Toner cartridge Lexmark PRISM 78C2UK0 / ZLL-78C2UKR 10.5 Black

Toner cartridge Lexmark PRISM 78C2UK0 / ZLL-78C2UKR 10.5 Black is a replacement black toner designed for compatible Lexmark PRISM series monochrome printers. It restores print density and contrast for business documents, invoices and reports. The cartridge delivers consistent black output for text-heavy pages and standard office graphics, matching the original equipment specifications for reliable everyday use.

Advantages

This black toner cartridge provides stable page yield and uniform color density across print runs, helping maintain legible text and clear monochrome graphics. Its design allows straightforward installation and reduces print defects such as streaks or uneven shading when used with supported Lexmark printers. The cartridge is suitable for routine office environments where consistent black printing is required for documentation and record-keeping.

Suitable for

• Printing business documents, letters and contracts
• Producing invoices, delivery notes and financial reports
• Generating drafts and internal memos
• Monochrome reports and plain-text forms

Key specifications

• Color: Black
• Nominal yield: 10.5 (manufacturer-stated unit)
• Compatibility: Lexmark PRISM series monochrome printers that accept this cartridge model
• Function: Replacement toner for monochrome printing

How to use

Power off the printer or follow the manufacturer’s recommended procedure before replacing consumables. Open the printer front or cartridge access panel, remove the empty cartridge by gently pulling it out, and unpack the replacement cartridge from its protective packaging. Align the cartridge with the guide rails and insert it until it clicks into place. Close the access panel and perform any required printer initialization or calibration according to the printer’s on-screen prompts or user manual. Dispose of the empty cartridge following local recycling regulations or return it through an appropriate recycling program.

Usage recommendations

Store cartridges in a cool, dry place away from direct sunlight and heat sources. Use genuine or compatible cartridges that match the printer’s specifications to maintain print quality and avoid potential damage. If prints show fading or streaks, run the printer’s cleaning cycle and check that the cartridge is correctly seated.