[sane-devel] epson 3490 problem (I/O error after scanimage)

[Krzysztof Halasa]

blicero <blicero at autistici.org> writes:

> <blicero> [sanei_debug] Setting debug level of snapscan to 2.
> <blicero> [snapscan] test_unit_ready: snapscan_cmd command failed: Device
> busy
> <blicero> [snapscan] Scanner warming up - waiting 8 seconds.
> <blicero> [snapscan] test_unit_ready: snapscan_cmd command failed: Error
> during
> device I/O
> <blicero> [snapscan] wait_scanner_ready: hardware error detected.
> <blicero> [snapscan] sane_snapscan_open: wait_scanner_ready after firmware
> upload command failed: Error during device I/O

I was getting such things when sending (presumably) invalid commands
to the scanner, but with the original code and the last firmware
(EPSON GT-F520 1.08 Thu Apr 14 2005 14:32) it works.

A more detailed debug log might reveal what's wrong.
-- 
Krzysztof Halasa