at least in lineart mode, the scanner maximum is 300dpi. Try scanimage --mode=color --help
allan On Tue, Jan 27, 2015 at 9:13 PM, ken <[email protected]> wrote: > No error message at all. > > $ scanimage --help > Usage: scanimage [OPTION]... > > Start image acquisition on a scanner device and write PNM image data to > standard output. > > -d, --device-name=DEVICE use a given scanner device (e.g. hp:/dev/scanner) > --format=pnm|tiff file format of output file > -i, --icc-profile=PROFILE include this ICC profile into TIFF file > -L, --list-devices show available scanner devices > -f, --formatted-device-list=FORMAT similar to -L, but the FORMAT of the > output > can be specified: %d (device name), %v (vendor), > %m (model), %t (type), and %i (index number) > -b, --batch[=FORMAT] working in batch mode, FORMAT is `out%d.pnm' or > `out%d.tif' by default depending on --format > --batch-start=# page number to start naming files with > --batch-count=# how many pages to scan in batch mode > --batch-increment=# increase number in filename by an amount of # > --batch-double increment page number by two for 2sided originals > being scanned in a single sided scanner > --batch-prompt ask for pressing a key before scanning a page > --accept-md5-only only accept authorization requests using md5 > -p, --progress print progress messages > -n, --dont-scan only set options, don't actually scan > -T, --test test backend thoroughly > -h, --help display this help message and exit > -v, --verbose give even more status messages > -B, --buffer-size change default input buffersize > -V, --version print version information > > Options specific to device `hpaio:/net/HP_Officejet_Pro_8620?ip=10.10.0.29': > Scan mode: > --mode Lineart|Gray|Color [Lineart] > Selects the scan mode (e.g., lineart, monochrome, or color). > --resolution 75|100|200|300dpi [75] > Sets the resolution of the scanned image. > --source Flatbed|ADF|Duplex [Flatbed] > Selects the scan source (such as a document-feeder). > Advanced: > --brightness 0..2000 [1000] > Controls the brightness of the acquired image. > --contrast 0..2000 [1000] > Controls the contrast of the acquired image. > --compression JPEG [JPEG] > Selects the scanner compression method for faster scans, possibly at > the expense of image quality. > --jpeg-quality 0..100 [inactive] > Sets the scanner JPEG compression factor. Larger numbers mean better > compression, and smaller numbers mean better image quality. > Geometry: > -l 0..215.9mm [0] > Top-left x position of scan area. > -t 0..355.6mm [0] > Top-left y position of scan area. > -x 0..215.9mm [215.9] > Width of scan-area. > -y 0..355.6mm [355.6] > Height of scan-area. > > Type ``scanimage --help -d DEVICE'' to get list of all options for DEVICE. > > List of available devices: > hpaio:/net/HP_Officejet_Pro_8620?ip=10.10.0.29 > ==================================================================== > > > > > On 01/27/2015 08:27 PM, m. allan noah wrote: >> >> did it give you an error message? What is the output of scanimage --help >> >> allan >> >> On Tue, Jan 27, 2015 at 5:40 PM, ken <[email protected]> wrote: >>> >>> Good to know. Thanks. >>> >>> How do I get a 1200dpi image out of scanimage? >>> >>> scanimage -v -p --format=PPM --mode=Color --resolution=1200 > si1200.ppm >>> >>> didn't work. >>> >>> >>> >>> On 01/27/2015 04:57 PM, m. allan noah wrote: >>>> >>>> >>>> Does it happen with the command line tool scanimage? If so, then it is >>>> a problem with the backend, which is part of hplip. >>>> >>>> allan >> >> >> >> > -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand" -- sane-devel mailing list: [email protected] http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to [email protected]
