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Four rectangular black toner cartridges in a clear plastic pack

LD Products

LD Products CF320X Compatible Toner Cartridge 4-Pack Black High Yield 21000 Pages

SKU CH-HFAQ-DWKMR

Four high-yield black toner cartridges, each rated for 21,000 pages, compatible with HP Color LaserJet Enterprise MFP M680 series and LaserJet Pro 600 MFP M675 printers

  • TypeTONER
  • High-yield black toner prints up to 21,000 pages per cartridge
  • Four-cartridge pack lowers cost per page for high-volume printing
  • ISO/IEC 24711 tested yield at 5 % coverage ensures consistent output
  • Professionally manufactured and quality tested for bold, vivid prints
  • Compatible with HP Color LaserJet Enterprise MFP M680dn, M680f, M680z and LaserJet Pro 600 MFP M675

What this pack replaces

This four-pack contains CF320XCTA high-yield black toner cartridges built to replace the HP 653X original. Each unit is newly manufactured by LD Products, not remanufactured, and tested for consistent output on every page. The set works with HP Color LaserJet Enterprise MFP M680dn, M680f and M680z as well as the LaserJet Pro 600 Color MFP M675.

Storage life and rated yield

Cartridges should be kept in a cool, dry place and used within 36 months of purchase for optimal performance. Rated page yield is 21,000 pages per cartridge measured at 5 % coverage in accordance with ISO IEC 24711. Actual yield varies with document content and printer settings.

Region restriction to note

This item will only work with printers purchased within the United States and Canada. Buyers whose hardware was sourced outside those markets cannot use this pack and must seek a region-matched alternative.

Highlights

  • High-yield black toner prints up to 21,000 pages per cartridge
  • Four-cartridge pack lowers cost per page for high-volume printing
  • ISO/IEC 24711 tested yield at 5 % coverage ensures consistent output
  • Professionally manufactured and quality tested for bold, vivid prints
  • Compatible with HP Color LaserJet Enterprise MFP M680dn, M680f, M680z and LaserJet Pro 600 MFP M675

Specifications

BrandLD Products
TypeTONER

Questions about this item

How do I install the CF320XCTA cartridge and which step is most often missed?

Open the front door, pull the old black cartridge straight out, rock the new CF320XCTA gently side-to-side to distribute toner, remove the orange sealing tape completely, then slide it in until it clicks; the step most often missed is forgetting to pull the full length of sealing tape before insertion.

What maintenance or replacement will the CF320XCTA pack need over time?

Each cartridge yields about 21,000 pages at 5 % coverage per ISO IEC 24711; after that the toner is exhausted and the whole cartridge must be replaced. Store unused units cool and dry, and use within 36 months of purchase for optimal performance.

What limit appears first during long print runs with the CF320XCTA?

The 21,000-page rated yield per cartridge is the first hard limit; once that volume is reached print density drops and the cartridge must be swapped.

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