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Canon MP49DII Desktop Printing Calculator Two-Color — main product image
Canon

Canon MP49DII Desktop Printing Calculator Two-Color

The Canon MP49DII prints a two-color audit trail at 4.8 lines per second — built for accounting desks where a paper record isn't optional.

$116.30*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Canon MP49DII is a desktop printing calculator designed for the accounting and bookkeeping use case where a physical paper tape is a workflow requirement, not just a convenience. Its 14-digit fluorescent display handles figures large enough for most business accounting scenarios without overflow, and its 4.8 lines-per-second two-color ribbon printer produces a running record in the standard black/red format that accountants use to verify calculation chains. The feature set — tax calculation, currency conversion, profit margin, time calculation, average function, and clock/calendar — covers the functional breadth of a professional accounting desk tool without requiring software or connectivity.

In practice, the MP49DII occupies a well-defined niche: it's for environments where the paper tape is the deliverable, not a byproduct. Audit support, end-of-day cash reconciliation, and multi-step cost calculations where a verifiable step-by-step record is needed are its natural habitat. The AC power requirement limits it to a fixed desk position, but in that context the machine is straightforward and reliable — no drivers, no pairing, no software conflicts. The ribbon and paper roll are standard consumables available everywhere, which keeps the total cost of ownership predictable over years of daily use.

Key Features

Large, fluorescent, 14-digit display to view data more easily

High-speed ribbon printer prints in 2 colors

Prints in black (positive numbers) and red (negative numbers)

Currency conversion; time calculation function; average function

Clock and calendar function

Specifications

Model
MP49DII
Display
14-digit fluorescent
Print Speed
4.8 lines/second (21mm)
Print Colors
Two-color (black/red)
Paper Width
2-1/4" (57mm)
Power Source
AC power only
Functions
Tax calculation, currency conversion, profit margin, time calculation, average, clock/calendar, rounding, memory, grand total

Pros & Cons

👍 Pros

  • The 14-digit fluorescent display accommodates large dollar figures and long calculation chains without truncating — relevant for accounting work involving six- and seven-figure totals.
  • Automatic two-color printing (black/red for positive/negative) eliminates the need to visually parse tape output — discrepancies jump out immediately during audit review.
  • 4.8 lines/second print speed means the tape doesn't fall behind during fast ten-key entry, keeping the paper record accurate even through rapid input sequences.
  • The built-in clock and calendar function timestamps printed tape when the feature is used, providing a time-of-calculation record without a separate device.
  • Currency conversion and profit margin functions are hardware-resident — no software dependency, no firmware updates, no connectivity required.

👎 Cons

  • AC-only power means the MP49DII cannot be used away from an outlet — no battery option for portable or fieldwork accounting tasks.
  • The fluorescent display, while large and readable, consumes more standby power than LCD alternatives and will eventually dim with age, unlike an LCD panel.
  • The 2-1/4" paper format produces a narrower tape than some wide-format printing calculators, which can make reading dense columnar tape slightly harder for users with vision limitations.
  • The ribbon cartridge is a consumable that needs periodic replacement — while standard, it adds an ongoing supply cost that purely electronic calculators avoid.
  • No USB or serial output means calculations exist only on paper tape — there's no way to export a session's data to a spreadsheet or accounting software directly from the machine.

Frequently Asked Questions

The MP49DII prints positive values in black and negative values in red automatically — no manual switching. This is a standard accounting convention that makes tape review dramatically faster, because errors and debits stand out at a glance without parsing every line.
The MP49DII uses standard 2-1/4" (57mm) wide adding machine paper rolls, which are widely available at office supply retailers. No proprietary paper format is required.
The rated print speed is 4.8 lines per second on 21mm paper advance — fast enough that it doesn't create a bottleneck during rapid ten-key entry sessions. Under real office load, the ribbon mechanism keeps pace without jamming on extended tape runs.
Yes — the MP49DII includes dedicated tax calculation, currency conversion, profit margin, time calculation, and average functions. The tax and currency rate registers hold user-configured values so they don't need to be re-entered between sessions.
It is AC-powered only. There is no battery backup, which means it's a desktop-stationary device. This is standard for printing calculators in this class — the print mechanism draws too much current for practical battery operation.

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