
Canon CNMMP21DX Color Printing Calculator AC Powered
Efficient and Reliable Printing CalculatorThe Canon CNMMP21DX is a desktop printing calculator designed for efficient and reliable calculations. Featuring a two-color printing system, a large display, and multiple functions, this calculator is ideal for office environments.Specifications: Displa...
*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Efficient and Reliable Printing Calculator
The Canon CNMMP21DX is a desktop printing calculator designed for efficient and reliable calculations. Featuring a two-color printing system, a large display, and multiple functions, this calculator is ideal for office environments.
Specifications:
- Display: 12-digit fluorescent
- Printing Speed: 3.5 lines per second
- Printing Colors: Black and Red
- Paper Width: 2-1/4" (57mm)
- Functions: 4-key memory, grand total, mark-up/down, tax calculation tip, sign change, item count, delta percent calculation
- Power Source: AC Supply
- Color: White
- Dimensions: 3.7" x 9" x 12.2"
Key Features
12-digit, fluorescent, 2-color display; prints 3.5 lps in 2 colors (Black + / Red -) on 2-1/4" W paper
Includes a spacious keyboard with large key tops and heavy-duty, metallic paper holder
Features 4-key memory, grand total, markup/down, and tax calculation tip
Also offers sign change, item count, and delta percent calculation
Decimal positions are add mode, 0, 2, 3, 4, 6 and floating; runs on AC power
Specifications
Pros & Cons
👍 Pros
- Features a 12-digit, fluorescent, 2-color display, offering clear visibility of positive and negative numbers.
- Prints at a fast rate of 3.5 lines per second in two colors (Black + / Red -) on 2-1/4" wide paper for clear records.
- Equipped with a spacious keyboard and large key tops, promoting comfortable and accurate data entry.
- Includes a heavy-duty, metallic paper holder, ensuring stability during printing operations.
- Offers essential business functions like 4-key memory, grand total, markup/down, and tax calculation.
- Provides practical features such as sign change, item count, and delta percent calculation.
- Supports flexible decimal positions including add mode, 0, 2, 3, 4, 6, and floating settings.
- Operates reliably on AC power, eliminating concerns about battery life during extended use.
👎 Cons
- The fluorescent display, while clear, might be less energy-efficient than modern LCD displays.
- Printing at 3.5 lines per second might be considered slow for users with very high volume printing needs.
- Requires 2-1/4" wide paper, which necessitates keeping a specific paper stock available.
- Being AC powered means it is not portable and requires access to an electrical outlet for operation.
- The metallic paper holder, while heavy-duty, might add to the overall weight of the calculator.