Toner KATUN replacement for TK-1140 (model 50385) Black, compatible laser printer cartridge

KATUN replacement toner for TK-1140 (model 50385) Black is an aftermarket monochrome laser printer cartridge designed as a direct alternative for printers that accept TK-1140 cartridges. It delivers standard black-and-white output suitable for everyday office documents, correspondence and internal reports. The cartridge is intended to provide reliable page yields and uncomplicated installation in compatible devices.

Advantages

This KATUN black toner cartridge offers consistent print density and sharp text reproduction for standard office needs. Manufactured to match the form factor and basic performance expectations of the TK-1140 family, it simplifies replacement with a familiar installation process. The aftermarket supply is aimed at providing cost-effective printing while maintaining functional compatibility and predictable output for typical monochrome tasks.

Suitable for

• Printing black-and-white documents, letters and reports
• Everyday office printing and internal documentation
• Educational and administrative paperwork where standard monochrome output is required

Key specifications

• Color: Black
• Cartridge type: Toner for monochrome laser printers
• Compatibility: Designed for printers that accept TK-1140 series cartridges
• Intended use: Standard text and office document printing
• Form factor: Single black toner cartridge for direct replacement

How to use

Turn the printer off or follow the manufacturer’s guidance for safe cartridge replacement. Open the printer access panel, remove the empty cartridge according to your device’s instructions, and gently unpack the KATUN replacement toner. Align the cartridge with the guide rails and slide it into place until it clicks or seats firmly. Close the access panel and allow the printer to initialize; run a test page or alignment check if available to confirm proper installation and print quality.

Usage recommendations

Store the cartridge in a cool, dry place away from direct sunlight and heat sources. For consistent results, use printer settings optimized for monochrome toner, and perform occasional cleaning of the paper path and rollers to prevent streaks and maintain print quality.