CanonMegaTank

G4780

Last updated August 18, 2026

The Canon PIXMA G4780 is an all-in-one ink tank printer designed for high-volume, low-cost printing. It combines printing, copying, scanning, and faxing capabilities, making it ideal for both home offices and small businesses. The printer features a refillable ink tank system, which significantly reduces printing costs while offering reliable and efficient performance. With wireless connectivity and mobile printing support, the G4780 is a versatile and user-friendly solution for everyday printing needs. This guide will help you set up the Canon PIXMA G4780, install drivers, and connect it to your devices.

CountryUnited States OSUnknown

Requirements & Prerequisite

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

Power cable and a nearby electrical outlet
Ink or toner cartridges (included or purchased separately for Printers only)
Wi-Fi network name (SSID) and password (For Wireless Printers)
Computer(Mac, Windows, Linux), Tablet (iPad, Android), or Smartphone (Android, iOS) for setup
Printer placed within range of your Wi-Fi router
USB cable

Unboxing & Initial Setup

Step 1 of 5 Take printer out

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

Unbox the Printer:
Remove the Canon G4780 and its accessories, including ink bottles, power cable, and manuals, from the box.
Install the Ink:
Open the ink tank compartment and carefully fill each tank with the provided ink bottles. Ensure each tank is filled correctly, following the manual’s instructions.
Power On the Printer:
Connect the printer to a power source, turn it on using the power button, and allow it to initialize.
Load Paper:
Open the paper tray, adjust the guides, and load paper into the tray.

Connect this printer

Use your computer’s printer list or the Canon PRINT app to add this model.

Manuals & Guides

Canon G4780 setup on Windows

Download the Driver:
- Download Driver from the below section.
Run the Installer:
- Once downloaded, run the setup file and follow the on-screen instructions to install the driver.
Select Connection Type:
- During the installation process, choose your preferred connection method (USB, Ethernet, or Wi-Fi).

Access Wireless LAN Setup:
- On the printer’s control panel, navigate to Settings and select Wireless LAN Setup.
Connect to Wi-Fi:
- Select your Wi-Fi network from the available options and enter the password.
Confirm Connection:
- Wait for the confirmation message that the printer is connected to the Wi-Fi network.

Print a Test Page:
- After driver installation, print a test page to ensure everything is functioning properly.
Mobile Printing:
- Download the Canon PRINT Inkjet/SELPHY app to enable wireless printing from your smartphone or tablet.

Automatic Duplex Printing:
- Enable auto duplex printing for two-sided printing, which saves paper.
Cloud Print:
- Set up Google Cloud Print or Apple AirPrint for seamless cloud printing.

Full Guides and Drivers Available

Register to Download & Connect

To ensure you receive the highest level of support and access to essential resources, you will have to register with us. As a Premium User, you will gain exclusive access to the latest Driver Downloads, Detailed How-To Guides, and Priority Live Chat Support. This upgrade is essential for optimizing your experience and troubleshooting effectively.

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Downloads

Driver Download

Your model G4780

Download drivers

Driver downloads for Canon G4780 on Unknown are available for registered users.

Compatibility

Windows

Device detected Detected OS: Unknown

Error codes

All

001 003 005 012 018 019

FAQ

What should I do if my printer driver installation fails?

If the Driver installation fails, you will need to check the Operating system properly. Sometimes the 32 Bit OS does not support the 64 Bit OS Driver. Though the Operating system is detected by the Canon website automatically, you will still need to be sure.

Why is my printer showing offline or failing to connect to Wi-Fi?

This usually happens when the WiFi settings that you are trying to connect to are either wrong or the WiFi is not working. It can Also happen if the WiFi signal Strength is not good.

Which operating systems (Windows, macOS, Mobile) are supported?

It depends on the printer model, Some Canon printer models are not compatible with some operating systems like iOS, Android, and Chromebook because they do not support Wireless functionality. You can check the compatibility on the right side of this page or on the official Canon Website.

What should I check if my printer is not recognized by my computer via USB?

You should first download the Recommended Drivers for you Canon Printer on your Windows or Mac computer, Then you should check the printer, make sure the ink and the cartridges are installed properly and the printer is connected to the Power and turned on.