About scanning printed stuff - I think 1200 PPI is overkill, so I scan at 600 PPI: >$ time=$(date +%s); utc; scanimage --progress --device-name="hpaio:/usb/Deskjet_F2400_series?serial=CN9AUB52X205H4" --format=png --resolution=600 --output-file=./image/scans/scan_${time}.png; utc; echo ./image/scans/scan_${time}.png