CanonMegaTank

G3821

Last updated July 13, 2026

Canon G3821 is a high performer, cost effective printer which is designed for homes, students, small businesses. Canon G3821 gives reliable, high quality printing at a very low cost. It offers printing, copying, and scanning. Canon G3821 supports wireless connectivity. Canon G3821 is a part of the refillable MegaTank ink system, which significantly delivers high page yields at reduced per page cost. The prints are sharp black-and-white reports or vibrant color graphics.

CountryUnited States OSUnknown

In this Setup

  1. 1 Requirements & Prerequisite
  2. 2 Features
  3. 3 Unboxing & Initial Setup
  4. 4 Manuals & Guides Reg. only
  5. 5 Troubleshooting Steps Reg. only
  6. 6 Downloads Reg. only
  7. 7 Error codes Reg. only
  8. 8 FAQ Reg. only
Requirements & Prerequisite

Gather the following items before you begin setup. Tick each one as you get it.

Unboxing & Initial Setup

Step 1 of 5 Take printer out

Open the box fully and lift the printer upward with support from both sides.

Manuals & Guides

Canon G3821 setup on Windows

WIFI Setup

  1. Power on the Printer:
    • To turn on the printer, plug in the power cord and press the Power button.
  2. Connect the Printer to wifi:
    • Select wifi Connection.
    • Enter the password.
    • Press and hold the Wi-Fi button on the printer until the Wi-Fi lamp blinks.
    • Connect Canon G3821 to your Wi-Fi network.
  3. Download Drivers:
    • Download and install the full driver package from the bottom of the page.
    • When the installation is completed, run the installer file and follow the on-screen instructions.
  4. Print the Test page:
    • To make sure it’s functioning, try printing a test page from Word or Notepad.

USB Setup (Wired Setup):

  1. Power on the Printer:
    • To turn on the printer, plug in the power cord and press the Power button.
  2. Download Drivers:
    • Download and install the full driver package from the bottom of the page.
    • When the installation is completed, run the installer file and follow the on-screen instructions.
  3. Connect the Printer to Your PC:
    • Connect USB cable when prompted.
    • Plug the USB cable into the printer and connect the other end to your PC.
  4. Print the Test page:
    • To make sure it’s functioning, try printing a test page from Word or Notepad.
Full Guides and Drivers Available

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Troubleshooting Steps

  1. Check the power:
    • Check the printer plug and the wall outlet both are securely connected.
  2. Check the cartridges:
    • Make sure the ink cartridges are placed correctly. Also, ensure that there is enough ink.
  3. Check paper:
    • If the papers are not arranged correctly, take them out of the paper tray and straighten them up. Make sure that the paper tray is not jammed. You can now shut off the paper tray.
  4. Check Wi-Fi Connection:
    • Ensure that your printer and device are connected to the same network.
    • Make sure that the WIFI connection is stable.
  5. Update the Driver:
    • Outdated drivers may cause problems.
    • Check for the latest driver updates for your printer model.
    • Download and install the updated driver.

Downloads

Driver Download

Your model G3821

Download drivers

App Download

Canon PRINT for phones and tablets

iOS App Android App

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