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Five black LD Products printer ribbon cartridges in a pack

LD Products

LD Products Compatible Printer Ribbon for Okidata 42377801 Black 5-Pack

SKU CH-KFBQ-7NSGW

Five-pack of black printer ribbons compatible with OKI MICROLINE 420, 421, 490, 491, 720, 721, 790 and 791 models

  • Black ribbon ink prints on OKI MICROLINE 420, 421, 490, 491, 720, 721, 790, 791
  • Five-pack replaces Okidata 42377801 cartridges for extended printing
  • LD Products compatible ribbon costs less than original brand cartridges
  • New ribbon cartridges install directly into listed OKI MICROLINE printers
  • Manufactured by LD Products for reliable black print output

Compatible Ribbon 5-Pack for Okidata 42377801

This pack contains five black printer ribbon cartridges manufactured by LD Products as replacements for the Okidata 42377801. They are designed for use with OKI MICROLINE models including the 420, 421, 490, 491, 720, 721, 790 and 791 series printers. The ribbons provide a cost-saving alternative to the original brand cartridges.

Replaces OEM Ribbon Cartridges

Each cartridge directly replaces an Okidata 42377801 ribbon in the listed MICROLINE printers. The five-pack format reduces the per-unit cost compared to buying single replacements, making the switch worthwhile for offices or users who print high volumes of text documents, forms or reports on compatible impact printers.

Suits High-Volume Impact Printing

This set suits businesses, warehouses or home offices running the specified OKI MICROLINE models that need a steady supply of black ribbons for continuous printing tasks. It is not suitable for inkjet or laser printers, nor for OKI models outside the listed series, and the ribbons are only guaranteed for printers purchased in the United States and Canada.

Highlights

  • Black ribbon ink prints on OKI MICROLINE 420, 421, 490, 491, 720, 721, 790, 791
  • Five-pack replaces Okidata 42377801 cartridges for extended printing
  • LD Products compatible ribbon costs less than original brand cartridges
  • New ribbon cartridges install directly into listed OKI MICROLINE printers
  • Manufactured by LD Products for reliable black print output

Specifications

BrandLD Products

Questions about this item

Will this cartridge fit the Okidata MICROLINE 420 printer?

Yes, the cartridge is compatible with the Okidata MICROLINE 420 and 420n printers.

How do I install the ribbon cartridge in my Okidata MICROLINE 421?

Open the printer cover, remove the old cartridge, insert the new ribbon cartridge until it clicks into place, then close the cover.

When should I replace the ribbon cartridge in my Okidata MICROLINE 490?

Replace the cartridge when print quality fades, characters become light or broken, or the ribbon reaches the end of its life.

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