TOHITA Magnetic Roller C4129X (29X) Compatible with HP LaserJet 5000, 5100 printers.

Magnetic roller, also known as mag roller, is a core component inside the toner cartridge. It carries toner powder evenly and transfers toner to the OPC drum, directly controlling print density and image quality. Our TOHITA magnetic roller uses premium conductive coating with stable magnetism and good wear resistance.

• Direct replacement for C4129X / 29X toner cartridge

• Uniform toner layer, eliminate light print, uneven black density and grey background fog

• Durable surface coating, long service life for cartridge refilling and remanufacturing

• Strict quality testing before shipment, consistent batch performance

• Perfect for toner rebuild factories, printer repair shops and bulk distributors

If your printed documents appear faded or have inconsistent darkness, this magnetic roller is a cost-effective replacement to restore your HP 5000 / 5100 cartridge performance.