Compatible Replacement Chip for Lexmark CS/CX421 (non-OEM) 

The chip resets the toner cartridge, so you can refill it and use it for another lifetime.

Its compatible with these models. 

There is a killer chip. It locks out and stops you printing. You must replace it each time you refill to reset the cartridge and restore full functionality. It may also be used with the Starter Cartridge. 

Specific instructions included - Fits in place of the original in the chip holder on front of the cartridge. 

Its for Europe region only.

Available for the Black, Cyan, Magenta or Yellow, or as a Rainbow Pack with each of the four colours.

Please note you also need the correct toner powder for use with this model. These are the chips only but toner bottles are available at TonerTopUp. The cartridge must be full of toner when you install the new chip or it will be useless.

Environmentally friendly!  Refilling cartridges saves raw materials, landfill waste, energy and CO2 emissions.

Save money! Refilling with high quality compatible toner and re-chipping gives excellent results and costs much less than buying an original cartridge.

Important! Ensure that your printer model, cartridge number and region match the details below.

• Product Name: Lexmark CS/CX421 Type Chip
• Compatible Models: See above list.
• Cartridge No.: 78C20K0 Black, 78C20C0 Cyan, 78C20M0 Magenta, 78C20Y0 Yellow
• Page Yield/Capacity: Up to 2,000 pages Black or 1,400 pages Colour at 5% nominal coverage
  
• Condition: New compatible
• Region: EUR| Learn more
• Function: Resets the toner cartridge to enable and refilling or re-manufacturing.