HP LaserJet M426fdw Pro MFP

Use the control-panel Service menu to troubleshoot product problems.

Service menu settings

The Service menu is used to adjust print settings, restore factory default settings, and clean the print paper path.

The following Service menu items are available:

• Cleaning Page.used to remove dust and toner from the print paper path.
• USB Speed.used to set the USB speed to high or full.
• Less Paper Curl.used to put the product into a mode that reduces paper curl.
• Archive Print.used to put the product into a mode that produces output less susceptible to toner smearing and dusting for preservation and archival.
• Firmware Date.used to display the product's firmware date code.
• Restore Defaults.used to reset all customer-accessible menu settings back to the factory default settings (except language) via the control panel or software.
  NOTE: This Service menu item does not reset factory-settable settings, including formatter number, page counts, factory paper settings, language, and so on.
• Signature Check.used to configure how the product proceeds when a firmware upgrade file does not have a valid signature.
• HP Smart Install.used to enable or disable the HP Smart Install functionality.
• LaserJet Update.used to manually update the firmware or to set up automatic firmware updates.