USB Firmware Upgrade menu

To display: At the product control panel, select the Device Maintenance menu, and then select the USB Firmware Upgrade menu.

Insert a USB storage device with a firmware upgrade bundle into the USB port, and follow the on- screen instructions.

Service menu

The Service menu is locked and requires a personal identification number (PIN) for access. This menu is intended for use by authorized service personnel.

ENWW

Device Maintenance menu 35

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HP M551DN manual USB Firmware Upgrade menu, Service menu