Before we jump to the download links, you must understand why this happens. In 2015–2018, Samsung pushed automatic firmware updates (version V3.00.01.35 and later) containing .

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If firmware downgrades scare you, there is a hardware solution. Open the toner cartridge. Locate the green translucent gear on the left side. Using a small screwdriver, rotate this gear until you feel a click. This mechanically resets the gear counter. Note: This works for 1-2 cycles only.

Most "Fix Firmware" files are not official Samsung/HP releases and are often provided by third-party services like ORPYS or eReset .