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Windows 7: Can't scan with Canon Pixma MX700

25 Jun 2010   #1

Windows 7 RTM x64 (desktop), x32 (HTPC)
Can't scan with Canon Pixma MX700

Hi folks,

This is driving me nuts: Back in the fall when I switched over to Windows 7 Home Premium x64 from Vista Home Premium SP2 x64, I installed the software for my Canon Pixma MX700 multifunctional printer. I used the original Vista driver installer disc, and despite an warning message about a "known compatibility issue" the printer and scanning functions worked fine. I use the Pixma on the LAN via a wired ethernet connection. Worked fine for occasional scanning in November, December, and January.

Then for months I had no need to scan anything, just printing over the network with no problems.

Last weekend I needed to scan something. I usually just push the scan button on the printer, verify the computer it's going to scan to (it lists them), and away it goes. This time my computer threw an error about the scanner driver saying the scanner wasn't on the network. Huh? If the scanner's not on the network how did the computer know it was trying to send a scan... So I bailed on that and instead used the MP Navigator EX software on the computer. It failed too, giving the "scanner not connected" error, either using Navigator's direct interface or telling it to open the scanner driver which brings up a slightly different interface (when it worked).

First I went to the Canon site and d/l'ed all the latest drivers for 7 x64 and installed them. Still get the same errors.

Tried setting it up to scan via USB temporary connection. If I install it that way it works, but it's not a long term solution. And it stops working after a reboot. The odd thing is the scanner works over the LAN after I set it up for USB (when using NAvigator, because the scan to lan button on the printer doesn't work of course), again until reboot.

I've googled the heck out of this and tried many things (such as a weird solution involving deleting a link to MSN Web Resources [which doesn't exist on my machine so I can't do it]).

I'm at wits end. Some update to Windows or some other change caused the original installation of drivers/software not to work after January sometime, and nothing I do gets the scanner to work consistently.

And it's particularly interesting that it works temporarily after I set it up to use the USB cable, but that it dies again after reboot.

MS firewall and Security Essentials are disabled through all this; no other AV etc. software running.



My System SpecsSystem Spec

25 Jun 2010   #2

Win 7 32 Home Premium, Win 7 64 Pro, Win 8.1 Pro

I had this problem too & I also have a MX 700. I didn't have quite the probs your having, but when I went to scan something, it would just sit there doing nothing.

The way I found after playing around with it was like this:

I had to go to Start/Devices and Printers.

I R clicked on the printer/scanner and clicked "Start Scan".

Once I did that, it worked for me. You'll get a window with all the options for scanning. For some reason Windows took over the scan feature, but it works, so I'm happy.

Mine is hooked up via USB also, but I'm not on a x64. Driver prob maybe?

Anyway, that's how I got mine to scan, I hope it helps.
My System SpecsSystem Spec
25 Jun 2010   #3

Windows 7 RTM x64 (desktop), x32 (HTPC)

Thanks for the reply. It's pretty bizarre. I can scan via USB (briefly) if I connect it that way and re-install telling to do so, but it loses it again after reboot. Right now it's not even showing a scanner device! And USB would only be a short term solution because the Pixma needs to be accessible by multiple computers, several of which are only on the network and not within USB cable range.
My System SpecsSystem Spec

25 Jun 2010   #4

Windows 7 RTM x64 (desktop), x32 (HTPC)

I've done some more tests and confirmed that when attached via USB, the printer scanning works either through MP Navigator EX 1.06 or via the "right click on the device in the printers window then pick 'scan' " methodologies. Even got the scan button on the printer itself to work once. However after reboot it no longer works. Removing the device (device manager or delete out of printers window), followed by plugging it back in to the computer results in reinstall and it works again until reboot. After rebooting I get connection errors, though I can print via usb or network just fine.

This is so frustrating.

Anybody have ideas for the optimal place to find others to help troubleshoot? Is there some hidden Canon forum somewhere?

My System SpecsSystem Spec
26 Jun 2010   #5

Win 7 32 Home Premium, Win 7 64 Pro, Win 8.1 Pro

I found this discussion going on

Canon MX700 AIO Network printer
My System SpecsSystem Spec
26 Jun 2010   #6

Windows 7 RTM x64 (desktop), x32 (HTPC)

Thanks. I found that one a while back... seems like a fair amount has changed when Windows 7 approached finalization; lots of things that worked broke in the final release, and lots of things that were broken were fixed. Unfortunately the suggestions there didn't do it for me.

It's really strange. I know this was working November through January. Something changed in-or-after January that hosed my setup. No other devices are complaining, though, and I've eliminated AV/Firewall possibilities. Maybe some Windows Update has nuked me.

My System SpecsSystem Spec
28 Jun 2010   #7

Win 7 32 Home Premium, Win 7 64 Pro, Win 8.1 Pro

Apparently you're not the only one with this problem: Customer Discussions: MX700 Scanner Stops Working (running Vista)

Someone on this thread mentions fixing it by switching to a shorter cable...worth a try if you've tried everything else.
My System SpecsSystem Spec
03 Mar 2012   #8

Windows 7
cant scan with Canon MX700

MarcG - were you ever able to resolve this issue? I am having exact same issue. Worked for a few months after I installed my Windows 7 upgrade but has stopped working now.
My System SpecsSystem Spec
04 Mar 2012   #9

Windows 7 RTM x64 (desktop), x32 (HTPC)


I can't say that I solved it, as I never found out what caused the problem. However, I eliminated the problem by restoring an OS image backup I made during a time that the scanner was working. This restored scanning functionality. I then updated windows and other software packages in a stepwise fashion, testing scanning periodically, fully expecting something to break the scanning function. Much to my surprise, it never broke again.

It has been working fine ever since.

I'm still nervous about it, though... Every time I install or update something I test to see if I still have communication.

My System SpecsSystem Spec

 Can't scan with Canon Pixma MX700

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