HP LaserJet M280 to M281 Firmware v 20200612 - Downgrade
2020
The original HP firmware update for printers in the M280 - M281 range, for example HP LaserJet M281fdw The latest update stops you from using non-HP toner carts. There are guides everywhere on how to install this, I went along the FTP route, but depending on your OS you choose the easiest for you. H
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