New answers tagged 3g
Use the app called PrintnShare on your iPad. Although it will print to all wifi printers, it will also print to your USB printer via your computer. Note the iPad does not support printing over a usb cable direct from the iPad to a printer. It will also support adhoc network and 3G printing.
To print to your HP printer using AirPrint you will need some kind of AirPrint server. It is not enough to just get network connectivity to the printer, you need some software running somewhere to handle some of the communication details. It is conceivable that someone makes a 3G WiFi router that includes AirPrint support but I think is unlikely. ...
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