Hello Janusz,

can you send the output of

- avahi-browse -rt _uscan._tcp
- avahi-browse -rt _ipp._tcp
- scanimage -L

and the files

- /etc/sane.d/net.conf
- /etc/sane.d/xerox_mfp.conf
- /etc/sane.d/dll.conf


CU
Jörg

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Jörg Frings-Fürst
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My wish list: 
 - Please send me a picture from the nature at your home.

Am Samstag, dem 04.02.2023 um 10:23 +0100 schrieb Janusz S.Bień:
> On Sat, Feb 04 2023 at  9:39 +01, Jörg Frings-Fürst wrote:
> > severity 1030306 normal
> > tags 1030306 + moreinfo
> > thanks
> > 
> > Hello Janusz,
> > 
> > thank you for spending your time helping to make Debian better with
> > this bug report.
> > 
> > Am Donnerstag, dem 02.02.2023 um 14:47 +0100 schrieb Janusz S.Bień:
> > > Package: simple-scan
> > > Version: 3.38.1-1
> > > Severity: grave
> 
> [...]
> 
> > > After I switched Samsung Xpress M2070FW from USB to W-Fi
> > > practically
> > > every attempt to scan ends
> > > with this bug. Scanning with GIMP and SANE still works.
> > > 
> > 
> > Which driver do you use?
> 
> How to check this?
> 
> > 
> > Please open the terminal, and run simple-scan with debug mode:
> > 
> >  - simple-scan --debug
> >  - try to reproduce the issue
> >  - copy the output from terminal to file and attach to this bug
> > report
> 
> --8<---------------cut here---------------start------------->8---
> jsbien@JSBbuster:~$ simple-scan --debug
> [+0.00s] DEBUG: simple-scan.vala:2012: Starting simple-scan 3.38.1,
> PID=56873
> [+0.00s] DEBUG: unsetenv() is not thread-safe and should not be used
> after threads are created
> [+0.04s] DEBUG: app-window.vala:1990: Loading state from
> /home/jsbien/.cache/simple-scan/state
> [+0.04s] DEBUG: app-window.vala:1969: Restoring window to 1280x1333
> pixels
> [+0.08s] DEBUG: scanner.vala:1548: sane_init () -> SANE_STATUS_GOOD
> [+0.08s] DEBUG: scanner.vala:1554: SANE version 1.0.31
> [+0.08s] DEBUG: scanner.vala:1615: Requesting redetection of scan
> devices
> [+0.08s] DEBUG: scanner.vala:828: Processing request
> [+0.24s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+9.32s] DEBUG: scanner.vala:341: sane_get_devices () ->
> SANE_STATUS_GOOD
> [+9.32s] DEBUG: scanner.vala:353: Device: name="xerox_mfp:tcp 
> 192.168.0.155" vendor="Samsung" model="M2070 Series" type="multi-
> function peripheral"
> [+9.43s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+12.27s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+13.69s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+15.61s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+16.81s] DEBUG: simple-scan.vala:1817: Requesting scan at 300 dpi
> from device 'xerox_mfp:tcp  192.168.0.155'
> [+16.81s] DEBUG: scanner.vala:1683: Scanner.scan ("xerox_mfp:tcp 
> 192.168.0.155", dpi=300, scan_mode=ScanMode.COLOR, depth=8,
> type=single, paper_width=1480, paper_height=2100, brightness=-100,
> contrast=-96, delay=3000ms)
> [+16.81s] DEBUG: scanner.vala:828: Processing request
> [+16.81s] DEBUG: scanner.vala:889: sane_open ("xerox_mfp:tcp 
> 192.168.0.155") -> SANE_STATUS_GOOD
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (0)
> [+16.81s] DEBUG: scanner.vala:760: Option 0: title='Number of
> options' type=int size=4 cap=soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Read-only option
> that specifies how many options a specific device supports.
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (1)
> [+16.81s] DEBUG: scanner.vala:760: Option 1: name='standard'
> title='Standard' type=group size=4
> [+16.81s] DEBUG: scanner.vala:763:   Description: Source, mode and
> resolution options
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (2)
> [+16.81s] DEBUG: scanner.vala:760: Option 2: name='resolution'
> title='Scan resolution' type=int size=4 unit=dpi values=[75, 100,
> 150, 200, 300, 600] cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Sets the resolution
> of the scanned image.
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (3)
> [+16.81s] DEBUG: scanner.vala:760: Option 3: name='mode' title='Scan
> mode' type=string size=9 values=["Lineart", "Halftone", "Gray",
> "Color"] cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Selects the scan
> mode (e.g., lineart, monochrome, or color).
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (4)
> [+16.81s] DEBUG: scanner.vala:760: Option 4: name='highlight'
> title='Threshold' type=fixed size=4 unit=percent min=30.000000,
> max=70.000000, quant=655360 cap=soft-select,soft-detect,inactive
> [+16.81s] DEBUG: scanner.vala:763:   Description: Select minimum-
> brightness to get a white point
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (5)
> [+16.81s] DEBUG: scanner.vala:760: Option 5: name='source'
> title='Scan source' type=string size=8 values=["Flatbed", "ADF",
> "Auto"] cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Selects the scan
> source (such as a document-feeder).
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (6)
> [+16.81s] DEBUG: scanner.vala:760: Option 6: name='geometry'
> title='Geometry' type=group size=4
> [+16.81s] DEBUG: scanner.vala:763:   Description: Scan area and media
> size options
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (7)
> [+16.81s] DEBUG: scanner.vala:760: Option 7: name='tl-x' title='Top-
> left x' type=fixed size=4 unit=mm min=0.000000, max=216.069321,
> quant=65536 cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Top-left x position
> of scan area.
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (8)
> [+16.81s] DEBUG: scanner.vala:760: Option 8: name='tl-y' title='Top-
> left y' type=fixed size=4 unit=mm min=0.000000, max=297.179993,
> quant=65536 cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Top-left y position
> of scan area.
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (9)
> [+16.81s] DEBUG: scanner.vala:760: Option 9: name='br-x'
> title='Bottom-right x' type=fixed size=4 unit=mm min=0.000000,
> max=216.069321, quant=65536 cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Bottom-right x
> position of scan area.
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (10)
> [+16.81s] DEBUG: scanner.vala:760: Option 10: name='br-y'
> title='Bottom-right y' type=fixed size=4 unit=mm min=0.000000,
> max=297.179993, quant=65536 cap=soft-select,soft-detect
> [+16.81s] DEBUG: scanner.vala:763:   Description: Bottom-right y
> position of scan area.
> [+16.81s] DEBUG: scanner.vala:910: sane_get_option_descriptor (11)
> [+16.81s] DEBUG: scanner.vala:571: sane_control_option (5,
> SANE_ACTION_SET_VALUE, source="Auto") -> (SANE_STATUS_GOOD, "Auto")
> [+16.81s] DEBUG: scanner.vala:571: sane_control_option (3,
> SANE_ACTION_SET_VALUE, mode="Color") -> (SANE_STATUS_GOOD, "Color")
> [+16.81s] DEBUG: scanner.vala:483: sane_control_option (2,
> SANE_ACTION_SET_VALUE, resolution=300) -> (SANE_STATUS_GOOD, 300)
> [+16.81s] DEBUG: scanner.vala:523: sane_control_option (9,
> SANE_ACTION_SET_VALUE, br-x=148.000000) -> (SANE_STATUS_GOOD,
> 148.000000)
> [+16.81s] DEBUG: scanner.vala:523: sane_control_option (10,
> SANE_ACTION_SET_VALUE, br-y=210.000000) -> (SANE_STATUS_GOOD,
> 210.000000)
> [+16.94s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+17.86s] DEBUG: app-window.vala:2065: Saving state to
> /home/jsbien/.cache/simple-scan/state
> [+21.95s] DEBUG: scanner.vala:1284: sane_start (page=0, pass=0) ->
> SANE_STATUS_GOOD
> [+21.95s] DEBUG: scanner.vala:1321: sane_get_parameters () ->
> SANE_STATUS_GOOD
> [+21.95s] DEBUG: scanner.vala:1333: Parameters: format=SANE_FRAME_RGB
> last_frame=SANE_TRUE bytes_per_line=5244 pixels_per_line=1748
> lines=2522 depth=8
> [+21.96s] DEBUG: simple-scan.vala:1712: Page is 1748 pixels wide,
> 2522 pixels high, 8 bits per pixel
> [+21.96s] DEBUG: simple-scan.vala:1646: Getting color profile for
> device xerox_mfp:tcp  192.168.0.155
> [+21.97s] DEBUG: simple-scan.vala:1666: Unable to find colord device
> xerox_mfp:tcp  192.168.0.155: property match
> 'Serial'='sane:xerox_mfp:tcp  192.168.0.155' does not exist
> Not a JPEG file: starts with 0x00 0x00
> jsbien@JSBbuster:~$
> --8<---------------cut here---------------end--------------->8---
> 
> 
> When I print, the device is recognized as two, and only one works. I
> decided to live with it and not trying to solve it.
> 
> At first simple-scan also was finding two devices and one of them
> worked. Now it finds only one them, the non-working one...
> 
> However I have vague memories that the problem occurred also from
> time
> to time with USB connection.
> 
> Best regards
> 
> Janusz
> 



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