[sane-devel] Re: scanner.o modules

[Henning Meier-Geinitz]

Hi,

On Fri, Mar 14, 2003 at 04:14:47PM +0300, Sergey Vlasov wrote:
> Not all scanners can be switched off - e.g. Mustek BearPaw 2400TA. You
> can disconnect the external power adapter - the scanner will not work,
> but will still be visible as an USB device (and will even respond to
> most commands). Seems that the scanner controller is powered from USB,
> and external power is used only for the lamp and possibly the motor.

That's true for all gt6816-based Mustek CCD scanners. The Plustek
1248U which is also CCD and uses a similar design needs the power
supply, however (24V) to be visible.

> Some CIS scanners don't even need any power source except USB.

Seems to be true for all gt68xx based CIS scanners.

Still I don't see any problem with the autoloading of the scanner
module.

Bye,
  Henning