Enter your (e.g., LaserJet M602) rather than the accessory model J8013E. Expand the Firmware section.

Yes. HP bundles firmware for the entire M60x series into one file. The updater detects the specific model automatically.

Tell the switch to boot from the primary image on the next restart.

You can update the firmware using several methods depending on your network setup: This is the simplest method for a single device.