USB hubs enable you to attach multiple devices, such as printers, hard drives and card readers, to a single computer. However, the USB hub only makes the devices available to one computer at a time.

Many laser printers last for years, so businesses often keep older laser printers around even after upgrading other hardware. Many older laser printers use a parallel port interface rather than the ...

On my main computer, I'd like to have 2 printers (since I already have them) but they are both parallel and I only have 1 motherboard header for parallel. Any way to hook both these printers up at the ...

This circuit switches a printer’s USB connection from a PC to a laptop. What was needed was a method of allowing a laptop to use the printer occasionally while at all other times the printer would be ...