COMPUMATIC (2 Pack) Calculator Ink Roller Fits Sharp EL-1801V EL-1750V EL-1611V

Quick take

This 2-pack black/red calculator ink roller replacement is built for select older desk calculators, including popular Sharp models like the EL-1750V, EL-1801V, and EL-1611V, plus various compatible Casio, Canon, and other models listed by cartridge cross-reference. Buyers generally report clear, solid printing and an easy install, but ink life can be shorter than expected for heavier use.

Pros and cons

Pros

  • Compatible with multiple calculator ink roller/cartridge references, including Sharp EA-772R replacement and models like EL-1750V and EL-1801V
  • Two individually sealed cartridges in a blister pack, useful for keeping a spare on hand
  • Design goal is crisp, dark printing after cleaning type wheels
  • Install feedback is consistently positive, with users saying it fits well and restores readable numbers

Cons

  • Ink longevity may be limited, especially if you print frequently
  • Compatibility is model-specific, so you need to verify your calculator’s cartridge type before buying

What buyers think

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Buyer-review evidence is strongly centered on practical outcomes: the cartridges fit correctly, install is straightforward, and the resulting prints are solid and readable. Several shoppers describe the replacement as restoring normal operation for older “desk calculator” models and appreciate having a two-pack available when ribbons or cartridges can be hard to source. The main recurring drawback theme is that ink might not last as long as some people would like, which matters if you rely on frequent printing rather than occasional use.

Who this ink roller replacement is for

This is a good fit if you own an older printing desk calculator and want a straightforward way to bring back legible outputs. It is especially relevant for buyers with compatible Sharp models such as EL-1611V, EL-1750V, and EL-1801V, and for those needing the black/red ink roller cartridge replacement equivalent commonly cross-referenced to part numbers like EA-772R and several Casio and Canon-compatible references.

Compatibility check: the key thing to verify

Because calculator ink rollers are model-specific, the biggest buying caveat is confirming the cartridge/roller type matches your machine. Before you order, compare your calculator’s existing cartridge or part number to the listed compatible references (for example, the Sharp EA-772R replacement and the broader cross-reference list of models). If you are unsure, matching the cartridge type is more reliable than matching just the brand and general age of the calculator.

What’s in the box, and what the color means

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You get two individually sealed cartridges, blister packaged for easier storage. The ink color is black/red, which is common for calculators that print positive values in one color and negative or contrasting values in the other (depending on your calculator’s print logic).

Print quality and installation expectations

Seller guidance emphasizes cleaning the calculator’s type wheels for best results and running a few test prints after replacement so ink transfers properly to the wheels. This lines up with buyer feedback that installation is easy and printing becomes readable again when installed correctly. If your calculator has not been printing well for a while, a basic wheel cleaning and short test-print routine is worth planning for so you get the darkest, crispest output intended by the cartridge design.

Pros and cons compared to the typical alternatives

When choosing this over “compatible-only” cartridges

If you want a simple, two-pack option for a specific set of compatible calculators, this style of replacement is appealing because it is built around widely used cross-reference part numbers and includes an extra sealed cartridge. The tradeoff is the usual one with calculator ink replacements: you must verify exact compatibility.

When you might consider a different approach

If you only print very occasionally, a single cartridge could be less cost-effective to store, but it may be better aligned to your usage. Conversely, if you print often and reliability of ink longevity is your priority, you may want to compare other cartridge options that specifically target longer runtime, but only if they clearly match your calculator’s cartridge type.

Verdict

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The COMPUMATIC 2-pack black/red ink roller replacement is a practical choice for owners of compatible Sharp and other listed desk calculators who want confident fitment and improved readability after an ink change. The biggest thing to watch is compatibility and realistic ink-life expectations, particularly for heavy printing.

Ready to check whether it matches your calculator? Buy on Amazon

FAQs

How do I confirm this ink roller will fit my calculator?

Verify your calculator’s cartridge or roller type by matching it to the compatible references listed for this replacement (including the Sharp EA-772R replacement reference and the model cross-list). The safest approach is to compare your current cartridge/part type to the replacement’s compatibility list.

Is this a two-pack or a single cartridge?

It is a 2-pack, with two individually sealed cartridges included.

What color ink does this cartridge use?

The cartridges are black/red.

Does installation require special tools?

Based on buyer feedback, installation is generally straightforward. For best results, it helps to ensure the calculator’s type wheels are clean and run a few test prints after the replacement.

Will it work for frequent use, or does ink run out quickly?

Some buyers note that ink may not last as long as they want, so if you print heavily, consider your print volume and confirm you are choosing the right cartridge type for your specific model.

Specifications

Product TitleCOMPUMATIC (2 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
ManufacturerCTR
Model NameFBA_TC100rib
Model NumberFBA_TC100rib
ColorBlack/Red
Item Weight0.1 Ounces
Calculator TypePrinting
Power SourceBattery Powered
Compatible DevicesCasio, Canon, Sharp, Nu-Kote, Porelon, CATIGA, IR-40T, CP-13, EA-772R, NR-42, PR-42, and many others
Display TypeLCD
Enclosure MaterialPlastic
Item Dimensions L x W5"L x 2.5"W
Mfr Part NumberFBA_TC100rib
Unit Count2.0 Count

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