tempt does not work at
all". Does it display some error message?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
also doesn't
list it on its compatibility list.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
a single command.
WSD support in sane-airscan will be available for initial testing in a
few days.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
returns a full page. Is
it normal?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Hi Klaus,
On 3/2/20 4:35 PM, Klaus Kämpf wrote:
https://github.com/alexpevzner/airscan-discover
It doesn't :-( Does it have a debug mode ?
I've added some instrumentation. May I as you to try again with the
updated version?
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Wishes, Alexander Pevzner (p...@apevzner.com)
this functionality
completely broken.
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Wishes, Alexander Pevzner (p...@apevzner.com)
On 3/2/20 4:35 PM, Klaus Kämpf wrote:
It doesn't :-( Does it have a debug mode ?
Not yet, but I will add it soon.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Hi,
It doesn't :-( Does it have a debug mode ?
I've instrumented this utility, run with -d oprion
If you've installed using go get, to update use the following command:
go get -u github.com/alexpevzner/airscan-discover
--
Wishes, Alexander Pevzner (p...@apevzner.com)
and SANE 2.0 backends, and two
client backends needs to be implemented, for both API versions (IPC
could be the same)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
and WIA. Though Microsoft docs
somewhere mention WSD as a new generation of WIA, so there is a some
chance that WSD is supported by device.
If device supports WSD, my discovery tool will must likely find it:
https://github.com/alexpevzner/airscan-discover
--
Wishes, Alexander Pevzner (p
e to add a function to API without need
to rework all the existent backends.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
would appreciate if you will test my backend too on your device. BTW,
my backend supports ADF.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
tps://download.opensuse.org/repositories/home:/pzz/
--
Wishes, Alexander Pevzner (p...@apevzner.com)
by e-mail.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 1/2/20 12:37 AM, Ralph Little wrote:
I checked all the (possibly rather too many) devices here that I have,
and they are all just a little too old to support AirPrint, sorry. :(
Anyway, thank you!
--
Wishes, Alexander Pevzner (p...@apevzner.com)
consumes the data
5) sane_cancel() is safe to be called from signal handler, as required
by SANE standard
6) sane_get_select_fd() and sane_set_io_mode() are fully implemented
7) sane_airprint correctly supports IPv6 addresses
Looking forward for some feedback.
--
Wishes, Alexander Pevzner
6/eSCL/...;)
as ippusbxd does not support yet DNS-SD registration for multi-function
devices (https://github.com/OpenPrinting/ippusbxd/issues/11).
I'm very busy today and tomorrow. Hope I'll be able to try a day after
tomorrow.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
it will look a bit strange if scanner plugin
will depend on a CUPS API library :-)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
that all answers
are "yes". Am I correct?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
ag at all.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
wing two commands, so I will be
able to think on workaround. The commands are:
avahi-browse -rt _uscan._tcp
avahi-browse -rt _uscans._tcp
(note the difference "_uscan" vs "_uscans").
--
Wishes, Alexander Pevzner (p...@apevzner.com)
eSCL
scanners, and was thoroughly tested with Kyocera ECOSYS M2040dn and HP
OfficeJet Pro 8730 in WSD mode.
In WSD mode automatic discovery is not working yet, but you can try
manual configuration, as printed by airscan-discover.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 4/2/20 4:42 PM, Goran Vukoman wrote:
I will need some days until I install a new Linux-version (Sane 1.0.29)
What I recommend you doesn't require installation of new Linux version.
Am Donnerstag, den 02.04.2020, 16:13 +0300 schrieb Alexander Pevzner:
On 4/2/20 3:36 PM, Goran Vukoman
, Alexander Pevzner (p...@apevzner.com)
USB if that's what one is after.
If scanner supports eSCL and USB, most likely it will support
IPP-over-USB, including eSCL over USB. Which also usually works better
that proprietary vendor drivers.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
adds support of WSD protocol, also
widely implemented by these devices.
Please note, scanning using opensource eSCL drivers often works much
better and more reliable, that scanning using proprietary vendor drivers.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
for sane-airscan
--
Wishes, Alexander Pevzner (p...@apevzner.com)
utility to check if your device supports eSCL
or WSD:
https://github.com/alexpevzner/airscan-discover
Note, some devices require eSCL/WSD activation on their web console.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
ne-airscan is not activated.
To verify this idea, please show us output of the following two commands:
which scanimage
ldd `which scanimage`
And also what I've asked you in my previous message:
SANE_DEBUG_DLL=255 scanimage -L
--
Wishes, Alexander Pevzner (p...@apevzner.com)
,
apparently. Not needed; can attach to email or something else.
Yes, it is different mode. Linux lacks required infrastructure to
implement such a mode (and I'm not sure if it actually useful).
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Hi Mike,
On 5/10/20 7:05 PM, Mike Starr wrote:
Hi. Have xsane installed (it's great) but the following happened:
What driver does use?
Please, show output of the following command: scanimage -L
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 5/11/20 1:49 AM, Mike Starr wrote:
Thanks, Alexander! Where should I cp the package once it's unzipped?
You should not unzip it. Depending on your OS, you should download file
with extension .deb or .rpm, and then install it, using dpkg or rpm command.
--
Wishes, Alexander
, Alexander Pevzner (p...@apevzner.com)
command:
airscan-discover
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 5/11/20 2:56 AM, Mike Starr wrote:
K it works now. Thanks.
What works, installation or scanning?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
that comes by default with many Linux distros
2. The independent implementation, ipp-usb:
https://github.com/OpenPrinting/ipp-usb
sane-airscan known to work with both, but ipp-usb is in general MUCH
more reliable. Binary packages for ipp-usb available for many Linix
disros (see project page for
rather that technical. It means
that device is supported by Apple gadgets out of box. Technically it may
either mean eSCL support, or just a fact that Apple gadgets come with
appropriate drivers preinstalled.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
https://download.opensuse.org/repositories/home:/pzz/ - direct link to
binaries, if previous link doesn't work (sometimes it doesn't)
P.S. BTW, avahi-browse doesn't require sudu, it works for normal user as
well.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
this is essentially to announce "application/octent-string" in
their pdl.
But my Kyocera only announces JPEG and PDF, and still works with iPhone
and iPad.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 3/19/20 2:44 AM, Chris Richards wrote:
It works!
Give me please a short one-line instruction how to enable AirScan on
your device. I will reproduce it in my README for other people who may
have similar problems.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
it.
There is also alternative driver, not (yet?) included into SANE:
https://github.com/alexpevzner/sane-airscan
I provide binary packages for many popular distros:
https://software.opensuse.org//download.html?project=home%3Apzz=sane-airscan
--
Wishes, Alexander Pevzner (p
as if was connected to the
network. I can tell you more details, if you are interested.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
ADF
improvements since older versions.
I think, if somebody willing to help me with testing on these devices,
it will take much less time to fix this problem, rather that developing
ADF support from the ground up.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
upport ADF and doesn't
allow scanning to be canceled before completion.
Please note, I've put a fair amount of effort to get my backend
(sane-airscan) integrated with the SANE project. Unfortunately, I've
received literally zero official response.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
g material.
It doesn't seem to me that it would be as straightforward as USB dumping.
I believe this is possible to purchase an inexpensive USB-to-SCSI
adapter, and to use Wireshark or whatever else to gather USB traffic.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
.
There is a replacement free of these problems:
https://github.com/OpenPrinting/ipp-usb
Note, this software is only needed to connect IPP-over-USB enabled
device using USB. It is not needed if network connection is in use.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
is low, while
added dependencies (and memory overhead) are unreasonably high.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
decision.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Wishes, Alexander Pevzner (p...@apevzner.com)
think, for well-known options application should decide, are they
advanced or not. That's why they are well-known.
For other options application can only offer them to user, and it needs
a hint, are these options common or advanced.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
:
1) notifications, related to the particular device (button press, for
example)
2) notifications, related to the backend itself (hotplug events).
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 5/5/20 3:16 PM, AugustQ wrote:
How can I activate the DBG-macros? Maybe this gives more help where it
fails.
I can't guess what backend do you use. Please, show me the output of the
following command:
scanimage -L
--
Wishes, Alexander Pevzner (p...@apevzner.com)
be due to access rights to
USB devices.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
alternative eSCL implementation:
https://github.com/alexpevzner/sane-airscan
There you will find binary packages for many linux distros.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
never version of Ubuntu comes with the newer version of SANE, which
includes the sane-escl backend. Even more newer version of Ubuntu will
come with sane-airscan, but I don't know, will these two backends come
together, or sane-airscan will replace sane-escl.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
it in the PC, though. Maybe that works too.
You may print document on a single side...
--
Wishes, Alexander Pevzner (p...@apevzner.com)
the current version.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Dear all,
I've just created the 0.99.16 release of sane-airscan.
This release enables WSD scanning on Xerox WorkCentre 3025 by
implementing workaround for firmware bug of this device.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Please, lsusb -v
--
Wishes, Alexander Pevzner (p...@apevzner.com)
On 10/7/20 10:29 PM, Yoann Le Montagner wrote:
The parser error is always there.
Please, rerun scanimage with the following options:
SANE_DEBUG_AIRSCAN=1 scanimage -L
Le 07/10/2020 à 21:27, Alexander Pevzner a écrit :
Hi Yoann,
On 10/7/20 6:38 PM, Yoann Le Montagner wrote:
1) Start
call "scamimage
-L", or it is hard to reproduce?
If you can reproduce this message, I want to better investigate it.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
raft 2, probably better
match the SANE_NAME_BLACK_LEVEL/SANE_NAME_WHITE_LEVEL pair.
What do you think?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
- architected.
And yes, CUPS development will not be backed by Apple.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
" way of scanning/printing, driverless should be preferred.
So although for some particular user disabling IPP-over-USB may work as
a "hotfix", from community perspective this is better to investigate
IPP-over-USB issues rather that to disable it when it doesn't work.
--
Wishe
ver?
ippusbxd doesn't work very well, I advise you to uninstall it.
Please notice, sane-escl has got a SIGSEGV. Though ippusbxd doesn't work
very well, it cannot be a reason for SIGSEGV in the sane-escl.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
download ipp-usb binary package from
the repository, mentioned above.
Note also, the newest version of Debian/Ubuntu will come with
sane-airscan and ipp-usb included by default;
--
Wishes, Alexander Pevzner (p...@apevzner.com)
in the API must be backward compatible, or some
translation layer is required (something, that implements SANE 2.0 on a
top of SANE 1.x). or somebody should update all existent drivers, which
is very unlikely to happen.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
1.0 frontends (fortunately, not so much), that
unlikely to be immediately updated to use the new API.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
licitly state, that the only
backend, usable for apps, is libsane-dll, while libsane-dll will handle
all this complexity of providing emulations of sane2_xxx() functions for
backends that don't implement these functions natively.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
Windows 10
*From: *Alexander Pevzner <mailto:p...@apevzner.com>
*Sent: *Tuesday, October 20, 2020 1:12 AM
*To: *sane-devel@alioth-lists.debian.net
<mailto:sane-devel@alioth-lists.debian.net>
*Subject: *Re: [sane-d
some different purpose by another thread.
There is no possibility to request image in the device-specific "raw"
format. I.e., if I want PDF and device can return PDF, image still will
be repacked PDF->sane format->PDF.
My list is most likely very incomplete.
--
the "dup2(fd2, 2)" if you want to capture libxml's stderr output (you
would need to fork() before to create a process for receiving the stderr
output, which reads the other end of the pipe).
Till
On 07/10/2020 21:55, Alexander Pevzner wrote:
On 10/7/20 10:39 PM, Yoann Le Montagne
So this problem is cosmetical, though annoying.
Thanks for your work.
Le 07/10/2020 à 21:35, Alexander Pevzner a écrit :
On 10/7/20 10:29 PM, Yoann Le Montagner wrote:
The parser error is always there.
Please, rerun scanimage with the following options:
SANE_DEBUG_AIRSCAN=1 scanimage -L
Le
Hi,
what is the difference between "shadow" and "black-level" options? And
the same question regarding "highlight" vs "white-level" options.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
, the ideal place to "harmonize" things would be a some kind of
middleware between backends and frontends. But we have what we have...
--
Wishes, Alexander Pevzner (p...@apevzner.com)
://download.opensuse.org/repositories/home:/pzz/xUbuntu_20.04/
Note, both of these packages will be officially included into the
subsequent release of Ubuntu, so you will not be locked with some
strange 3rd party packages.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
.
Regarding sane-airscan, what version do you use?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
bug]
trace = ~/airscan/trace
enable = true
And then rerun. I need ~/airscan/trace/*.log files (the directory will
be creaed automatically)
You can send me logs directly by e-mail (don't post to the list, please)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
tring", per RFC 2045, but this is not done), so I had to
make my Content-Type parser more tolerant.
There is no other changes in this release.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
y name. At this case, your package manager
will veryfy my digital signature, and warn in a case of signature mismatch.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Canon LiDE 300 (USB)"
--
Wishes, Alexander Pevzner (p...@apevzner.com)
//download.html?project=home%3Apzz=sane-airscan
And then install package by name. At this case, your package manager
will veryfy my digital signature, and warn in a case of signature mismatch.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
in the sane-airscan manual page
6. Fixed HTTP redirection bug, that caused IPP-over-USB scanning to be
broken on some devices (this bug first occurred in 0.99.13 version)
7. Fixed cross-compilation (thanks to Helmut Grohne from Debian)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
, currently nobody works on
something like this.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
think when this API is being defined, it makes a lot of sense
to take existent PWD/WSD models into consideration.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
B of memfs :-)
--
Wishes, Alexander Pevzner (p...@apevzner.com)
scanning in that aspect,
that images sent to printer are usually compressed.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
directory. At this case, your driver will be automatically "updated"
every time you rebuild it, without need of reinstallation.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
(sane-backends) 1.0.25git; backend version 1.0.30
According to the manual, your device supports WSD scan. So the following
driver should work over network:
https://github.com/alexpevzner/sane-airscan
--
Wishes, Alexander Pevzner (p...@apevzner.com)
Forgot to mention, this is direct link to binart download:
https://download.opensuse.org/repositories/home:/pzz/xUbuntu_20.04/amd64/
--
Wishes, Alexander Pevzner (p...@apevzner.com)
data along with the
progress information so that we don't need to have a whole half-gig of
data in flight at one point :)
Do you plan to implement data streaming protocol on a top of D-Bus
messaging?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
ion, where SANE drivers come sandboxed,
while simple-scan installed from a usual RPM or DEB package. This
"legacy-way" installed simple-scan will not be able to access SANE
drivers directly.
--
Wishes, Alexander Pevzner (p...@apevzner.com)
mple-scan, or even libreoffice). It may or may not be running in a
sandbox
Who and in which terms will allow access of (2) to (1)?
--
Wishes, Alexander Pevzner (p...@apevzner.com)
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