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 On Tue, Jan 27, 2015 at 3:19 PM, ken <geb...@mousecar.com> wrote: > The problem-- in varying degrees-- exists in both xsane and hp-scan. Does > that mean it's not an xsane problem? > > > On 01/27/2015 01:24 PM, m. allan noah wrote: >> >> We are not the authors of the hplip code. You might try asking them? >> http://hplipopensource.com/hplip-web/index.html >> >> allan >> >> On Tue, Jan 27, 2015 at 1:02 PM, ken <geb...@mousecar.com> wrote: >>> >>> This is a new HP Officejet Pro 8620 ("All In One"). >>> >>> Scanning at 200dpi and 300dpi is okay. But when trying to scan a color >>> photo >>> or nice image from a magazine, the results from are horrible. I can >>> recognize the the digital (jpg), but it is obviously corrupted. The >>> vertical >>> bands of distortion suggest that it's either a corrupted algorithm or a >>> design flaw in the hardware (how would I know which it is?). Or something >>> might not be configured correctly, but the output of "hp-check" (below) >>> would seem to rule that out. >>> >>> Using xsane gives slightly better results than hp-scan, but the resulting >>> digital image at 1200dpi is still terrible and unusable. Looking at the >>> image up close, it seems to be composed of circles with dots in the >>> middle >>> of each circle. This would seem to suggest a flaw in some algorithm used >>> in >>> processing the data output from the hardware. >>> >>> Is this a known bug? >>> >>> Is there a fix for this? >>> >>> If there's a way to submit more exacting info about this problem, I'd be >>> happy to hear it. >>> >>> Thanks. >>> >>> Possibly relevant data below. >>> >>> >>> $ rpm -q xsane >>> xsane-0.991-5.el5 >>> >>> $ cat /etc/redhat-release >>> CentOS release 5.11 (Final) >>> >>> $ hp-check >>> warning: python-dbus not installed. >>> Saving output in log file: /home/zl/scanned/2015/hp-check.log >>> >>> HP Linux Imaging and Printing System (ver. 3.14.10) >>> Dependency/Version Check Utility ver. 15.1 >>> >>> Copyright (c) 2001-13 Hewlett-Packard Development Company, LP >>> This software comes with ABSOLUTELY NO WARRANTY. >>> This is free software, and you are welcome to distribute it >>> under certain conditions. See COPYING file for more details. >>> >>> Note: hp-check can be run in three modes: >>> 1. Compile-time check mode (-c or --compile): Use this mode before >>> compiling >>> the >>> HPLIP supplied tarball (.tar.gz or .run) to determine if the proper >>> dependencies >>> are installed to successfully compile HPLIP. >>> 2. Run-time check mode (-r or --run): Use this mode to determine if a >>> distro >>> supplied package (.deb, .rpm, etc) or an already built HPLIP supplied >>> tarball >>> has the proper dependencies installed to successfully run. >>> 3. Both compile- and run-time check mode (-b or --both) (Default): This >>> mode >>> will check both of the above cases (both compile- and run-time >>> dependencies). >>> >>> Check types: >>> a. EXTERNALDEP - External Dependencies >>> b. GENERALDEP - General Dependencies (required both at compile and run >>> time) >>> c. COMPILEDEP - Compile time Dependencies >>> d. [All are run-time checks] >>> PYEXT SCANCONF QUEUES PERMISSION >>> >>> Status Types: >>> OK >>> MISSING - Missing Dependency or Permission or Plug-in >>> INCOMPAT - Incompatible dependency-version or Plugin-version >>> >>> --------------- >>> | SYSTEM INFO | >>> --------------- >>> >>> Kernel: 2.6.18-400.1.1.el5.centos.plus #1 SMP Thu Dec 18 08:15:47 EST >>> 2014 >>> GNU/Linux >>> Host: host.abcabc.net >>> Proc: 2.6.18-400.1.1.el5.centos.plus #1 SMP Thu Dec 18 08:15:47 EST >>> 2014 >>> GNU/Linux >>> Distribution: rhel 5.0 >>> Bitness: 32 bit >>> >>> ----------------------- >>> | HPLIP CONFIGURATION | >>> ----------------------- >>> >>> HPLIP-Version: HPLIP 3.14.10 >>> HPLIP-Home: /usr/share/hplip >>> warning: HPLIP-Installation: Auto installation is not supported for rhel >>> distro 5.0 version >>> >>> Current contents of '/etc/hp/hplip.conf' file: >>> # hplip.conf. Generated from hplip.conf.in by configure. >>> >>> [hplip] >>> version=3.14.10 >>> >>> [dirs] >>> home=/usr/share/hplip >>> run=/var/run >>> ppd=/usr/share/cups/model/hp >>> ppdbase=/usr/share/cups/model >>> doc=/usr/share/doc/hplip-3.14.10 >>> html=/usr/share/doc/hplip-3.14.10 >>> icon=/usr/share/applications >>> cupsbackend=/usr/lib/cups/backend >>> cupsfilter=/usr/lib/cups/filter >>> drv=/usr/share/cups/drv/hp >>> bin=/usr/bin >>> >>> # Following values are determined at configure time and cannot be >>> changed. >>> [configure] >>> network-build=yes >>> libusb01-build=yes >>> pp-build=no >>> gui-build=yes >>> scanner-build=yes >>> fax-build=no >>> dbus-build=no >>> cups11-build=no >>> doc-build=yes >>> shadow-build=no >>> hpijs-install=no >>> foomatic-drv-install=no >>> foomatic-ppd-install=no >>> foomatic-rip-hplip-install=no >>> hpcups-install=yes >>> cups-drv-install=yes >>> cups-ppd-install=yes >>> internal-tag=3.14.10 >>> restricted-build=no >>> ui-toolkit=qt3 >>> qt3=yes >>> qt4=no >>> policy-kit=no >>> lite-build=no >>> udev_sysfs_rules=no >>> hpcups-only-build=no >>> hpijs-only-build=no >>> >>> Current contents of '/var/lib/hp/hplip.state' file: >>> [plugin] >>> eula = 1 >>> version = 3.14.10 >>> installed = 1 >>> >>> Current contents of '~/.hplip/hplip.conf' file: >>> [last_used] >>> device_uri = hp:/net/HP_Officejet_Pro_8620?ip=10.10.0.29 >>> >>> [installation] >>> version = 3.14.10 >>> date_time = 01/27/2015 12:15:36 >>> >>> <Package-name> <Package-Desc> <Required/Optional> <Min-Version> >>> <Installed-Version> <Status> <Comment> >>> >>> -------------------------- >>> | External Dependencies | >>> -------------------------- >>> >>> gs Ghostscript REQUIRED 7.05 8.70 OK - >>> network Network-wget OPTIONAL - 1.11.4 OK - >>> scanimage Shell-Scanning OPTIONAL 1.0 1.0.18 OK - >>> avahi-utils avahi-utils OPTIONAL - 0.6.16 OK - >>> xsane SANE-GUI OPTIONAL 0.9 0.991 OK - >>> cups CUPS REQUIRED 1.1 1.3.7 OK 'CUPS Scheduler is running' >>> >>> ------------------------- >>> | General Dependencies | >>> ------------------------- >>> >>> libcrypto OpenSSL-Crypto-Lib REQUIRED - 0.9.8 OK - >>> pil Python-Image-Lib OPTIONAL - 1.1.5 OK - >>> libjpeg JPEG-Lib REQUIRED - - OK - >>> libpthread POSIX-Threads-Lib REQUIRED - 2.5 OK - >>> pyqt Python-Qt REQUIRED 2.3 3.16.0 OK - >>> cups-devel CUPS-SDK REQUIRED - 1.3.7 OK - >>> libusb USB-Lib REQUIRED - 1.0 OK - >>> sane Scan-Lib REQUIRED - 1.0.18 OK - >>> cups-image CUPS-Image-Lib REQUIRED - 1.3.7 OK - >>> python-xml Python-XML-Lib REQUIRED - 1.95.8 OK - >>> python-notify Desktop-notifications OPTIONAL - - OK - >>> >>> ------------------------------ >>> | Compile Time Dependencies | >>> ------------------------------ >>> >>> libtool Build-tools REQUIRED - 1.5.22 OK - >>> >>> ---------------------- >>> | Python Extentions | >>> ---------------------- >>> >>> cupsext CUPS-Extension REQUIRED - 3.14.10 OK - >>> pcardext PhotoCard-Extension REQUIRED - 3.14.10 OK - >>> hpmudext IO-Extension REQUIRED - 3.14.10 OK - >>> >>> ----------------------- >>> | Scan Configuration | >>> ----------------------- >>> >>> hpaio HPLIP-SANE-Backend REQUIRED - 3.14.10 OK 'hpaio found in >>> /etc/sane.d/dll.conf' >>> scanext Scan-SANE-Extension REQUIRED - 3.14.10 OK - >>> >>> ------------------------------ >>> | DISCOVERED SCANNER DEVICES | >>> ------------------------------ >>> >>> device `hpaio:/net/HP_Officejet_Pro_8620?ip=10.10.0.29' is a >>> Hewlett-Packard >>> HP_Officejet_Pro_8620 all-in-one >>> >>> -------------------------- >>> | DISCOVERED USB DEVICES | >>> -------------------------- >>> >>> No devices found. >>> >>> --------------------------------- >>> | INSTALLED CUPS PRINTER QUEUES | >>> --------------------------------- >>> >>> draft >>> ----- >>> Type: Printer >>> Device URI: hp:/net/HP_Officejet_Pro_8620?ip=10.10.0.29 >>> PPD: /etc/cups/ppd/draft.ppd >>> PPD Description: HP Officejet Pro 8620, hpcups 3.14.10 >>> Printer status: printer draft is idle. enabled since Wed 31 Dec 2014 >>> 03:46:55 PM EST >>> Communication status: Good >>> >>> fax >>> --- >>> Type: Fax >>> Device URI: hpfax:/net/HP_Officejet_Pro_8620?ip=10.10.0.29 >>> PPD: /etc/cups/ppd/fax.ppd >>> PPD Description: HP Officejet Pro 8620, hpcups 3.14.10 >>> Printer Rejecting Jobsr fax disabled since Thu 01 Jan 2015 12:52:29 PM >>> EST - >>> error: Incorrect PPD file for fax queue 'fax'. Fax queues must use >>> 'HP-Fax-hplip.ppd'. >>> Communication status: Good >>> >>> hi-qual >>> ------- >>> Type: Printer >>> Device URI: hp:/net/HP_Officejet_Pro_8620?ip=10.10.0.29 >>> PPD: /etc/cups/ppd/hi-qual.ppd >>> PPD Description: HP Officejet Pro 8620, hpcups 3.14.10 >>> Printer status: printer hi-qual is idle. enabled since Tue 23 Dec 2014 >>> 07:34:33 PM EST >>> Communication status: Good >>> >>> HP_Officejet_Pro_8620 >>> --------------------- >>> Type: Printer >>> Device URI: hp:/net/HP_Officejet_Pro_8620?ip=10.10.0.29 >>> PPD: /etc/cups/ppd/HP_Officejet_Pro_8620.ppd >>> PPD Description: HP Officejet Pro 8620, hpcups 3.14.10 >>> Printer status: printer HP_Officejet_Pro_8620 is idle. enabled since Thu >>> 01 >>> Jan 2015 12:32:07 PM EST >>> Communication status: Good >>> >>> -------------- >>> | PERMISSION | >>> -------------- >>> >>> ----------- >>> | SELINUX | >>> ----------- >>> >>> SELinux disabled Optional - - OK - >>> >>> ----------- >>> | SUMMARY | >>> ----------- >>> >>> Missing Required Dependencies >>> ----------------------------- >>> None >>> >>> Missing Optional Dependencies >>> ----------------------------- >>> None >>> >>> Total Errors: 1 >>> Total Warnings: 0 >>> >>> Done. >>> >>> ### >>> >>> -- >>> sane-devel mailing list: sane-devel@lists.alioth.debian.org >>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel >>> Unsubscribe: Send mail with subject "unsubscribe your_password" >>> to sane-devel-requ...@lists.alioth.debian.org >> >> >> >> > -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand" -- sane-devel mailing list: sane-devel@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to sane-devel-requ...@lists.alioth.debian.org
