COMPUMATIC (3 Pack) Calculator Ink Roller Fits Sharp EL-1801V EL-1750V EL-1611V

Quick take

This is a 3-pack of black/red ink rollers for printing calculators, built to replace common roller cartridges used in several Sharp, Casio, Canon, and related models. Buyers tend to like the straightforward setup and the fact that they can restore printing when ink runs out. The main caveat is making sure your calculator model uses the same style of roller, and giving the type wheels a quick clean for the best results.

Pros and cons

Pros

  • 3 individually sealed cartridges (black/red) for longer shelf life and fewer reorders.
  • Designed for a wide set of compatible printing calculator models and replacement part numbers.
  • Manufactured for sharp, crisp output, with guidance to clean type wheels and run test prints.
  • Buyers report installation is easy and the ink rollers work well.

Cons

  • Best value only if your calculator is a confirmed match for the roller type and part number.
  • For best print transfer, you may need to clean the calculator’s type wheels and perform test prints.

What buyers think

Reviewed productBuy on Amazon

Buyer-review evidence is positive, with recurring themes around functionality and ease of use. Multiple reviews highlight that the ink rollers work as expected and restore printing, with at least some buyers specifically mentioning installation was simple. A common “value” angle also shows up, where people appreciate being able to source the right roller replacement at an affordable price point and keep older calculators in service.

That said, buyer-review evidence is limited in terms of deep, model-by-model performance comparisons (for example, how long ink lasts across different calculators). If you’re choosing primarily on print longevity, plan to validate fit and follow the replacement steps for ink transfer.

Who this is for

This replacement ink roller pack is a good fit if you have a printing calculator (not an electronic display-only model) and your current cartridge is fading or not imprinting cleanly. It’s especially useful for households, small offices, and classrooms that keep legacy calculators running, where replacement cartridges need to be easy to find.

Compatibility: check your calculator first

The biggest buying decision here is whether your calculator uses the same roller cartridge type. This pack is positioned as a replacement for a range of compatible models and part numbers, including (among others) Sharp EL-series models such as EL-1750V and EL-1801V, Casio HR-series models, Canon P-series models like P23-DHV-3, and additional compatible designs. Before ordering, confirm your calculator model or the roller part number matches what this pack is intended to replace.

What you get and what it’s like to install

Reviewed productBuy on Amazon

You receive three black/red ink rollers, each packaged for storage. The product guidance emphasizes keeping the calculator type wheels clean and, after installing a new roller, running a few test prints (addition and subtraction are suggested) so ink transfers properly to the wheels.

In practical terms, the reviews suggest the process is generally straightforward for typical home users, with buyers describing easy installation and solid results once installed.

Pros and cons in plain terms

Pros

  • Clear, crisp printing is the goal, and the design is built around transferring ink effectively (especially when type wheels are clean).
  • Three-pack format reduces downtime, so you can keep a spare on hand.
  • Strong buyer-reported experience on basic usability, including easy replacement.

Cons

  • If your calculator is not a confirmed match, you could end up with a roller that does not fit your specific type wheel system.
  • You may need a small amount of care (cleaning and test prints) to avoid uneven or incomplete ink transfer.

Price and availability

This is positioned as a budget-friendly replacement solution, with an included multi-pack quantity that helps spread cost over multiple cartridge replacements. For the most accurate current pricing and shipping options, check the latest listing details.

Buy on Amazon

Alternatives to consider

If you’re shopping for calculator ink accessories, your main alternatives tend to fall into two categories:

  • OEM or brand-specific cartridges: Often preferable when you want maximum certainty about fit, especially for older or less common calculator models.
  • Other compatible third-party roller packs: Can be a better value if they confirm the same replacement part numbers and model compatibility.

When comparing alternatives, prioritize confirmed model/part-number matching over broad “works with many calculators” claims.

Verdict

The COMPUMATIC 3-pack ink roller is a practical replacement option for owners of compatible black/red printing calculators who want an easy way to keep results looking clear. It appears to perform well for routine replacement needs, and the three-pack format is a convenient way to stock up. Just be diligent about compatibility before you buy, and plan for a quick type-wheel clean plus a few test prints for best ink transfer.

FAQ

Will this work with my calculator model?

It’s intended for a specific set of compatible printing calculator models and replacement part numbers. Check your calculator’s model or the ink roller part number against the compatibility list for this cartridge pack before ordering.

Is this cartridge for a printing calculator or a non-printing one?

This is for printing calculator mechanisms that use ink rollers to imprint on paper. If your calculator does not have a printing mechanism, you’ll need a different type of accessory.

How do I get the best print quality after installing a new roller?

For best results, clean the calculator’s type wheels, then run a few test prints after replacing the cartridge so ink transfers evenly to the wheels.

Does the pack include multiple cartridges?

Yes. The pack includes three individually sealed cartridges in black/red.

Is it worth buying a 3-pack instead of a single cartridge?

A 3-pack is typically a good value if you want to reduce downtime and have a spare ready, especially for older calculators used at home, in schools, or in small offices.

Specifications

Product TitleCOMPUMATIC (3 Pack) Calculator Ink Roller Fits Sharp EL-1801V EL-1750V EL-1611V Casio HR-170RC HR-200RC HR-300RC Canon P23-DHV-3 Catiga CP30A CP90A and More, Black/Red IR-40T CP-13 EA-772R
CategoryElectronics > Accessories & Supplies > Office Electronics Accessories > Calculator Accessories
BrandCOMPUMATIC
ManufacturerCompumatic
Model NameFBA_TC100rib
Model NumberIR40T
ColorBlack/Red
Item Weight0.1 Ounces
Calculator TypePrinting
Power SourceBattery Powered
Compatible DevicesSharp EL-1750V, EL-1801V and More
Display TypeLCD
Enclosure MaterialPlastic
Item Dimensions L x W7"L x 2.5"W
Mfr Part NumberFBA_TC100rib
Unit Count3.0 Count

Available variants

Size

  • 6 Pack
  • 12 Pack
  • 3 Pack

Recommended next