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 (CF258A, CF258X, CF289A or CF289X) do not come with chips. These compatible toners will not automatically work when installed in a printer unless you remove the chip from the previously-used […]
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