Thank you for the additional information. This gives me an additional
error:

aug 27 14:09:01 eaze saned[6203]: [plustek] sanei_usb_open failed:
Permission denied (13)
aug 27 14:09:01 eaze saned[6203]: [plustek] open failed: -1

See also the attached log file.
aug 27 14:09:01 eaze saned[6203]: [sanei_debug] Setting debug level of plustek 
to 12.
aug 27 14:09:01 eaze saned[6203]: [plustek] Plustek backend V0.52-12, part of 
sane-backends 1.0.27
aug 27 14:09:01 eaze saned[6203]: [plustek] Retrieving all supported and 
conntected devices
aug 27 14:09:01 eaze saned[6203]: [plustek] Available and supported devices:
aug 27 14:09:01 eaze saned[6203]: [plustek] NONE.
aug 27 14:09:01 eaze saned[6203]: [plustek] ># Plustek-SANE Backend 
configuration file<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># For use with LM9831/2/3 based 
USB scanners<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># each device needs at least two 
lines:<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># - [usb] vendor-ID and product-ID<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># - device devicename<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># i.e. for Plustek (0x07B3) 
UT12/16/24 (0x0017)<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># [usb] 0x07B3 0x0017<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># device /dev/usbscanner<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># or<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># device libusb:bbb:ddd<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># where bbb is the busnumber and 
ddd the device number<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># make sure that your user has 
access to /proc/bus/usb/bbb/ddd<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># additionally you can specify 
some options<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># warmup, lOffOnEnd, lampOff<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># For autodetection use<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># [usb]<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># device /dev/usbscanner<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># or simply<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># [usb]<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># or if you want a specific device 
but you have no idea about the<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># device node or you use libusb, 
simply set vendor- and product-ID<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># [usb] 0x07B3 0x0017<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># device auto<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># NOTE: autodetection is safe, as 
it uses the info it got<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#       from the USB subsystem. If 
you're not using the<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#       autodetection, you MUST 
have attached that device<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#       at your USB-port, that you 
have specified...<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >[usb]<
aug 27 14:09:01 eaze saned[6203]: [plustek] next device uses autodetection
aug 27 14:09:01 eaze saned[6203]: [plustek] ... next device
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># options for the previous USB 
entry<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># switch lamp off after xxx secs, 
0 disables the feature<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option lampOff 300<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >lampOff<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># warmup period in seconds, 0 
means no warmup, -1 means auto-warmup<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option warmup -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >warmup<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 0 means leave lamp-status 
untouched, not 0 means switch off<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># on sane_close<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option lOffOnEnd 1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >lOffOnEnd<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># options to tweak the image 
start-position<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (WARNING: there's no internal 
range check!!!)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for the normal scan area<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option posOffX 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >posOffX<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option posOffY 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >posOffY<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for transparencies<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option tpaOffX 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >tpaOffX<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option tpaOffY 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >tpaOffY<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for negatives<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option negOffX 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >negOffX<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option negOffY 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >negOffY<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for setting the calibration 
strip position<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (WARNING: there's no internal 
range check!!!)<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># -1 means use built in<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option posShadingY -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >posShadingY<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option tpaShadingY -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >tpaShadingY<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option negShadingY -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >negShadingY<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># to invert the negatives, 0 
disables the feature<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option invertNegatives 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >invertNegatives<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># to disable the internal sensor 
speedup function,<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 1 disables the feature<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option disableSpeedup 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >disableSpeedup<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># to save/restore coarse 
calibration data<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option cacheCalData 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >cacheCalData<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># use alternate calibration 
routines<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option altCalibration 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >altCalibration<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for skipping whole calibration 
step<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option skipCalibration 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >skipCalibration<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for skipping entire fine 
calibration step<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># coarse calibration is done<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option skipFine 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >skipFine<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># discard the result of the fine 
white calibration<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option skipFineWhite 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >skipFineWhite<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># some scanners have a dark 
calibration strip, in<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># general this one should be used 
for calibration.<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># As this could cause some 
trouble, this option<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># overrides that and the dark 
calibration will be<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># done by switching the lamp off<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option skipDarkStrip 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >skipDarkStrip<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for replacing the gain values 
found during coarse<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># calibration<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option red_gain   -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >red_gain<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option green_gain -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >green_gain<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option blue_gain  -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >blue_gain<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for replacing the offset values 
found during coarse<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># calibration<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option red_offset   -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >red_offset<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option green_offset -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >green_offset<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option blue_offset  -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >blue_offset<
aug 27 14:09:01 eaze audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 
ses=4294967295 subj==unconfined 
msg='unit=saned@10-127.0.0.1:6566-127.0.0.1:34740 comm="systemd" 
exe="/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
aug 27 14:09:02 eaze systemd[1]: 
saned@10-127.0.0.1:6566-127.0.0.1:34740.service: Succeeded.
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for replacing the default 
lampoff settings, this<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># works only for CIS devices like 
CanoScan LiDE20<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option red_lampoff   -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >red_lampoff<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option green_lampoff -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >green_lampoff<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option blue_lampoff  -1<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >blue_lampoff<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># for adjusting the default gamma 
values<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># (can also be set via frontend)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option redGamma         1.0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >redGamma<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option greenGamma       1.0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >greenGamma<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option blueGamma        1.0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >blueGamma<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option grayGamma        1.0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >grayGamma<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># to enable TPA (EPSON or UMAX, if 
autodetection fails)<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 0 means default behaviour as 
specified in the internal tables<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 1 means enable (needed for UMAX 
3450)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option enableTPA 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >enableTPA<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># model override functionality, 
currently only available for<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># Mustek devices, using NSCs' 
vendor ID: 0x0400 and<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># also their product ID: 0x1000 
(LM9831) 0x1001 (LM9832)<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># mov/PID    |    0x1000   |   
0x1001<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 
---------------------------------------<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 0 (default)| BearPaw1200 | 
BearPaw 2400<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># 1          |   ignored   | 
BearPaw 1200<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] >option mov 0<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding option >mov<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># and of course the device-name<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># device /dev/usbscanner<
aug 27 14:09:01 eaze saned[6203]: [plustek] >device auto<
aug 27 14:09:01 eaze saned[6203]: [plustek] Decoding device name >auto<
aug 27 14:09:01 eaze saned[6203]: [plustek] ><
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># to define a new device, start 
with a new section:<
aug 27 14:09:01 eaze saned[6203]: [plustek] ># [usb]<
aug 27 14:09:01 eaze saned[6203]: [plustek] >#<
aug 27 14:09:01 eaze saned[6203]: [plustek] attach (auto, 0x7fff5a503530, (nil))
aug 27 14:09:01 eaze saned[6203]: [plustek] Device configuration:
aug 27 14:09:01 eaze saned[6203]: [plustek] device name  : >auto<
aug 27 14:09:01 eaze saned[6203]: [plustek] USB-ID       : ><
aug 27 14:09:01 eaze saned[6203]: [plustek] model ovr.   : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] warmup       : -1s
aug 27 14:09:01 eaze saned[6203]: [plustek] lampOff      : 300
aug 27 14:09:01 eaze saned[6203]: [plustek] lampOffOnEnd : yes
aug 27 14:09:01 eaze saned[6203]: [plustek] cacheCalData : no
aug 27 14:09:01 eaze saned[6203]: [plustek] altCalibrate : no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipCalibr.  : no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipFine     : no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipFineWhite: no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipDarkStrip: no
aug 27 14:09:01 eaze saned[6203]: [plustek] incDarkTarget: yes
aug 27 14:09:01 eaze saned[6203]: [plustek] invertNegs.  : no
aug 27 14:09:01 eaze saned[6203]: [plustek] dis.Speedup  : no
aug 27 14:09:01 eaze saned[6203]: [plustek] pos_x        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] pos_y        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] pos_shading_y: -1
aug 27 14:09:01 eaze saned[6203]: [plustek] neg_x        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] neg_y        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] neg_shading_y: -1
aug 27 14:09:01 eaze saned[6203]: [plustek] tpa_x        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] tpa_y        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] tpa_shading_y: -1
aug 27 14:09:01 eaze saned[6203]: [plustek] red gain     : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] green gain   : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] blue gain    : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] red offset   : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] green offset : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] blue offset  : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] red lampoff  : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] green lampoff: -1
aug 27 14:09:01 eaze saned[6203]: [plustek] blue lampoff : -1
aug 27 14:09:01 eaze saned[6203]: [plustek] red Gamma    : 1.00
aug 27 14:09:01 eaze saned[6203]: [plustek] green Gamma  : 1.00
aug 27 14:09:01 eaze saned[6203]: [plustek] blue Gamma   : 1.00
aug 27 14:09:01 eaze saned[6203]: [plustek] gray Gamma   : 1.00
aug 27 14:09:01 eaze saned[6203]: [plustek] ---------------------
aug 27 14:09:01 eaze saned[6203]: [plustek] usbDev_open(auto,) - (nil)
aug 27 14:09:01 eaze saned[6203]: [plustek] sanei_usb_open failed: Permission 
denied (13)
aug 27 14:09:01 eaze saned[6203]: [plustek] open failed: -1
aug 27 14:09:01 eaze saned[6203]: [dll] init: backend `plustek' is version 1.0.0
aug 27 14:09:01 eaze saned[6203]: [plustek] sane_open - 0
aug 27 14:09:01 eaze saned[6203]: [plustek] attach (0, 0x7fff5a5044d0, 
0x7fff5a5044c8)
aug 27 14:09:01 eaze saned[6203]: [plustek] Device configuration:
aug 27 14:09:01 eaze saned[6203]: [plustek] device name  : ><
aug 27 14:09:01 eaze saned[6203]: [plustek] USB-ID       : ><
aug 27 14:09:01 eaze saned[6203]: [plustek] model ovr.   : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] warmup       : 0s
aug 27 14:09:01 eaze saned[6203]: [plustek] lampOff      : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] lampOffOnEnd : no
aug 27 14:09:01 eaze saned[6203]: [plustek] cacheCalData : no
aug 27 14:09:01 eaze saned[6203]: [plustek] altCalibrate : no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipCalibr.  : no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipFine     : no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipFineWhite: no
aug 27 14:09:01 eaze saned[6203]: [plustek] skipDarkStrip: no
aug 27 14:09:01 eaze saned[6203]: [plustek] incDarkTarget: no
aug 27 14:09:01 eaze saned[6203]: [plustek] invertNegs.  : no
aug 27 14:09:01 eaze saned[6203]: [plustek] dis.Speedup  : no
aug 27 14:09:01 eaze saned[6203]: [plustek] pos_x        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] pos_y        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] pos_shading_y: 0
aug 27 14:09:01 eaze saned[6203]: [plustek] neg_x        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] neg_y        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] neg_shading_y: 0
aug 27 14:09:01 eaze saned[6203]: [plustek] tpa_x        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] tpa_y        : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] tpa_shading_y: 0
aug 27 14:09:01 eaze saned[6203]: [plustek] red gain     : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] green gain   : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] blue gain    : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] red offset   : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] green offset : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] blue offset  : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] red lampoff  : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] green lampoff: 0
aug 27 14:09:01 eaze saned[6203]: [plustek] blue lampoff : 0
aug 27 14:09:01 eaze saned[6203]: [plustek] red Gamma    : 0.00
aug 27 14:09:01 eaze saned[6203]: [plustek] green Gamma  : 0.00
aug 27 14:09:01 eaze saned[6203]: [plustek] blue Gamma   : 0.00
aug 27 14:09:01 eaze saned[6203]: [plustek] gray Gamma   : 0.00
aug 27 14:09:01 eaze saned[6203]: [plustek] ---------------------
aug 27 14:09:01 eaze saned[6203]: [plustek] usbDev_open(0,) - (nil)
aug 27 14:09:01 eaze saned[6203]: [plustek] sanei_usb_open failed: Permission 
denied (13)
aug 27 14:09:01 eaze saned[6203]: [plustek] open failed: -1
aug 27 14:09:01 eaze saned[6203]: saned exiting

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