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Rectangular black toner cartridge with green chip and model label

microMICR Corporation

microMICR Corporation MICR-TLN-551 toner cartridge for Lexmark MS4

SKU CH-P4EY-QV92D MPN MICR-TLN-551

Monochrome toner cartridge compatible with Lexmark MS4 printers for MICR printing

  • MICR printing for secure cheque processing
  • Compatible with Lexmark MS4 series printers
  • Monochrome toner cartridge for crisp black output
  • New MICR-TLN-551 cartridge ready to install
  • Replaces Lexmark 55b1000 original supply

MICR toner for Lexmark MS4

The microMICR Corporation MICR-TLN-551 is a monochrome toner cartridge engineered for the Lexmark MS4 printer. It is designed for businesses and financial institutions that require magnetic ink character recognition for cheque printing and secure document handling. This cartridge supplies the specialised MICR toner formulation needed for automated clearing systems.

Direct replacement installs in seconds

The cartridge fits the Lexmark MS4 exactly like the original 55b1000 unit, so no tools or firmware steps are required. The only common issue is forgetting to remove the sealing tape before insertion, which can cause blank pages on the first print run. Ensure the printer is powered on and the front cover is fully closed after installation.

Monochrome MICR yield matches 551 reference

The single specification that decides fit is the monochrome MICR toner type matched to the Lexmark MS4 platform. If your workflow demands standard colour or non-MICR black toner, this cartridge will not meet that requirement. Buyers needing high-capacity colour output or non-magnetic black ink should select a different product.

How it compares

Measured against everything we stock in Print & Scan Accessories, at today’s prices. Recalculated every night.

Price $154.99
Pricier than about 67% of the 5,855 comparable items (median $91.99).

Specifications

Size & build
Shipping weight1.36 kg
Package size362 × 267 × 165 mm

Questions about this item

How do I confirm the MICR-TLN-551 toner cartridge is printing correctly after installation?

Print a test page on the Lexmark MS4 and verify sharp monochrome text with clear MICR line quality at the bottom of each cheque or document.

What comes with the MICR-TLN-551 cartridge and what must I purchase separately?

The box contains the new monochrome toner cartridge only; the Lexmark MS4 printer, paper and any maintenance kits are sold separately.

Which version of the MICR-TLN-551 should I choose for my Lexmark MS4?

Select the MICR-TLN-551 model numbered 55b1000; it is the single monochrome toner cartridge built for the Lexmark MS4 series.

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