On Sat, Nov 2, 2024 at 4:23 PM wes <[email protected]> wrote:
> On Sat, Nov 2, 2024 at 3:47 PM Rich Shepard <[email protected]> > wrote: > > > I purchased a (refurbished) Brother ADS-1700W portable scanner. It has > two > > USB ports on the rear: a micro-USB for the computer and a USB-A female > port > > for flashdrives. > > > > To test the scanner using my desktop I connected the scanner via the > USB-A > > port. The scanner would not turn on. (I've ordered a microsub to USB-3 > > cable > > which should be here tomorrow.) > > > > My question is whether the scanner wouldn't turn on because the computer > > was > > connected to the flashdrive port or if the scanner is defective and needs > > to > > be returned. I don't know enough to know if hardware could be highly > > sensitive to the connecting port. > > > > > How is it powered? I would test the power supply. > > If power is good, the thing should turn on with nothing connected. I would > be very surprised if it refused to power on just because a computer was > connected to its usb-a port, but it's easy to test, so you may as well. > > The amazon listing for this device indicates network capabilities, so > there's no reason it shouldn't turn on with nothing connected. > > Most scanners need their own independent power supply. Only mobile or portable scanners can be powered by USB.
