12-pack for Okidata 42377801 Black Ribbon for Microline 420, 421, 490, 491 (ML420, ML421, ML490, ML491)

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Product Details

Precision Mold
ribbon cartridge for Okidata 720 ribbon cartridges are made in precise specifications, allow for seamless and easy installation into your printer.

Installing Steps
Step 1: Open the cover of the printer
Step 2: Install the compatible ribbon cartridge
Step 3: Tighten the screws
Step 4: Adjust the gear according to the thickness of paper
Step 5: Close the cover

Notice
1. Some models look like almost the same (for example, 1600K3 and 1600K3H), but have thoroughly different structures and are NOT compatible for each other.
2. Make sure that the printer is turned off before changing the cartridge.
3. Please do not touch the white wire in the printer.



Features

  • Soft & Durable Ribbon - for Okidata 42377801 printer ribbon adopts high-density Nylon as the base, tends to be more durable, and has no deformation after long-term printing.
  • Crisp & Uniform Printing - Superior quality ink can be efficiently adsorbed and keep good moisture retention. Fine ink particles have good fluidity and prevent clogging of the printer needle.
  • Strict & Smooth Splicing - We utilize ultrasonic welding machine to splice the ribbon, to ensure that the interface is flat, absorb the ink evenly and do not hang the needle when printing.
  • Highly Compatible - Perfectly compatible with OKI MICROLINE:420, 420 n, 421, 421 n, 490, 490 n, 491, 491 n, 720, 721, 790, 791
  • TIPS - please confirm the model of your printer and ribbons.

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