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‎01-29-2019 05:04 AM

HP Recommended
Product: Laserjet M477fdw
Operating System: macOS 10.14 Mojave

How can I downgrade the firmware of my laserjet? The latest firmware update has bricked the printer due to its use of aftermarket toner cartridges (which were working perfectly up until the upgrade). A genuine set of high capacity cartridges will set me back more than $1100 to buy new - this is a printer used at home for printing the kid's homework - are you guys for real?

 

Please provide a solution to downgrade the firmware or provide new firmware that will restore my ability to use the ink cartridges in my printer.

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