Solution: Reuse the Old Chips on the New M507, M428, and M404 Compatible HP Toners
Presently, the compatible HP M507, M428, and M404 toner cartridges (CF258 or CF289) do not come with chips and will not automatically work when installed in a printer. It is necessary that the chip be removed from the previous toner and set into the new compatible toner cartridge so that it will be recognized by the printer. The process is simple: use a pair of tweezers to slide the old chip out of it’s slot and then position it in the same location on the new cartridge.
Watch the video below.