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Two red and black calculator printer ribbons in sealed packaging

DATAPRODUCTS

DATAPRODUCTS R3027 Red/Black Printer Ribbon 2-Pack

SKU CH-KEJ5-WERG1

Two red/black spool ribbons fit Adler, Canon, Casio, Citizen, Hermes, Olivetti and Victor calculators

  • Product color2 Colors
  • Red/black dual-colour printing for clear calculator records
  • Two ribbons per pack keep a spare ready
  • Fits Adler, Canon, Casio, Citizen, Hermes, Olivetti and Victor models
  • Direct replacement for Unisys 19-2076-891 ribbon

Two-colour calculator ribbon pack

This pack contains two Dataproducts R3027 red/black ribbons designed for universal calculator spools. They fit a range of Adler, Canon, Casio, Citizen, Hermes, Olivetti and Victor printing calculators. The ribbons arrive new and ready to install.

Thermal, noise and power considerations

These ribbons are passive consumables that generate no heat, produce no noise and draw no electrical power during operation. They simply transfer ink through mechanical movement of the calculator print mechanism.

How it compares

Measured against everything we stock in Ribbon Cartridges for Printers, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 65% of the 1,003 comparable items (median $17.99).

New to this? Buying a printer and toner with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product color2 Colors

Questions about this item

How do I install the R3027 ribbon in my calculator, and what step do people often miss?

Open the printer cover, remove the old spool, place the new ribbon so the red half sits above the black half, then turn the take-up knob until the ribbon feeds smoothly without slack.

When will the R3027 ribbon need replacement, and how can I tell?

Replace it when printed numbers become faint or the red ink stops appearing; each spool yields several thousand lines, so keep the second pack sealed until the first runs dry.

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