Open the box fully and lift the printer upward with support from both sides.
CanonimageCLASS
MF643Cdw
Last updated July 13, 2026
Canon image CLASS MF643Cdw is a smart and productive 3-in-1 color multifunction printer. It is designed to keep up with business demands. It provides a quality of functions. It is featured with Application Library that helps you work smarter and more efficiently. Canon image CLASS MF643Cdw comes with standard PCL language, enabling the printer to work with a wide range of business applications.
CountryUnited States
OSUnknown
In this Setup
Requirements & Prerequisite
Gather the following items before you begin setup. Tick each one as you get it.
Unboxing & Initial Setup
- Take out the printer from the box.
- Remove the packaging.
- Remove and discard the protective tape.
- Connect the power cord, and then press the ON button.
- Set language, date, time.
- Load plain LTR or A4 size paper.
Manuals & Guides
Canon MF643Cdw setup on Windows
Canon MF643Cdw setup on macOS
Canon MF643Cdw setup on iPhone & iPad
Canon MF643Cdw setup on Android
Canon MF643Cdw setup on Chromebook
Troubleshooting Steps
- Printer not connecting to wifi:
- Possible Causes: Incorrect password, weak, signal or outdated firmware.
- Solutions:
- a. Ensure your Wi-Fi password is correct
- b. Place the printer close to the router
- c. Re-run Easy Wireless Connect
- d. Press Setup >Wi-Fi Setup >Easy Wireless Connect
- e. Restart the router and printer
- f. Check for firmware updates via Canon’s official website
- Print Not Detected by computer or mobile:
- Solutions:
- a. Ensure both printer and device are on the same Wi-Fi network
- b. Restart your printer and device
- c. Reinstall the Canon PRINT Inkjet/SELPHY app (for mobile)
- d. For USB connection, ensure the cable is securely connected
- e. On Windows/Mac, reinstall the printer driver
- Paper Jam:
- Solutions:
- a. Turn off the printer
- b. Gently remove jammed paper from the rear tray, output slot, or inside the printer
- c. Check for torn paper pieces
- d. Restart the printer
- Poor Print Quality (Faded, Streaks, Missing Colors)
- Solution:
- a. Check ink levels and replace cartridges if needed
- b. Run Print Head Cleaning:
- c. Press Setup >Maintenance>Cleaning
- d. Perform Print Head Alignment via the same menu
- e. Ensure you’re using compatible paper