imagemagick

Hi, i want to use a raspberry pi (Debian) as scan-Server. For this job I installed SANE and ImageMagick. If I scan with ... scanimage -p --resolution=25 --mode=Color -l 0 -t 0 -x 210mm -y 297mm >test.pnm ... I will get an unreadable pnm-file. (In the attachments) Based on the header, I found...