Service mode functions
Service menu
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 Datecode—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 update file does not
have a valid signature.
●
Laser Jet Update—used to manually update the firmware or to set up automatic firmware updates.
NOTE: The Laser Jet Update feature is only available on M701n and M706n models.
Restore the factory-set defaults
1. From the Home screen on the product control panel, press the OK button.
2. Scroll to and select the Service menu.
3. Scroll to and select the Restore Defaults button, and then press the OK button.
The product automatically restarts.
Secondary service menu
Use the secondary service menu to print service-related reports and to run special tests. Customers do not
have access to this menu.
Open the secondary service menu
NOTE: When the menus are accessed, some of the buttons located along the sides of the control panel
display are not illuminated. Use the figure below to locate the Cancel
button and the left arrow button to
access the control panel tests.
90 Chapter 2 Solve problems ENWW
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