12-01-2012 11:35 PM
My laptop keeps teling me that my MG3100 wifi printer is offline but its not. I have to restart laptop everytime I want to print something if I haven't printed something in the past two days or so.
12-06-2012 11:03 AM
This issue may be related to a timeout between the router and the printer. When this error occurs, we would have to advise that you power the printer off and back on or restart your computer in order to refresh the connection.
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12-06-2012 11:09 AM
When it says the printer is offline make sure you can still browse the internet or some other task that requires connectivity. My laptop a month ago had a trojan and he was using the power settings to disable my wifi after he would change my settings and i would have to reboot to get it back online. A simpler excuse on a laptop is the switch is inadvertantly being moved.
Just a thought. When i have connectivity I first make sure i can connect to anything else.
12-06-2012 11:15 AM
anytime you restore your computer from the disk it came from or any other OS disk make sure you have all updates after SP2 and update all Apple software and do not let the computer open the application till it has all its updates. The trojan got in just after i had formatted my drive. I had only installed my full subscription MacAfee, IE, Safari and iTunes. By changing my SMTP settings i was able to get a trail. When my email settings were correct he could send an email and remove traces of sending it but after i changed the SMTP his trojan didnt delete the errors left behind and i was thus able to track his method of entrance to a hole in iTunes.
06-29-2013 08:52 AM
07-01-2013 08:54 AM
Additional troubleshooting will have to be done to narrow down the cause of your issue. Please contact our support group using the link below for additional assistance.
10-16-2014 01:26 PM
On 2014-10-06 I posted the details of the solution that worked for me at a similar Canon forum:
It continues to work for me. The wireless printer connection hasn't failed since then.
It's a permanent solution that you only need to do once. (It isn't a workaround that wakes the printer temporarily after its connection fails.)
The solution involves using your computer's web browser software to access the printer's built-in web server (by entering the printer's IPv4 address into the web browser's address field), going to the printer's Settings webpage, and entering a value in the Location property. (Which was blank by default.)
If you try it, please post (preferably in that other Canon forum) a few days afterward, to report whether it solved the problem.
04-11-2016 09:00 AM - last edited on 04-11-2016 09:27 AM by Danny
Printers and faxes
Left click the printer icon
Click the word printer
Remove check from use printer offline, and make sure it is set as default printer
[link removed per forum guidelines]
12-29-2016 04:03 AM
I think I had the same problem, I found the solution here: https://www.bleepingcomputer.com/forums/t/529976/c
It was as simple as this: "Under Devices and Printers, double click your printer. A window should pop up. In the menu bar click Printer and make sure Use Printer Offline is not checked."
03-21-2017 06:20 AM
I have just had new broadband put in and my printer wont connect to my new wifi please can you explain to me why this is i have followed the manual and been holding the wifi connection button on both my rputer and printer but having no luck the printer wont connect to my mobile app either and was working perfectly fine before i upgraded my sky wifi.