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Rectangular black Lexmark toner cartridge with green handle and label

Lexmark

Lexmark LEXC540H1KG toner cartridge (genuine brands)

SKU CH-FWWY-KRR4P MPN LEXC540H1KG

Genuine Lexmark black high-yield toner cartridge compatible with C540, C543, C544, C546, C548 and X540-series printers

  • Cartridge ColorBlack
  • Compatible ProductsLexmark C540N, Lexmark C543DN, Lexmark C544DN, Lexmark C544D
  • High-yield black toner prints more pages per cartridge
  • Works with Lexmark C540, C543, C544, C546 and C548 series
  • Sharp text and deep blacks for professional documents
  • Genuine Lexmark engineering ensures reliable, consistent output
  • Quick, tool-free installation keeps downtime to a minimum

Genuine Lexmark black toner cartridge

The Lexmark LEXC540H1KG is a genuine black toner cartridge built for Lexmark colour laser printers. It fits models including the C540N, C543DN, C544DN, C544DTN, C544DW, C544N, C546DTN, X543DN, X544DN, X544DTN, X544DW, X544N, X546DTN, X548DE and X548DTE. Offices that rely on these devices for daily document output will find it a direct replacement.

High-yield formulation reduces replacement frequency

The high-yield black toner delivers a large page count so users print more pages before swapping cartridges. Consistent toner flow prevents streaks and keeps text sharp across long print runs. Stable operation means the printer spends less time idling for consumable changes during busy periods.

Return programme cartridge supports recycling

This unit is part of Lexmark’s return programme, so the empty cartridge can be sent back for remanufacturing. The scheme lowers waste without adding steps to the normal replacement routine. No extra software or drivers are required; the printer recognises the cartridge immediately on installation.

Highlights

  • High-yield black toner prints more pages per cartridge
  • Works with Lexmark C540, C543, C544, C546 and C548 series
  • Sharp text and deep blacks for professional documents
  • Genuine Lexmark engineering ensures reliable, consistent output
  • Quick, tool-free installation keeps downtime to a minimum

Specifications

BrandLEXMARK
Cartridge ColorBlack
Compatible ProductsLexmark C540N, Lexmark C543DN, Lexmark C544DN, Lexmark C544DTN, Lexmark C544DW,Lexmark C544N, Lexmark C546DTN, Lexmark X543DN , Lexmark X544DN, Lexmark X544DTN,Lexmark X544DW, Lexmark X544N, Lexmark X546DTN, Lexmark X548DE, Lexmark X548DTE
Shipping weight13.36 kg
Package size254 × 102 × 25 mm

Questions about this item

How do I install the Lexmark LEXC540H1KG toner cartridge correctly?

Open the printer front cover, remove the old cartridge by pulling it straight out, unpack the new LEXC540H1KG, gently rock it side-to-side to distribute toner, remove any protective tape, then slide it firmly into the same slot until it clicks and close the cover.

What maintenance or replacement will the Lexmark LEXC540H1KG cartridge need later?

The cartridge itself is a single-use supply; once the toner is depleted you replace the entire unit. No separate drum, developer roller or waste-toner bottle is associated with this model, so the next maintenance step is simply buying another LEXC540H1KG.

What is the first limit I will hit under sustained printing with the Lexmark LEXC540H1KG?

The high-yield black toner will run out first; the cartridge is rated for a high page yield, and when toner is exhausted print quality fades, requiring a full cartridge swap to continue printing.

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