mx890 wireless print problem after adobe flash update

[gme]

mx890 printer won't print wirelessly  (noted after adobe flash 11.0 update yesterday), error message says "printer not responding", will print with USB cable, using Windows 7, have downloaded and reinstalled drivers (after removing drivers) reintstalled software, cleared print queue, correct printer is defaulted and checked in the printer port, computer and printer are connected, router has been re-booted and reset and firewall was taken down when re-setting it. Have spent 90 minutes on phone with Cannon (still under warranty) and 45 minutes with internet provider after Cannon tech support said it was likely a router strength/dependence/broadcasting issue, router, computer, printer all in same room, no issues with other device connectivity, network configuration printout notes 65% signal strength printer to router, can anyone help???

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[Michael]

Hello gme.

For testing purposes, please check the current connection status of the printer:

1.  Press the Setup or Menu Button on the printer.

2.  Use the scroll wheel to select Device Settings and press OK.

3.  Select LAN Settings and press OK.

4.  Select Confirm LAN Settings and press OK.

5.  Select WLAN Settings List and press OK.

Is the connection status 'Active' or 'Inactive'?

If the status is Active, scroll down and document the IP Address and Default Gateway. 

Next, open your web browser and enter the IP address into the address bar.  Are you able to connect to the configuration page or does an error occur?  Perform this test with the Default Gateway address as well.