: Check the sticker on your printer or the front panel (e.g., "HP LaserJet Pro M404dn") [1].
: Some very cheap compatibles require you to manually remove the chip from your old OEM cartridge and move it to the new one. This can be tedious and is generally not recommended for beginners [3, 6]. 4. Verify Your Printer Model buy toner cartridges
: These are brand-new cartridges manufactured by third-party companies. They are designed to fit your printer like an OEM but usually cost significantly less [5, 6]. : Check the sticker on your printer or the front panel (e
: Reputable third-party sellers (like LD Products or 123Inkjets) offer 100% satisfaction guarantees if a compatible cartridge fails [5]. buy toner cartridges