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Update April, 2010: I’m happy to report this pain is avoided with the latest (10.26.2) MP620 CUPS drivers from Canon when installing this printer on Snow Leopard. After installing the drivers, then adding a new printer, you have to wait a few minutes for SL to detect the printer before it displays it in the list.

This might seem like dumb thing to blog about but I spent an hour or more trying to get this to work. Partly due to my own stubbornness, I resent using driver installation CDs. The driver on them is typically out of date (certainly for graphics cards), and they’re loaded with bloatware crap you don’t need to operate your device / peripheral. Manufacturers love to re-invent the wheel, providing a utility for a service that already exists within the operating system.

So I ran off to the Canon site and grabbed the latest MP620 CUPS driver, thinking this would be a simple install and “Print Test Page”, job done – but nooooooo.

So the bad news, yes you have to insert the Macintosh setup CD. I selected “Custom Install” and selected the driver, the MP Navigator EX software (for scanning) and the Canon IJ Network utility. Despite only wanting to install this printer over a wireless network connection, you must elect to install it via USB first.

Once set up is complete, you’ll have to restart and then be presented with the connection type you’d like to use to communicate with your MP620. Select USB.

At this point it’s probably wise to check your firewall is disabled in OS X (just temporarily), head to System Preferences, click the ‘Security’ icon, select the Firewall tab, and check ‘Allow all incoming connections’ (this turns your firewall off, and potentially lets the bad guys in). This way we won’t run into problems using wireless later.

1. Click ‘Show All’ then ‘Print & Fax’, you should see ‘Canon MP620 series’ in the list.

2. Select your MP620 then click the ‘Open Print Queue…’ button.
3. Click ‘Utility’ on the right hand side of the toolbar.

4. In the window that opens, select ‘Network’ if it’s not already selected.
You should see your MP620 in the list, select it.
5. Click the ‘Network Settings’ button, you should now be able to set your wireless access point, and enter the passphrase.
6. Once you’ve done this, add this printer.
You’ll have two MP620′s but one of them will have a MAC address (e.g. 00:00:85.af.62.f0) in the title or settings, this is the one you want to keep, remove the other printer profile which is the USB connection.
7. You can remove the profile with the ‘-’ button.
8. Unplug your USB cable.
9. On the wireless profile, click the ‘Open Print Queue…’ button and from the Printer menu select ‘Print Test Page’.

Voila! You’re printing wirelessly.


rob // 16.Mar.2010 // 21:16

i know i'm digging this up from the grave, but i feel the same way. i'm on windows though, i could not get this thing setup without using their stupid software, ended up running all their software, getting the printer setup and then uninstalling all of their crap except for the drivers… worked for me and i don't have all of their crap on my hard drive.

Greg K // 17.Mar.2010 // 10:51

As a scanner Snow Leopard detects this printer automatically. I guess I'm going to have to go through this pain again to get it installed on my Macbook Pro.

At work we have an Epson CX11NF and that installed like a charm without needing any driver disks. OS X just ran off and found the drivers itself. Shame it can't do the same with this Canon printer …

Etienne // 03.Dec.2010 // 21:27


John Bucholtz // 11.Jul.2012 // 16:12

Thank you! You are much better than Canon Customer Support.

Greg // 28.Oct.2012 // 11:49

I had to connect with USB again and fire up Canon’s IJ network tool on my wife’s laptop to update the wireless networking settings after moving house. Once a year I’m reminded how retarded the networking software is on this printer.

Glad this post was useful for others.

Rudi Farkas // 29.Nov.2012 // 23:28

Hi Greg
Thanks for the hints – the magic word was CUPS drivers. I had to install them after the upgrade of an old Mac Mini 2007 to OS X 10.6, which made the previous drivers obsolete, and there was no automated help (OS X search for new software did not find anything from Canon).
Anyway, now the WiFi connection works.
Yours truly
P.S. Snowboarder in St. Albans?! Wow.

Jorgen Jorgensen // 01.Feb.2013 // 16:25

Greg, you are my savior! Took me a long time to find out how to reactivate the printer after installing of the 10.6.8 vs. Both Apple and Canon were useless. Your blog did it. Great and thank you. I would love to send you a thank you card from DK.

Kathie // 25.Apr.2013 // 06:51

Thank you, thank you, thank you!!!

J Sims // 13.Sep.2013 // 03:02

Very helpful. Thank you.

A Crump // 07.Jun.2014 // 06:00

It worked! Thanks!!

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