A lot of time has passed but I think it's worth while updating this discussion because I've found an answer and a solution to the problem. But first of all I have to say that it was not a problem created by raspberry pi nor by its usb ports. It seems that the driver I use (foo2xqx) for my printer (h...

Sorry I've given the idea that the printer has no dedicated power supply, which is not so--> laserjet p1005 has its own independent power supply. By all the answers you have given I understand that the asus charger (5v 2A), which I use to give power only to the raspberry, should be enough. So the po...

Thank you for your prompt reply. No there isn't anything else attached to the raspberry pi (with the exception of the ethernet cable, of course). I bought it because I wanted to solve the problem of sharing one printer and keeping it always on. The power charger works well (because I use it to recha...

hi everybody and Happy Christmas! I've successfully installed a slackware 14.1 on a raspberry pi type B and I want to connect a laserjet printer p1005 to it in order to share the printer over my lan. :D The software I want to use is CUPS and the driver is the foo2zjs downloaded from http://foo2zjs.r...