1. Product Overview
The Canon PIXMA MegaTank G3730 is an all-in-one inkjet printer designed for printing, scanning, and copying. It features color output and versatile connectivity options including Wi-Fi, AirPrint, Mopria, Direct Wireless, and USB 2.0. The integrated scanner offers a resolution of 600 x 1200 dpi.

Image 1.1: Front view of the Canon PIXMA MegaTank G3730 printer with ink bottles.
This printer is compatible with Windows 11 / 10 / 8.1 / 7 SP1 (operation guaranteed on a PC with pre-installed Windows 7 or later), macOS 10.14.6 – 12 or later, and Chrome OS. Mobile connectivity is supported via Canon Print Service, PIXMA Cloud Link, Canon PRINT Inkjet/SELPHY, and Airprint. It does not support duplex printing or enlarge/reduce options directly from the device.

Image 1.2: The Canon PIXMA G3730 is designed for high-volume printing, scanning, and copying.
The printer offers a monochrome print yield of 3100 prints and a color print yield of 4400 prints (as per ISO/IEC 24711 for A4 size). Maximum print speeds are 11 images per minute for monochrome and 6 images per minute for color. The maximum print resolution is 4800 x 1200 dpi.

Image 1.3: The PIXMA G3730 features Wi-Fi connectivity and low-cost ink bottles.
2. Initial Setup
Before using your Canon PIXMA MegaTank G3730, ensure all packaging materials are removed. The package includes the printer, a power cord, a USB cable, this instruction manual, and one set of GI71S Cyan, Magenta, Yellow, and Black ink bottles.
2.1 Connecting the Printer
- Connect the power cord to the printer and a power outlet.
- Turn on the printer.
- For initial setup, it is recommended to connect the printer to your computer using the provided USB cable.
2.2 Installing Drivers and Software
To enable full functionality, install the necessary drivers and software on your computer or mobile device. These can typically be found on the Canon support website for your specific model.

Image 2.1: The setup process involves establishing a connection, installing drivers, and then printing.
3. Operating the Printer
3.1 Loading Paper
The maximum input sheet capacity is 100 sheets (A4). The printer supports various page sizes including A4, A5, A6, B5, LTR, LGL, Executive, Oficio2, B-Oficio, M-Oficio, Legal (India), Foolscap, F4, 4 x 6", 5 x 7", 7 x 10", 8 x 10", Envelopes, Square, Card Size, and custom sizes (Width: 55 - 216 mm, Length: 89 - 1,200 mm). The maximum paper thickness supported is 64 to 275 GSM.

Image 3.1: The printer features a 100-sheet paper input tray and an intuitive button panel.
3.2 Printing Documents and Photos
The printer supports both standard and economy print modes. Special features include borderless printing and Camera Direct via Wireless LAN. You can print documents, photocopies, and photos with ease.

Image 3.2: The printer supports various printing tasks including documents, photocopies, and photos.
3.3 Scanning and Copying
The integrated CIS Flatbed scanner allows for scanning documents and images. Copying functions are also available directly from the printer's control panel.
3.4 Wireless Connectivity
Utilize Wi-Fi for printing from smartphones, tablets, and laptops. The Canon PRINT app and Canon Easy-PhotoPrint Editor app provide seamless mobile printing solutions. The printer supports secured wireless communication with WPA3 and TLS1.3.

Image 3.3: Connect and print wirelessly from various devices using the Canon PRINT app.
4. Maintenance
4.1 Ink Refilling
The PIXMA G3730 uses GI71 Cyan, Magenta, Yellow, and Black ink bottles. The ink bottle nozzles are designed for easy and mess-free refilling into the designated ink tanks, preventing accidental mixing.

Image 4.1: The ink refill process is simplified with specially designed small ink bottles.
4.2 Maintenance Cartridge
The printer features an easy-to-replace maintenance cartridge, which helps in fuss-free maintenance and extends the printer's lifespan, especially during high-volume printing.

Image 4.2: The maintenance cartridge can be easily replaced to ensure long-term printer performance.
5. Troubleshooting
If you encounter issues with your printer, consider the following general troubleshooting steps:
- Connectivity Issues: Ensure your printer is properly connected to your network (for Wi-Fi) or computer (for USB). Restarting both the printer and the connected device can often resolve temporary connection problems.
- Print Quality Problems: Check ink levels and perform print head cleaning or alignment from the printer's utility software. Ensure you are using appropriate paper types and settings for your print job.
- Paper Jams: Carefully remove any jammed paper following the instructions in the full user manual. Avoid tearing the paper inside the printer.
- Software/Driver Issues: Verify that you have the latest drivers installed for your operating system. Reinstalling drivers can sometimes fix unexpected behavior.
For detailed troubleshooting guides and specific error codes, please refer to the comprehensive user manual provided with your printer or visit the official Canon support website.
6. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 33.7D x 41.6W x 17.7H Centimeters |
| Controller Type | Push Button |
| Maximum Media Size | 8.5 x 14 inch |
| Power Consumption | 0.6 Watts (Standby) |
| Print Media | Envelopes, Glossy photo paper, Paper (plain) |
| Scanner Type | Flatbed |
| Max Input Sheet Capacity | 100 |
| Max Copy Speed (Black and White) | 11 ppm |
| Maximum Colour Print Resolution | 4800 x 1200 Dots Per Inch |
| Sheet Size | 4 x 6, 5 x 7, 7 x 10, 8 x 10 Inches, A4, A5, A6, B5, LTR, LGL, Executive, Oficio2, B-Oficio, M-Oficio, Legal (India), Foolscap, F4, Envelopes, Square, Card Size, Custom Size |
| Dual-sided printing | No |
| Hardware Interface | USB 2.0 |
| Ink Colour | Cyan, Magenta, Yellow, Black |
| Compatible Cartridge | GI71 Cyan, Magenta, Yellow, Black |
| Output Sheet Capacity | 100 |
| Total USB Ports | 1 |
| Specific Uses For Product | Home, Office |
| Printing Technology | Inkjet |
| Special Feature | Borderless Printing, Refillable Ink Tank |
| Printer Output | Colour |
| Maximum Print Speed (Colour) | 6 ppm |
| Max Print speed Monochrome | 11 ppm |
| Item Weight | 6 Kilograms |
7. Warranty and Support
The Canon PIXMA MegaTank G3730 comes with a warranty of 2 Years or 30,000 prints, whichever is earlier. This includes print heads and is an onsite warranty from the date of purchase. The warranty is applicable only on manufacturing defects.
For further assistance, technical support, or warranty claims, please contact Canon customer service or visit the official Canon support website.
8. Product Videos
8.1 Canon PIXMA G3730 Product Features
Video 8.1: This video provides an overview of the Canon PIXMA G3730's key features, including its all-in-one functionality, connectivity options, and printing capabilities.





