ to navigate to Printer Maintenance menu, then use arrow buttons to navigate to Restore menu, press the OK button, and then use arrow buttons to navigate to Restore Factory Defaults, and then press the OK button.
    Touchscreen control panels: From the Home screen on the printer control panel swipe down to gain access to the home screen dash board, and then touch [gear] icon.
  2. Open the Printer Maintenance menu.
  3. Open the Restore menu.
  4. Select the Restore Factory Defaults option.
    The printer automatically restarts.

Semi-full reset

CAUTION:
Be sure to print a configuration page before performing an semi-full reset.

A semi-full reset erases all data stored in the unprotected NVRAM sections. Performing a semi-full resets the following settings and information:

  • All menu settings are reset to factory default values.
  • All localization settings, including language and country/region, are reset.

After performing a semi-full reset, reconfigure any computers that print to this printer so that the computers can recognize the printer.

  1. Turn the printer off.
  2. 2-line control panels: Press the [Cancel] and the Cancel button once, and then press the [Return] button once, and then press the [Cancel] button twice. to enter the Support menu. Use the ᐊ or ᐅ the to navigate to Resets menu and then press the OK button. Use arrow keys to navigate to Semi-fill reset , and then press the OK button.
    Touchscreen control panels: Press the [Return] four times to enter the Support menu. Touch Resets menu, and then touch Semi-full resets menu.
  3. When the Semi-full reset message appears on the display.
    The semi-full reset starts.
  4. When the printer has finished the semi-full reset, it returns to the Ready state.

OOBE or Cold reset

WARNING!
An OOBE or Cold reset will reset the printer’s page count to zero and removes the formatter association to the printer serial number. The lack of formatter association to the printer serial number might affect the printer's warranty entitlement. Also, the printer will not be allowed to connect to the HP cloud.

An OOBE or Cold reset restores the printer to the “generic printer mode” in which it arrived from the factory. This means that you will have to reset the language and country/region settings when the printer starts after the initialization. An OOBE or Cold reset erases all data stored in the protected and unprotected NVRAM sections.

  1. Turn the printer off.
  2. 2-line control panels: Press the OK button to enter the Setup Menu. Use the ᐊ or ᐅ the to navigate to Printer Maintenance menu, press OK button, and then use the arrow buttons to navigate to Restore menu press the OK button, and then use arrow buttons to navigate to Cold Reset, and then press the OK button.
    Touchscreen control panels: From the Home screen on the printer control panel swipe down to gain access to the home screen dash board, and then touch [Gear] icon, then touch Printer Maintenance menu, then touch Restore menu, and then touch Cold Reset.
  3. The Cold Resets message appears on the display.
    The cold resets starts
  4. When the cold reset has been completed, the printer enters the generic printer mode.
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Service Mode, Troubleshooting
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