I’ve recently upgraded to debian lenny. Unfortunately after this upgrade my epson 3590 scanner stopped working. After some googling around I managed to find an rpm package with the binary firmware image. But the package converter alien would not let me convert the file, the message was
Unpacking of 'iscan-firmware-22.214.171.124-48.1.noarch.rpm' failed at /usr/share/perl5/Alien/Package/Rpm.pm line 155.
After some more searching I found debian bugs 518348 and 509444 of which the latter contains a workaround: Seems that the rpm format changed to a compressed format that can be unpacked with lzma. Now unpacking was possible — after all I was only interested in the firmware file — and now my scanner is working again… For the record, unpacking was done as follows:
| lzma -d | (cd iscan-firmware-126.96.36.199;
cpio --extract --make-directories