Why does my mac say "failed to connect to the device" when I try to print through airport express?

So a little back ground. I have a unibody 2 ghz core 2 duo running 10.5.8 and a mac book air running 10.7.5. I set a airport express and added a new printer to both computers using bonjour. My mac air has no problem connecting and printing but my unibody does. The "failed to connect to device" message come up after I open print que for that printer and then utility. It unibody sees the printer through bonjour and installs the printer but when asked to connect, nothing happens. can anyone help please?

If you updated from a previous version of OS X to 10.9 and had an older version of driver installed, then you can get this message. Sometimes a quick fix is to reset the printing system. Note that this action will remove all devices from the Printers & Scanners preference pane, but not the supporting drivers, so if you do have other printers or scanners on this Mac you will have to add them again.

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Keep getting error message "Failed to connect to the device" when......

Hi,
I keep getting the following message:
(this is an icon in this area of a camera sitting on pictures)
Failed to connect to the device.
-Check the I/F cable connection between the device and your computer
-Please turn off the device once, and then turn ON the device again.
Then try again.
[MTW005] OK (this is highlighted like you can click on it, but nothing happens when you click on it)
I don't have this device even plugged in because I haven't a need for it. Yet the message keep showing up. I thought I would out smart the error message and plugged in the device (ScanDisk 4 in 1 (media card) reader. But I was the one out smarted. Nothing changed. I still have the error message, even after restarting the computer or shutting down and turning back on. All I can do with the message is slide it the edges of my screen display so it isn't in the way. Help, how do I get rid of this problem. This has happened before and then one day the error message disappears for awhile to only come back yesterday to drive me nuts (short drive by the way).

Hello,
Try going to Macintosh HD > Applications > Image Capture > Image Capture menu > Preferences... > General tab > "When a camera is connected, open: " set it to 'iPhoto' or 'No Application'.
regards
mrtotes

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On Sunday, I ran many tests under the guidance of a senior Verizon engineer to try to determine why the Verizon MiFi4510L mobile hotspot will not connect to the network on a third-generation iPad.
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ajglass wrote:
The IPad(3) finds and marks the MiFi4510L in the network queue. It then toggles between connected and not connected every couple of seconds or so in the setting panel. One never encounters a check mark to indicate that there is a solid signal. The MiFi4510L “sees” the iPad3 (confirmed by a bottom dot.) It can handle as many as 5 “dots” simultaneously.
I have tested the new iPad(3) with my home network, which runs on two bridged Apple Extreme routers connected to a Verizon FiOS base unit. It works fine.
So … Everything points to the conclusion that the iPad(3) has broken the connection to the MiFi4510L for some still unknown reason. Verizon is emphatic is its view that their unit is OK. If they are right it would mean that every buyer of the new iPad who attempts to connect wirelessly to the Internet through a MiFi4510L – and there would lots of them -- is going to encounter the same problem that I have encountered.
I am having the same exact issue. I just purchased the new ipad yesterday. I can get the iPad to connect to my home Comcast network. I can get my iPhone and computer to connect to the MiFi4510L but not the new iPad. I know it works because my son's works on his MiFi4510L.
I've also "forgot the network" on the iPad. Turned everything off and reinstalled the network after restarting both units.
I called Verizon which said it's the iPad because I can get to the iPhone and my computer. I then called Apple who said it's the Mifi because I can get on my home network.
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Why does my mac say "failed to connect to the device" when I try to print through airport express?

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