---
product_id: 57000724
title: "(6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More"
brand: "compumatic"
price: "€ 26.56"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/57000724-6-pack-compumatic-compatible-replacement-calculator-ink-roller-black-red
store_origin: NL
region: Netherlands
---

# 6 individually sealed cartridges Dual-color black/red ink Wide Casio model compatibility (6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More

**Brand:** compumatic
**Price:** € 26.56
**Availability:** ✅ In Stock

## Summary

> 🖨️ Ink that keeps your numbers sharp and your workflow sharper!

## Quick Answers

- **What is this?** (6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More by compumatic
- **How much does it cost?** € 26.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/57000724-6-pack-compumatic-compatible-replacement-calculator-ink-roller-black-red)

## Best For

- compumatic enthusiasts

## Why This Product

- Trusted compumatic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Pack Efficiency:** Six sealed ink rollers ensure you’re always ready—no last-minute runs to the store.
- • **Compact & Lightweight:** Easy to store and handle, these rollers won’t weigh down your workspace.
- • **Precision Ink Delivery:** Consistent, smudge-free printing keeps your reports sharp and error-free.
- • **Seamless Compatibility:** Designed to fit a broad range of Casio calculators, maximizing your device’s lifespan.
- • **Vibrant Dual-Color Printing:** Switch effortlessly between black and red for clear, professional calculations.

## Overview

This 6-pack of COMPUMATIC IR-40T ink rollers offers dual black and red ink for Casio printing calculators, compatible with numerous models including HR-100TM and HR-150TM. Each cartridge is individually sealed to maintain ink freshness, ensuring crisp, reliable printouts every time. Lightweight and compact, these rollers are an essential office supply for professionals who demand precision and efficiency.

## Description

(6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More

## Features

- Black and Red 2 Color Ink Roller
- 6 individually sealed cartridges
- Compatible with Casio HR-100TM and HR-150TM Printing Calculator
- Compatible with Casio HR-300RC, HR-200RC, HR-170RC, HR-150RC, HR-100RC Printing Calculator
- Compatible with many other Casio calculator models, see description...

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CTR |
| Brand | COMPUMATIC |
| Item Weight | 0.16 ounces |
| Product Dimensions | 7 x 5 x 0.5 inches |
| Item model number | IR40T |
| Is Discontinued By Manufacturer | No |
| Color | Black/Red |
| Material Type | Ink |
| Size | 6 Pack |
| Manufacturer Part Number | TC100rib |

## Product Details

- **Brand:** COMPUMATIC
- **Color:** Black/Red
- **Calculator Type:** Printing
- **Power Source:** Battery Powered
- **Material:** Ink

## Images

![(6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More - Image 1](https://m.media-amazon.com/images/I/51YIYHSCFIL.jpg)
![(6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More - Image 2](https://m.media-amazon.com/images/I/41L1jj5N0HL.jpg)
![(6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More - Image 3](https://m.media-amazon.com/images/I/71LcbJ-BdNL.jpg)
![(6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More - Image 4](https://m.media-amazon.com/images/I/81WUX5A3urL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: where are they manufactured?**
A: There is nothing listed on the package to indicate where it is manufactured.

**Q: Is the hr-100tm ink roller compatible with casio hr-170rc model ?**
A: I have a Casio HR 100TM, don't know if the ink roller will also fit  the HR 170rc model

**Q: How long does a cartridge last typically?**
A: It greatly depends on usage and it is very subjective as to when the print is "light" but I would estimate a few months on average is a fair estimate for medium use.

**Q: Where can i find the plastic paper roll bracket  that has broken off my hr-100tm  desk top calculator ?**
A: Works great

## Frequently Bought Together

- (6 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More
- Casio HR-170RC Plus – Mini Desktop Printing Calculator | Check & Correct, Cost/Sell/Margin, Dual-Color Print | Ideal for Taxes, Bookkeeping & Accounting Tasks
- Universal UNV35720 16 lbs. 1/2 in. Core 2-1/4 in. x 150 ft. Adding Machine/Calculator Roll - White (3/Pack)

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**Shop now:** [https://www.desertcart.nl/products/57000724-6-pack-compumatic-compatible-replacement-calculator-ink-roller-black-red](https://www.desertcart.nl/products/57000724-6-pack-compumatic-compatible-replacement-calculator-ink-roller-black-red)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-22*