You have been subscribed to a public bug:
When printing a photo via Linux, the colors are very very dark compared
to the original image. Looks like the brightness/darkness of the image
was darken to almost total darkness. If I print the same image (same
file) using the printer menus, it just works and prints the colors
correctly.
Here's the output of hp-check:
---------------
| SYSTEM INFO |
---------------
Kernel: 3.12.0-1-ARCH #1 SMP PREEMPT Wed Nov 6 09:06:27 CET 2013 GNU/Linux
Host: trinity
Proc: 3.12.0-1-ARCH #1 SMP PREEMPT Wed Nov 6 09:06:27 CET 2013 GNU/Linux
Distribution: unknown 0.0
Bitness: 64 bit
-----------------------
| HPLIP CONFIGURATION |
-----------------------
HPLIP-Version: HPLIP 3.13.11
HPLIP-Home: /usr/share/hplip
warning: HPLIP-Installation: Auto installation is not supported for unknown
distro 0.0 version
Current contents of '/etc/hp/hplip.conf' file:
# hplip.conf. Generated from hplip.conf.in by configure.
[hplip]
version=3.13.11
[dirs]
home=/usr/share/hplip
run=/var/run
ppd=/usr/share/ppd/HP
ppdbase=/usr/share/ppd
doc=/usr/share/doc/hplip-3.13.11
html=/usr/share/doc/hplip-3.13.11
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=no
pp-build=yes
gui-build=yes
scanner-build=yes
fax-build=yes
dbus-build=yes
cups11-build=no
doc-build=yes
shadow-build=no
hpijs-install=yes
foomatic-drv-install=yes
foomatic-ppd-install=yes
foomatic-rip-hplip-install=no
hpcups-install=yes
cups-drv-install=yes
cups-ppd-install=yes
internal-tag=3.13.11
restricted-build=no
ui-toolkit=qt4
qt3=no
qt4=yes
policy-kit=no
lite-build=no
udev-acl-rules=yes
udev_sysfs_rules=no
hpcups-only-build=no
hpijs-only-build=no
Current contents of '/var/lib/hp/hplip.state' file:
[plugin]
installed = 1
eula = 1
version = 3.13.11
Current contents of '~/.hplip/hplip.conf' file:
[upgrade]
latest_available_version = 3.13.11
notify_upgrade = false
last_upgraded_time = 1386645385.7803
pending_upgrade_time = 0
[settings]
systray_visible = 0
systray_messages = 0
[last_used]
device_uri = "hpfax:/net/Photosmart_7520_series?zc=printer"
printer_name = Photosmart_C309a
working_dir = .
[commands]
scan = /usr/bin/xsane -V %SANE_URI%
[refresh]
rate = 30
enable = false
type = 1
[polling]
enable = false
interval = 5
device_list =
[fax]
voice_phone =
email_address =
[installation]
date_time = 12/10/2013 02:20:45
version = 3.13.11
<Package-name> <Package-Desc> <Required/Optional> <Min-Version>
<Installed-Version> <Status> <Comment>
--------------------------
| External Dependencies |
--------------------------
policykit Admin-Policy-framework OPTIONAL -
0.112 OK -
gs Ghostscript REQUIRED 7.05
9.10 OK -
network Network-wget OPTIONAL -
1.14 OK -
scanimage Shell-Scanning OPTIONAL 1.0
1.0.24 OK -
avahi-utils avahi-utils OPTIONAL -
0.6.31 OK -
dbus DBus REQUIRED -
1.6.18 OK -
cups CUPS REQUIRED 1.1
1.7.0 OK 'CUPS Scheduler is running'
xsane SANE-GUI OPTIONAL 0.9
0.998 OK -
-------------------------
| General Dependencies |
-------------------------
error: reportlab Python-PDF-Lib OPTIONAL 2.0
- MISSING 'reportlab needs to be installed'
libcrypto OpenSSL-Crypto-Lib REQUIRED -
1.0.1 OK -
error: pil Python-Image-Lib OPTIONAL -
- MISSING 'pil needs to be installed'
pyqt4-dbus PyQt4-DBUS REQUIRED 4.0
4.10.3 OK -
libjpeg JPEG-Lib REQUIRED -
- OK -
libpthread POSIX-Threads-Lib REQUIRED -
2.18 OK -
python-dbus Python-DBUS REQUIRED 0.80.0
1.2.0 OK -
python-devel Python-SDK REQUIRED 2.2
3.3.3 OK -
pyqt4 Python-Qt4 REQUIRED 4.0
4.10.3 OK -
cups-devel CUPS-SDK REQUIRED -
1.7.0 OK -
sane-devel SANE-SDK REQUIRED -
1.0.24 OK -
libusb USB-Lib REQUIRED -
1.0 OK -
sane Scan-Lib REQUIRED -
1.0.24 OK -
cups-image CUPS-Image-Lib REQUIRED -
1.7.0 OK -
libnetsnmp-devel SNMP-Networking-SDK REQUIRED 5.0.9
5.7.2 OK -
python-xml Python-XML-Lib REQUIRED -
2.1.0 OK -
python-notify Desktop-notifications OPTIONAL -
- OK -
------------------------------
| Compile Time Dependencies |
------------------------------
gcc gcc-Compiler REQUIRED -
4.8.2 OK -
libtool Build-tools REQUIRED -
2.4.2 OK -
make GNU-Build-tools REQUIRED 3.0
4.0 OK -
----------------------
| Python Extentions |
----------------------
cupsext CUPS-Extension REQUIRED -
3.13.11 OK -
pcardext PhotoCard-Extension REQUIRED -
3.13.11 OK -
hpmudext IO-Extension REQUIRED -
3.13.11 OK -
-----------------------
| Scan Configuration |
-----------------------
hpaio HPLIP-SANE-Backend REQUIRED -
3.13.11 OK 'hpaio found in /etc/sane.d/dll.conf'
scanext Scan-SANE-Extension REQUIRED -
3.13.11 OK -
------------------------------
| DISCOVERED SCANNER DEVICES |
------------------------------
device `hpaio:/net/Photosmart_7520_series?zc=printer' is a Hewlett-Packard
Photosmart_7520_series all-in-one
device `v4l:/dev/video0' is a Noname USB Camera (046d:08d7) virtual device
--------------------------
| DISCOVERED USB DEVICES |
--------------------------
No devices found.
---------------------------------
| INSTALLED CUPS PRINTER QUEUES |
---------------------------------
Photosmart_7520
---------------
Type: Printer
Device URI: hp:/net/Photosmart_7520_series?zc=printer
PPD: /etc/cups/ppd/Photosmart_7520.ppd
PPD Description: HP Photosmart 7520 Series, hpcups 3.13.11
Printer ready to printr Photosmart_7520 is idle. enabled since Tue 10 Dec 2013
01:53:23 AM AZOT
Communication status: Good
Photosmart_7520_fax
-------------------
Type: Fax
Device URI: hpfax:/net/Photosmart_7520_series?zc=printer
PPD: /etc/cups/ppd/Photosmart_7520_fax.ppd
PPD Description: HP Fax4 hpcups
Printer status: printer Photosmart_7520_fax is idle. enabled since Wed 04 Dec
2013 09:48:55 PM AZOT
Communication status: Good
--------------
| PERMISSION |
--------------
-----------
| SUMMARY |
-----------
Missing Required Dependencies
-----------------------------
None
Missing Optional Dependencies
-----------------------------
None
Total Errors: 2
Total Warnings: 0
Done.
** Affects: hplip
Importance: Undecided
Status: New
** Affects: cups (Ubuntu)
Importance: Undecided
Status: New
** Affects: debian
Importance: Undecided
Status: New
--
HP ePrint 7520 prints photos too dark
https://bugs.launchpad.net/bugs/1259400
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