Why? “PrinterProxy is trying to modify the printer settings.” | MacRumors Forums
Setting up a Proxy Server for ThinPrint Mobile Session Print
How to configure the Microsoft and Office 365 connectors to connect to the Internet through a proxy ... - Community
Printer requires proxy address to connect to web services - HP Support Community - 6806687
Manual cURL cURL | daniel.haxx.se
Specifying the Proxy Server
Solved: where is my proxy address - HP Support Community - 1170727
Epson Connect
When I run the Firmware update tool or the I-FAX install tool, it asks me about my internet connection method. There are two options: 'Connect directly' or 'Using proxy'. Which one should