Lexmark
Lexmark C540X31G Black Developer Unit 30000 pages
Genuine Lexmark black developer unit rated for 30000 pages at 5% coverage, compatible with C540, C543, C544, X543, X544, X546 and X548 series printers
- Cartridge QuantitySingle Pack
- Cartridge ColorBlack
- Compatible ProductsLexmark X544dn Lexmark X544dtn Lexmark X544n Lexmark X543dn
- Approximate Page Yield3000 Pages
- Coverage5%
- Genuine Lexmark developer unit ensures reliable print quality
- Approximate yield of 30000 pages at five percent coverage
- Compatible with Lexmark C540, C543, C544, X543, X544 series printers
- Black developer unit designed for laser print technology
- Single pack supplies one complete developer unit
Genuine Lexmark Black Developer Unit
The Lexmark C540X31G is a genuine black developer unit designed for Lexmark C540, C543, C544, X543, X544 and X546 series printers. It ships new in a single pack and installs separately from the toner cartridge to maintain print quality over the printer’s service life.
Rated for 30,000 pages at 5% coverage
This developer unit carries an approximate yield of 30,000 pages measured at the industry-standard 5% page coverage. The component replaces the developer unit inside compatible Lexmark laser printers when the original reaches its rated end of life.
For Lexmark C540, C543, C544, X543.
Buyers with a matching Lexmark model can use this unit to restore consistent black output. It does not fit printers outside the listed C540, C543, C544, X543, X544 and X546 series, so owners of other Lexmark or non-Lexmark devices should look elsewhere.
Highlights
- Genuine Lexmark developer unit ensures reliable print quality
- Approximate yield of 30000 pages at five percent coverage
- Compatible with Lexmark C540, C543, C544, X543, X544 series printers
- Black developer unit designed for laser print technology
- Single pack supplies one complete developer unit
Specifications
| Brand | LEXMARK |
|---|---|
| Model | C540X31G |
| Cartridge Quantity | Single Pack |
| Cartridge Color | Black |
| Compatible Products | Lexmark X544dn Lexmark X544dtn Lexmark X544n Lexmark X543dn Lexmark X544dw Lexmark X546dtn Lexmark X548dte Lexmark X548de Lexmark C544dn Lexmark C544dtn Lexmark C544dw Lexmark C544n Lexmark C543dn Lexmark C540n Lexmark C546dtn Lexmark C540dw |
| Approximate Page Yield | 3000 Pages |
| Coverage | 5% |
| Shipping weight | 0.84 kg |
| Package size | 371 × 165 × 117 mm |
Questions about this item
What does the 30000-page figure mean once the unit is installed in a Lexmark C540?
The 30000-page rating is the approximate yield at 5% coverage per page; actual output will vary with document density, print frequency and environmental conditions.
Which interface or standard does the C540X31G use, and what does it cap in practice?
The developer unit connects through the printer's dedicated developer bay; it does not use a data interface, so no throughput limit applies.
What does the unit physically need to fit or mount in a compatible Lexmark printer?
It slides into the black developer slot of Lexmark C540, C543, C544, X543, X544, X546 and X548 series printers; no tools or extra brackets are required.
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