COMPUMATIC (3 Pack) Compatible Calculator Ink Roller Fits Casio HR-170RC HR-200RC HR-300RC Sharp EL-1801V Canon P23-DHV-3 and Many More, Black/Red Replaces IR-40T CP-13 EA-772R
Quick take
This COMPUMATIC 3-pack is a compatible replacement ink roller for certain printing calculators, including popular Casio models like HR-170RC, HR-200RC, and HR-300RC. It is meant to get your printed numbers back to clear readability, and it typically installs quickly. The main buying caveat is fit, you need to match your calculator model to the compatible ink roller cartridge type.
Pros and cons
Pros
- Made for compatible printing calculators, including models such as Casio HR-170RC/HR-200RC/HR-300RC
- Black/red replacement roller cartridge format intended to restore legible output
- Three cartridges included, with each one individually sealed
- Buyer feedback commonly mentions easy installation and a good value
Cons
- Compatibility is model-specific, so a wrong-fit cartridge would not work
- Only intended for printing calculators using this ink roller type, not standard non-print models
- Because it is a compatible cartridge, performance can vary by calculator, so check the exact model match before ordering
What buyers think
Buyer-review evidence emphasizes straightforward installation, with multiple comments noting the cartridge is easy to snap in or swap out. Reviews also highlight value for the money, especially for restoring a printing calculator that otherwise has unreadable printouts. A recurring theme is that the replacement helps bring printed numbers back to usability quickly, and buyers describe the process as simple enough to do without specialized tools.
At the same time, review evidence is limited in how much it discusses long-term durability across many printer-calc units, so it is best to treat this as a practical replacement choice you choose based on model compatibility first.
How this ink roller replacement works for printing calculators
Printing calculators rely on an ink roller or cartridge style consumable that transfers ink to the paper for each calculation printout. When the roller runs low, print can become faint or difficult to read. This COMPUMATIC 3-pack is built to serve as a replacement for specific calculator ink roller cartridge types, including replacements that correspond to part-style references such as IR-40T, CP-13, and EA-772R.
Who this is best for
- You have a compatible Casio printing calculator and your printed output has become hard to read.
- You want a multi-pack replacement so you have spare cartridges on hand.
- You prefer quick maintenance, and you want a replacement that buyers say is easy to install.
Who should avoid it
- You cannot confirm your calculator model uses this ink roller type. If the model match is uncertain, you risk ordering a cartridge that will not fit.
- You own a non-printing calculator. This is for printing calculators that require an ink roller/cartridge to produce output on paper.
Compatibility checklist (use this before buying)
Use the compatible-model list to narrow down your fit. This ink roller cartridge is described as compatible with a wide range of printing calculator models, including (but not limited to) Casio HR-170RC, HR-200RC, HR-300RC, HR-150RC, HR-100RC, HR-100TM, and HR-150TM, plus certain Sharp and Canon printing calculator models like Sharp EL-1801V and Canon P23-DHV-3. If your calculator name and ink cartridge type do not align, do not assume interchangeability.
Pros and cons you should weigh
Pros that matter in daily use
- Helps restore readable prints. Buyer comments connect replacing the roller with getting printed numbers back to clarity.
- Multi-pack value. Three sealed cartridges reduce the chance of being stuck without a replacement when the current roller is depleted.
- Low-friction installation. Reviews frequently describe the swap process as easy.
Tradeoffs and limitations
- Fit risk if your model is not on the compatibility list. Cartridge replacements are unforgiving, so confirm compatibility before purchase.
- Not a general-purpose printer consumable. This is only useful for printing calculators that accept this roller/cartridge style.
Price and availability
This listing is available in the United States and is sold as a 3-pack ink roller replacement. For the most current price and ordering options, check the live listing on Amazon.
Want to compare your options quickly? Buy on Amazon
Alternatives to consider (by buying criteria)
- If you mainly want the safest fit: consider a replacement cartridge that is explicitly matched to your exact calculator model number and cartridge reference.
- If you want fewer future consumables: you could choose single-cartridge options (if available) instead of a multi-pack, assuming they fit your model.
- If print clarity is your top priority: prioritize cartridges with the same cartridge type/part reference your calculator uses, since compatibility drives output quality more than anything else.
Verdict
The COMPUMATIC 3-pack compatible calculator ink roller is a solid replacement pick if you own a compatible printing calculator (including Casio HR-170RC/HR-200RC/HR-300RC and related models) and you need to restore legible printed results. The main thing to get right is compatibility, once that matches, buyers consistently point to easy installation and good value for having multiple cartridges available.
FAQs
Is the COMPUMATIC 3-pack compatible with casio HR-170RC?
It is listed as compatible with Casio printing calculator models including HR-170RC. Before ordering, confirm your exact calculator model name matches a model in the compatibility list for this ink roller cartridge type.
Will this work in non-printing calculators?
No. This product is intended for printing calculators that use an ink roller or cartridge to print results on paper.
How many cartridges are included?
The package includes three individually sealed cartridges.
How hard is it to install?
Review feedback commonly describes the cartridge as easy to install and remove, with a quick snap-in style swap for compatible calculators.
What if my calculator model is not listed?
If your model is not on the compatibility list, do not assume it will fit. Ink roller/cartridge compatibility is model-specific, so you should verify the cartridge type or part reference your calculator uses.
Specifications
| Product Title | COMPUMATIC (3 Pack) Compatible Calculator Ink Roller Fits Casio HR-170RC HR-200RC HR-300RC Sharp EL-1801V Canon P23-DHV-3 and Many More, Black/Red Replaces IR-40T CP-13 EA-772R |
|---|---|
| Category | Electronics > Accessories & Supplies > Office Electronics Accessories > Calculator Accessories |
| Brand | COMPUMATIC |
| Manufacturer | CTR |
| Model Number | IR40T |
| Color | Black/Red |
| Material | Plastic |
| Item Weight | 0.1 Ounces |
| Calculator Type | Printing |
| Power Source | Battery Powered |
| Compatible Devices | Casio HR-100TM, Casio HR-150TM, Casio HR-300RC, Casio HR-200RC, Casio HR-170RC, Casio HR-150RC, Casio HR-100RC |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 7"L x 2.5"W |
| Mfr Part Number | TC100rib |
| Unit Count | 3.0 Count |
Available variants
Size
- 12 Pack
- 6 Pack
- 3 Pack
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