Apologies to the list if this question is too far OT -- it's not a PB
problem at all, at least not with my non-USB-capable 5300.
After nearly a year of flawless performance my scanner (a Umax Astra 2100U)
has suddenly stopped working: it gives a scanner failed to do calibration
message whenever
This happens to my scanner all the time. The problem is that the power
is probably on all the time and you have the scanner hooked up to a
power hub (which is also on). If you turn the computer and the scanner
off (which you can do only by unplugging the scanner--both USB and
power) and then
