On Sat, Sep 30, 2000 at 08:15:34AM +0200, Claus Atzenbeck wrote:
> On Sat, 30 Sep 2000, Nick Lamb wrote:
> > On Sat, Sep 30, 2000 at 01:59:36AM +0200, Jochen Eisinger wrote:
> > > #scanimage --device epson:/dev/usbcanner0
> This is not working either (same result):
> # scanimage --device epson:/dev/usbcanner0
> [epson] Unknown type R or level K, using B3
> scanimage: open of device epson:/dev/usbcanner0 failed: Invalid argument
"Invalid argument" is what scanimage says when almost anything goes
wrong. It does it if the device file is missing, or already open, or
the kernel driver is missing, or the scanner responds with something
it shouldn't, or not at all.
Strangely enough after all that, it also gives the same message if the
argument is, in fact, invalid.
In practice, the specific-sounding "Invalid argument" error message
actually means 'something went wrong'.
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