Canon i-SENSYS MF421dw Driver and Manual

Saturday, May 18th 2019. | i-SENSYS Series

Canon i-SENSYS MF421dw Driver and Manual for Windows, Mac OS, and Linux – Adding the Canon i-SENSYS MF421dw is something that you have to really do mainly if you want to get the excellent supporting device for your business. This fabulous printing machine will be able to print, scan, and duplicate your documents and images in the best way possible. So then, you can get all of your various works done by the stuff efficiently. Then, you will find that it can increase your performance in the workplace significantly.

Moreover, the Canon i-SENSYS MF421dw will offer you the splendid advantages that you will admire so much. One of them is that it has so many features to offer to you, which are like 1200×1200 dpi printing resolution, laser printing technology, two-sided printing feature, 250-sheet paper tray, wireless interface, USB, and so many more. All of them will really make the printer work the best for you whenever you need it.

Next, the Canon i-SENSYS MF421dw is actually available for you at the competitive price which can be ranging from £235.41 to £282.49. This specific price range will suit your budget well, and also fit all of the conveniences that you can get from the printer for sure. Thus, there is nothing you will regret when having it in your working room.

Also, recommended: Canon i-SENSYS MF419x Drivers and Manual


Canon i-SENSYS MF421dw Operating Systems Compatibility:

  • Windows 10
  • Windows 8, Windows 8.1
  • Windows 7, Windows 7 SP1
  • Windows Vista SP1, Vista SP2
  • Windows XP SP3 32-bit
  • Mac OS X 10.4 – 10.8 – macOS v10.12 (Sierra), and macOS v10.13 (High Sierra) or later
  • Linux

Canon i-SENSYS MF421dw Specifications

Product Code CANON i-SENSYS MF421dw
Machine type Mono Laser All-In-One
Available functions MF421dw / MF428x : Print, Copy and Scan
MF426dw / MF429x: Print, Copy, Scan, and Fax
Print speed Single sided: Up to 38 ppm (A4); Up to 63.1 ppm (A5-Landscape)
Double sided: Up to 30.3 ipm (A4)
Printing method Monochrome laser beam printing
Print quality Up to 1200 x 1200 dpi
Print Resolution 600 x 600 dpi
Warm-up Time Approx. 14 seconds or less from power on
First Print Out Time Approx: 5.5 seconds or less
Printer languages MF421dw: UFRII, PCL 5e, PCL6
MF426dw / MF428x / MF429x: UFRII, PCL 5e, PCL6, Adobe PostScript
Fonts MF421dw/MF426dw: 45 PCL fonts
136 PostScript fonts
MF428x/MF429x: 93 PCL fonts
136 PostScript fonts
Print margins 5 mm-top, bottom, left and right
10 mm-top, bottom, left and right (Envelope)
Toner saver mode Yes
Advanced printing features Secure Print
Print from USB memory key (JPEG/TIFF/PDF)
Barcode Print (MF428x, MF429x only)
Google Cloud Print Ready
iOS: AirPrint, Canon PRINT Business app
Android; Mopria certified, Canon PRINT Business app
Copy Speed Single sided (A4): Up to 38 ppm
Double sided (A4): Up to 30.3 ipm
First Copy Output Time (FCOT) ADF (A4): Approx. 6.6 seconds or less
Platen (A4): Approx. 6.4 seconds or less
Copy resolution Up to 600 x 600 dpi
Copy Modes Text, Text/Photo (Default), Text/Photo (High Quality), Photo
Double-sided copying 2-sided to 2-sided (Automatic)
Multiple Copy Up to 999 copies
Reduction/Enlargement 25-400% in 1% increments
Other features Frame Erase, Collate, 2 on 1, 4 on 1, ID card copy
Type Colour
Scan Resolution Optical: Up to 600 x 600 dpi
Enhanced: Up to 9600 x 9600 dpi
Scan speed Single sided mono: 38ipm (300x600dpi)
Single-sided colour: 13ipm (300x600dpi)
Double-sided mono: 70ipm (300x600dpi)
Double-sided colour: 26ipm (300x600dpi)
Colour scanning depth 24 bit/24 bit (input/output)
Greyscales 256 levels
Compatibility TWAIN, WIA, ICA
Max. scan width 216mm
Scan to E-mail / PC / USB memory key / FTP TIFF/JPEG/PDF/Compact PDF/Searchable PDF/Encrypted PDF3(MF428x, MF429x only)/PDF (Digital signature) (MF428x, MF429x only)

Step 1: How to Setup or Install the Canon i-SENSYS MF421dw Driver

This step tells you about to install Canon i-SENSYS MF421dw without CD

What you required:

  1. You need to have a driver or software for Canon i-SENSYS MF421dw, for the file of a driver, you can download on the link below.
  2. You need the USB cable to connect the printer to your computer.
  3. Next step, you can follow this instruction below to install Canon i-SENSYS MF421dw printers for the setup file.
  4. The first step you need to turn on your computer and Canon MF421dw printer.
  5. In this step trying to do not connect a USB cable before it is suggested.
  6. Next, you can download, the driver of Canon i-SENSYS MF421dw and don’t forget to install it on your computer by following our instruction.
  7. You can connect the USB cable when the installation of the driver already finished.
  8. Follow the instructions to complete the installation process.
  9. When all step is finished, the Canon i-SENSYS MF421dw is ready to use for the printing.

Step 2: How to Setup or Install the Canon i-SENSYS MF421dw Driver Manually

For this step, you need to add the printer from the Windows feature.

  1. You require the software or Driver file of Canon i-SENSYS MF421dw. You can download a driver on the links we provided.
  2. You need the USB cable for i-SENSYS MF421dw printer.

This step how to install the driver:

  1. First, you need to turn on all of your devices.
  2. Connect the USB cable from your Canon i-SENSYS MF421dw printer to the computer.
  3. Extract the file of driver or software that you have downloaded.
  4. Open “Control Panel”, then click on “View devices and printers”(Windows 7, 8, 10, and Vista). For Windows XP, you can open “Fax & Printers”.
  5. Choose your printer and click “Add a Printer”.
  6. If it has been ready for the driver location, choose the path where you need to extract the setup file.
  7. Follow all of the instructions to finish the installation.
  8. When all step is finished, the Canon i-SENSYS MF421dw printer is ready to use on your computer.

What you required:

  1. You need a CD or DVD drive to install a driver on your computer.
  2. The driver or software CD Disk of Canon i-SENSYS MF421dw that have included in the box of your printer.
  3. The USB Cable for connecting your printer to the computer.

Follow this instruction for the installation process with CD Drive.

  1. The first step, turn on your computer and Canon i-SENSYS MF421dw printer.
  2. Insert CD disk to CD or DVD drive on your computer, and follow the instruction from CD.
  3. Do not connect the USB cable to the printer until needed.
  4. If the installation wizard needs to plug the USB Cable, connect the USB Cable of Canon i-SENSYS MF421dw to the computer.
  5. If the USB Cable of Canon i-SENSYS MF421dw is detected, follow the instructions for the next process of the installation.
  6. When all steps are done, you will get a notification the printer is ready to use.

How To Install Canon i-SENSYS MF421dw Printer Driver On Linux:


  1. A Linux-run device
  2. A Common Unix Printer Service (CUPS) installed on the device.


  1. Turn on your computer and run the CUPS.
  2. Go to the web-based interface.
  3. Open a browser and navigate to localhost: 631.
  4. Connect the printer.
  5. On the browser, go to the Administration tab and select Printers.
  6. Select Add Printer.
  7. You need to enter the username and password.
  8. Your printer (Canon MF421dw) should be on the list displayed. Select it and press Continue.
  9. CUPS detect and add the printer.
  10. A configuration window will pop up, fill values as needed.
  11. The printer is ready to use on your computer.

How To Install Driver of Canon i-SENSYS MF421dw on Mac OS:

  1. You need the file of the driver for your printer. When you have already completed the downloading process, it will be saved in a certain folder.
  2. You need to double-click on the downloaded driver file and mount it on the Disk Image.
  3. You need to double-click again on the mounted Disk Image.
  4. For the last step, double-click on the driver file. Do not worry, the installation will be started automatically.

How to Uninstall Canon i-SENSYS MF421dw Printer Driver:

For Windows:

  1. Click on Windows button on your computer keyboard.
  2. Open “Control Panel”.
  3. Chooses for “Uninstall a Program”
  4. Search for the name of the printer driver you want to uninstall.
  5. Click the Uninstall button.
  6. Wait until the process is completed.

For Mac:

  1. Open Apple Menu.
  2. Click System Preferences.
  3. Select Printers and Scanners.
  4. Choose a printer driver that you want to uninstall. (Select Canon MF421dw if your printer is of that type).
  5. Click Remove.

For Linux:

  1. Go to Application.
  2. Select System Settings.
  3. Select Printers. Printer window will pop up.
  4. Locate the Unlock button on the upper right section, open it.
  5. Enter a password.
  6. Then locate the Canon i-SENSYS MF421dw printer driver you want to uninstall. Find a minus sign on it.
  7. Click the minus sign.

To download a driver or software for Canon i-SENSYS MF421dw, just click on the links that we have provided in this table below. If find any broken link or some problem with this printer please let us know, we will fix it as soon as possible.

Operating SystemVersionSizeDownload
[Windows 32bit & 64bit] Generic Plus PS3 Printer Driver V2.00V2.0059 MBDownload
[Windows 32bit & 64bit] Generic Plus UFR II Printer Driver V2.00V2.0063 MBDownload
[Windows 32bit & 64bit] Generic Plus PCL6 Printer Driver V2.00V2.0059 MBDownload
Scanner Driver & Utilities for Macintosh V2.14.0 [Mac OS: 10.9/10.10/10.11/10.12/10.13/10.14]V2.14.0
92 MBDownload
MF Printer Driver & Utilities for Macintosh V10.11.1 [Mac OS]V10.11.122 MBDownload
PS MF Printer Driver & Utilities for Macintosh V4.8.3 [Mac OS]V4.8.37 MBDownload
UFR II/UFRII LT Printer Driver for Linux V3.70V3.70111 MBDownload
Generic PCL6 V4 Printer Driver v2.0 User Guide for Windows (pdf)USRMA323101 MBDownload
MF Scan Utility User Guide for Windows (pdf)USRMA14801145 KBDownload
ScanGear MF v2.14.0 User Guide for Mac (pdf)USRM2646372 MBDownload

Also, update a driver: Canon i-SENSYS MF418x Driver and Manual

Canon i-SENSYS MF421dw Software and Driver Download for Windows, Mac OS, and Linux

In this website, the owner of has listed you much more driver, software, and user manual what you need to download for Canon MF421dw printer. You don’t have to go to the official Canon site, simple way to download it, just click on the link that we have provided, and don’t forget to follow the manual instruction or you can download a user manual for your printer on this link below.

Canon i-SENSYS MF421dw Driver & Software Download

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