I have a frustrating problem with a couple of XP Pro computers (One is SP2, the other is SP3) where the USB connected Samsung ML-1660 printer just becomes unavailable (or goes to sleep and won't wake up) after a period of time.
We have several of these printers and they work fine on other near identical workstations, but on two particular machines, after a period of time when the printer hasn't been used (anything from 15 - 45 minutes) it simply becomes unavailable.
Unplugging the USB cable from the printer and plugging it back in brings it back to life, as does switching the printer's power off and then back on again. It's definitely not the printer as I've swapped them around and the problem does not exist on other workstations, just these two. The workstations are only several months old and the problem is driving me batty!
Here's what I've checked in Printer Settings;
Tried plugging the printer into a different USB port on the machine
Made sure that the "Power Save" function on the printer is set to OFF
Is there anything in XP Pro that will stop a it from seeing a USB connected printer that I don't know about?
Any ideas you can give to help fix this appreciated.