Toner cartridge KATUN 39939 — black replacement for compatible office printers

KATUN 39939 is a black toner cartridge kit designed as a replacement consumable for compatible office laser printers. The cartridge supplies black toner for standard document printing and everyday office use, providing a direct replacement option where original manufacturer's cartridges are not required. The product is intended for users who need a straightforward swap-in black toner to restore printing capacity with a focus on reliable monochrome output.

Advantages

The KATUN black toner cartridge offers consistent black printing performance across standard office documents, including text and simple graphics. It is supplied as a ready-to-install kit and is compatible with a range of models listed by the cartridge manufacturer. The cartridge is produced to meet typical office yield expectations and is designed for easy installation, helping reduce downtime compared with refilling or service interventions.

Suitable for (tasks / use cases)

• Printing business documents such as letters, invoices, and reports
• Everyday monochrome printing in offices and home offices
• Replacement of depleted black toner cartridges to restore printer functionality

Key specifications

• Color: Black
• Form: Toner cartridge kit for laser printers
• Intended use: Monochrome document printing
• Packaging: Single cartridge kit ready for installation

How to use

Before installation, turn the printer off if recommended by the printer manufacturer and follow any safety instructions in the printer manual. Remove the empty or depleted cartridge according to the printer’s instructions and unpack the replacement cartridge from its protective packaging. Gently shake the cartridge side to side if specified by the manufacturer to distribute toner evenly, then insert the cartridge into the printer along the guides until it clicks or seats securely. Close any access panels, turn the printer on if switched off, and run a test print or printer alignment procedure if required.

Usage recommendations

Store unopened cartridges in a cool, dry place away from direct sunlight and extreme temperatures. Handle the cartridge carefully to avoid toner spills and avoid touching the imaging drum or contacts. Dispose of empty cartridges in accordance with local recycling regulations or return programs offered by recycling organizations or the cartridge supplier.