Connect to Canon Mx870 scanner after OS 10.9.4 update

Hi, world of Mac geniuses:
after the 10.9.4 update, none of the Macs in my house (a 2010 iMac, a 2012 MacBook Pro, a 2014 MacBook Air) will recognize the scanner function on our networked Canon MX870 integrated scanner / printer. They all recognize it as a printer, but not as a scanner. It is connected wirelessly to our AirPort base station. As I said, all the computers in the house do recognize it as a printer, and can print to it, so I don't think there's anything wrong with the network connection per se.
I've tried all the obvious fixes -- restarting all the devices, removing the printer and then reinstalling it in System Preferences on each machine, removing the printer from the network and then connecting it to the network again.
Has anyone else experienced this problem? Any ideas?
--JT

Just to confirm, when you want to connect to a networked scanner using Image Capture, the device will appear under the heading of Shared rather than Devices. So the MX870 is not listed under the heading of Shared?
If it is not listed under Shared, then a suggested action would be to connect the MX870 to one Mac via USB cable - purely as a test. If you then open Image Capture on this Mac the MX should now be shown under Devices. Select it and see that you can scan. This will confirm that the ICA driver is installed and working correctly. If this does work, disconnect the USB cable from the Mac and try scanning via the network again.

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Help with Canon MX870 - scanner stopped working

Hi,
I bought a Canon Pixma MX870 printer/scanner a month or so ago and it was working fine up till this week. I had installed the Canon software and ran the OS X Software updpate when setting it up.
All of a sudden last week I couldn't print. It kept saying the printer couldn't be found. So I downloaded the Apple Canon printer software and reinstalled it thinking it couldn't do any harm. The printer is working again. The scanner not so much. If I do manage to get it to work (either by using the scanner from System preference > Print/Fax > and choosing open scanner or by using the MP Navigator it typically now will only work 1 time. After that it says "scanner not found" and sometimes if I close and reopen the scanner from Print/Fax it says "trying to open scanner session".
I know the MX870 is connected to the network. The blue wifi light is lit, it shows in the router's list of connected devicies, it also shows in Safari's list of Bonjour Devices.
I need this machine to scan and play nice with OS X - I need to scan more than print.
I ran Disk Warrior, ran chrons to do maintenance and fix permissions etc. I tried deleting and re- adding the scanner. That didn't work and I had to restore it from backup.
Anyone have any ideas on what to do next?
Thank you.

Marlinespike wrote:
However, I went to take a screenshot and something very weird happened. It popped up a dialog box where the scanner was checked as shown in your screenshot with an 80.????? IP address (the ? are because I don't recall)
The 80 number would have been the MX870 wifi network address - not the IP address. The scanner selector tool does not show the device IP address, only the network address.
...asking if "Canon IJ Network Scanner Selector 2" could accept incoming connections from the network and there was a 3rd choice listing the scanner as "Canon MX870 series_3DXXXXX (where I am putting in Xs because I suspect it is a serial number).
Based on this I would guess that the firewall is enabled on your Mac and the prompt is to add an exception to for the networked MX870 (and the X's are the last digits of the wifi network address shown in the selector tool) so that communication can flow between both devices.

Lost connectivity to canon mp870 scanner

lost connectivity to canon mp870 scanner

The scanner component of the Canon AIO's use Bonjour to advertise themselves on a network, while the printer component uses a Canon proprietary protocol called canonijnetwork to do the same. Normally when you select to add the device to your Mac the scanner component appears first in the Default Add Printer view, showing as Bonjour Scanner in the Kind column. The printer component takes a few seconds longer before it appears. For you to see the printer component and not the scanner via Bonjour then it would suggest that the Bonjour protocol is not reaching the Mac. So to check this you can open Safari and select the Bookmarks icon. With the Bookmarks sidebar no in view you can select Bonjour and then look at the right pane. If the Mac can see the MX870 it should be shown here. So do you see the MX870 in Safari?
If you don't see it then try restarting the Mac as this can sometimes help. If it is still not visible in Safari then check your firewall setting (System Preferences > Security > Firewall). If it is ON then try turning it OFF. The firewall shouldn't stop the Bonjour protocols if it is ON but it has been known to cause some issues in the past. If the firewall is not OFF and still the MX870 is not shown in Safari then either something else is blocking this or there is a problem with the MX870

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Hi katevancolen!
So that the Community can help you better, we will need to know the Computer Operating System you're using (Windows XP/Vista/7/8 or Mac 10.x), and how you're connecting to your device (USB, Wi-Fi, or ethernet). Any other details you'd like to give will only help the Community better understand your issue! Thanks and have a great day!

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After installing Mountain Lion, my printer, Canon MX870 stopped printing with error message "Stopped - "Filter" Failed."
I downloaded the newest drivers from Canon, but it still didn't work. I spent over 30 mins with Canon's tech support, went through deleting printer from System preference "printer & scanner" list, disconnect printer, "resetting printing system," rebooting computer, then reconnecting printer, adding printer on "printer & Scanner" list again..... still didn't work. Canon tech support suggested to contact Apple, so I got Apple support help. Basically, we went through exactly same steps over and over,... didn't work. Then, I was suggested to use disk utility to verify disk, repair disk permission... restart and do above steps again, still didn't work. Next apple care guy suggested to "reinstall Mountain Lion" all together. I did. Still didn't work. He looked into communities comments and suggested to download 3rd party printer drive..... ahhhh, you are getting paid to support customers with your professional knowledge. Just looking up some solutions in the community posts and if it could solve the problem, I had already done so and didn't need to set up phone supports. I was this close to give up....
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libbeh wrote:
Hi Pahu. I've read some of your answers to other Canon printer owners and they've helped those people, so hopefully you can help me out. I tried both a regular cleaning and deep cleaning as well as a nozzle test, but that didn't fix the printing issue. Same goes for a factory reset on the actual printer.
So did the black ink appear with the nozzle test? If it did, then the black head/tank are okay.
libbeh wrote:
The only thing I think could be causing this specific printer issue is possibly the chip on the ink cartridges. They aren't authentic Canon ink cartriges, but they worked before (however, on my PC). I purchased the ink cartridges a few years ago (2006 to be exact), so it is possible that the chip is interfering with the printer being fully printing all documents?
If the nozzle test does show the black ink then it won't be an issue with the cartridges.
But if there is no black on the nozzle test, and the deep clean has not helped, then you may just need to purchase a new black cartridge. With you purchasing the cartridges in 2006 and having the printer stored for a period of time, then it is quite likely that the nozzles in the print head have dried up and stopping the ink flow.
libbeh wrote:
I'm kind of annoyed with myself that I didn't use this printer prior to upgrading from Snow Leopard to Lion to Mountain Lion since part of me thinks that the printer could be incompatible with Mountain Lion, but then again, I'm not a Mac expert. I'm computer/tech savvy, so any other suggestions you think may help (however "technical" it may be) would be much appreciated!
The printer is compatible with Mountain Lion. If it wasn't, then it would not print at all.
The other thing to note is that you have the same issue with your Windows partition via Bootcamp. If Windows was still printing but Mtn Lion wasn't, then there would be cause to blame the new version of OS X. But from what I have read it appears to be a physical machine issue rather than the OS.

TS3147 After installing Mountain Lion, I tried to scan from my Canon MX870 and received the message: "MP Navigator EX quit unexpectedly. Click Reopen to open the application again. A report will be sent to Apple,"

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rjliii wrote:
Solved problem with original Canon software. When I downloaded Canon software upgraded for OS X 10.8, I got all by Navigator Ex. Noticed that on Canon's site, the upgraded version is 3.1; my app was 2.1. Upgraded to 3.1 for Nav. Ex, and it works.
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Connect to Canon Mx870 scanner after OS 10.9.4 update

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