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Re: Printer HP c7280: No Installed HP Devices Found



On Tue, Feb 05, 2008 at 07:37:46PM -0500, Andrew Malcolmson wrote:
From: Andrew Malcolmson <andzy+comp.debuser@imap-mail.com>
To: debian-user@lists.debian.org
Subject: Re: Printer HP c7280: No Installed HP Devices Found

On Tue, 5 Feb 2008 16:13:26 +0100, "Gerard Robin" <g.robin3@free.fr>
said:
Hello,
When I configured my printer HP c7280 (Photosmart all-in-one) the
command: sudo hp-toolbox got me:

No Installed HP Devices Found
To install a device, use one of the following methods:
---------------------8<------------------------

ERROR: No device found or unsupported device


The device is not registered with hplip.

Try deleting the printer in CUPS and re-adding it with 'hp-setup'

-1-
as root (with su, not sudo)
hp-setup:
Session management error: Authentication Rejected, reason :
None of the authentication protocols specified are supported and host-based authentication failed
error: Unable to find HP fax PPD file. Please check you(r) HPLIP installation and try again.
----------------------------8<------------------------------------------
your printer has been successfully installed on your system

-2-
I discovered that when I do hp-toolbox as root, with su and passwd root,
(not sudo) I get briefly: ERROR: no device found or unsupported device
and after that hp-toolbox works.

-3-
I choose "scan" in the menu:
You try to run Xsane as root, that is very dangerous ...
xsane works fine and gives a file out.pnm or out.txt but the file
out.txt is unreadable. It is "gocr" which doesn't work correctly.
-4-
I choose "print" in the menu: works fine. (doesn't print the letters with accents)

-5- (gnome)
"system -> preference -> HPLIP Toolbox" doesn't work because hp-toolbox is launched with the command: (as normal user) sh -c 'STARTED_FROM_MENU=yes /usr/bin/hp-toolbox' I rewrited it as: sh -c 'STARTED_FROM_MENU=yes gksu /usr/bin/hp-toolbox' and now "system -> preference -> HPLIP Toolbox" works.

Why can't I make hp-toolbox work as normal user ?
Why can't I make xsane work as normal user ?
tia
--
Gérard



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