Re: Trouble scanning with Canon MF8280

Hi Ralph,

Thank you a lot, you were perfectly right. It works in both USB and 
network mode.

Best regards
Karsten

On 25.04.24 19:12, Ralph Little wrote:
> Hi,
> The diag seems to indicate that the machine is busy. This is often 
> because a lot of the imageClass machines require it to be put in 
> "remote scanning mode" in order to scan off it. I believe in this 
> case, you press SCAN on the machine, and select "Remote Scanner" from 
> the menu.
>
> Cheers,
> Ralph
>
> On Thu, Apr 25, 2024 at 4:20 AM Karsten Opel <[email protected]> 
> wrote:
>
>     Hi,
>
>     I have tried for some time to scan from a Canon i-Sensys MF8280Cw.
>     To exclude network issues the device is now connected to USB.
>     It is found by both sane-find-scanner and scanimage -L, detected
>     as MF8200C series device.
>     scanimage -d test -T passes.
>     simple-scan allows to select the device but starting a scan gives
>     "Failed to scan: Error communicating with scanner."
>     I've set the environment variables as described in
>     http://www.sane-project.org/man/sane.7.html and get the output
>     below when using scanimage.
>     Any ideas why it's not working?
>
>     Kind regards
>     Karsten
>
>     ~$ scanimage >image.pnm
>     [13:05:31.639477] [sanei_debug] Setting debug level of dll to 128.
>     [13:05:31.639554] [dll] sane_init: SANE dll backend version 1.0.13
>     from sane-backends 1.1.1-debian
>     [13:05:31.639569] [dll] sane_init/read_dlld: attempting to open
>     directory `./dll.d'
>     [13:05:31.639591] [dll] sane_init/read_dlld: attempting to open
>     directory `/etc/sane.d/dll.d'
>     [13:05:31.639612] [dll] sane_init/read_dlld: using config
>     directory `/etc/sane.d/dll.d'
>     [13:05:31.639637] [dll] sane_init/read_dlld: considering
>     /etc/sane.d/dll.d/hplip
>     [13:05:31.639659] [dll] sane_init/read_config: reading dll.d/hplip
>     [13:05:31.639681] [dll] add_backend: adding backend `hpaio'
>     [13:05:31.639703] [dll] sane_init/read_dlld: done.
>     [13:05:31.639721] [dll] sane_init/read_config: reading dll.conf
>     [13:05:31.639752] [dll] add_backend: adding backend `pixma'
>     Output format is not set, using pnm as a default.
>     [13:05:31.639785] [dll] sane_get_devices
>     [13:05:31.639797] [dll] load: searching backend `pixma' in
>     `/usr/lib/x86_64-linux-gnu/sane:/usr/lib/sane:/usr/lib64/sane'
>     [13:05:31.639808] [dll] load: trying to load
>     `/usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1'
>     [13:05:31.639825] [dll] load: dlopen()ing
>     `/usr/lib/x86_64-linux-gnu/sane/libsane-pixma.so.1'
>     [13:05:31.640038] [dll] init: initializing backend `pixma'
>     [13:05:31.640062] [sanei_debug] Setting debug level of pixma to 11.
>     [13:05:31.640079] [pixma] pixma is compiled with pthread support.
>     [13:05:31.640114] [pixma] pixma version 0.28.6
>     [13:05:31.654871] [dll] init: backend `pixma' is version 1.0.28
>     [13:05:31.654903] [pixma] pixma_collect_devices() found Canon
>     i-SENSYS MF8200C Series at libusb:003:011
>     [13:05:32.390277] [pixma] pixma_collect_devices() found Canon
>     i-SENSYS MF8200C Series at mfnp://192.168.39.107:8610/timeout=3000
>     <http://192.168.39.107:8610/timeout=3000>
>     [13:05:32.390337] [pixma] pixma_find_scanners() found 2 devices
>     [13:05:32.390359] [dll] load: searching backend `hpaio' in
>     `/usr/lib/x86_64-linux-gnu/sane:/usr/lib/sane:/usr/lib64/sane'
>     [13:05:32.390373] [dll] load: trying to load
>     `/usr/lib/x86_64-linux-gnu/sane/libsane-hpaio.so.1'
>     [13:05:32.390408] [dll] load: dlopen()ing
>     `/usr/lib/x86_64-linux-gnu/sane/libsane-hpaio.so.1'
>     [13:05:32.397265] [dll] init: initializing backend `hpaio'
>     [13:05:32.398298] [dll] init: backend `hpaio' is version 1.0.0
>     [13:05:33.429751] [dll] sane_get_devices: found 2 devices
>     [13:05:33.429794] [dll] sane_open: trying to open
>     `pixma:MF8200C_192.168.39.107'
>     [13:05:33.429827] [pixma] pixma_collect_devices() found Canon
>     i-SENSYS MF8200C Series at libusb:003:011
>     [13:05:34.102077] [pixma] pixma_collect_devices() found Canon
>     i-SENSYS MF8200C Series at mfnp://192.168.39.107:8610/timeout=3000
>     <http://192.168.39.107:8610/timeout=3000>
>     [13:05:34.102145] [pixma] pixma_open(): Canon i-SENSYS MF8200C Series
>     [13:05:34.134289] [pixma] *iclass_open***** This is a generation 2
>     scanner.  *****
>     [13:05:34.134337] [pixma] Trying to clear the interrupt buffer...
>     [13:05:35.142661] [pixma]   no packets in buffer
>     [13:05:35.142731] [dll] sane_open: open successful
>     [13:05:35.142750] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=0)
>     [13:05:35.142767] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=0,action=0,value=0x7ffe72ed3b24,info=(nil))
>     [13:05:35.142787] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=0)
>     [13:05:35.142800] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=0,action=0,value=0x7ffe72ed3a30,info=(nil))
>     [13:05:35.142813] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=1)
>     [13:05:35.142823] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=2)
>     [13:05:35.142833] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=3)
>     [13:05:35.142843] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=4)
>     [13:05:35.142853] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=5)
>     [13:05:35.142863] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=6)
>     [13:05:35.142872] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=7)
>     [13:05:35.142882] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=8)
>     [13:05:35.142892] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=9)
>     [13:05:35.142905] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=10)
>     [13:05:35.142919] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=11)
>     [13:05:35.142935] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=12)
>     [13:05:35.142950] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=13)
>     [13:05:35.142964] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=14)
>     [13:05:35.142979] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=15)
>     [13:05:35.142992] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=16)
>     [13:05:35.143008] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=17)
>     [13:05:35.143022] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=18)
>     [13:05:35.143036] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=19)
>     [13:05:35.143058] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=20)
>     [13:05:35.143074] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=21)
>     [13:05:35.143089] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=22)
>     [13:05:35.143103] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=23)
>     [13:05:35.143117] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=24)
>     [13:05:35.143129] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=25)
>     [13:05:35.143141] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=26)
>     [13:05:35.143157] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=27)
>     [13:05:35.143172] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=28)
>     [13:05:35.143186] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=29)
>     [13:05:35.143201] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=13,action=0,value=0x5641bbc6d378,info=(nil))
>     [13:05:35.143215] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=11,action=0,value=0x7ffe72ed3a34,info=(nil))
>     [13:05:35.143231] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=14,action=0,value=0x5641bbc6d37c,info=(nil))
>     [13:05:35.143248] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=12,action=0,value=0x7ffe72ed3a34,info=(nil))
>     [13:05:35.143267] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=11,action=0,value=0x7ffe72ed3b80,info=(nil))
>     [13:05:35.143282] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=13)
>     [13:05:35.143294] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=13,action=1,value=0x7ffe72ed3b60,info=0x7ffe72ed3a44)
>     [13:05:35.143307] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=12,action=0,value=0x7ffe72ed3b80,info=(nil))
>     [13:05:35.143323] [dll]
>     sane_get_option_descriptor(handle=0x5641bc236bb0,option=14)
>     [13:05:35.143335] [dll]
>     sane_control_option(handle=0x5641bc236bb0,option=14,action=1,value=0x7ffe72ed3b60,info=0x7ffe72ed3a44)
>     [13:05:35.143391] [dll] sane_start(handle=0x5641bc236bb0)
>     [13:05:35.143610] [pixma] Reader task id=140395754935872 (threaded)
>     [13:05:35.143611] [pixma] Reader task started
>     [13:05:35.143631] [dll] [13:05:35.143738] [pixma]
>     sane_get_parameters(handle=0x5641bc236bb0,params=0x7ffe72ed3b60)
>     [13:05:35.143756] [pixma] pixma_scan(): start
>     [13:05:35.143774] [dll]
>     sane_read(handle=0x5641bc236bb0,data=0x5641bc296840,maxlen=32768,lenp=0x7ffe72ed3b2c)
>     [13:05:35.143780] [pixma]   line_size=1920 image_size=1683840
>     channels=3 depth=8
>     [13:05:35.143812] [pixma]   dpi=75x75 offset=(0,0) dimension=640x877
>     [13:05:35.143825] [pixma]   gamma=2.199997
>     gamma_table=0x5641bc28c6d8 source=0
>     [13:05:35.143845] [pixma]   threshold=127 threshold_curve=0
>     [13:05:35.143857] [pixma]   adf-wait=0
>     [13:05:35.143868] [pixma]   ADF page count: 0
>     [13:05:36.162326] [pixma] raw_width = 640
>     [13:05:36.171744] [pixma] OUT  T=4.531 len=10
>     [13:05:36.171786] [pixma]  00000000:f3 20 00 00 00 00 00 00  0c
>     00     . ...... ..
>     [13:05:36.171797] [pixma]
>     [13:05:36.181237] [pixma] IN   T=4.541 len=14
>     [13:05:36.181279] [pixma]  00000000:06 06 03 01 00 41 03 00  41 10
>     00 01 00 66     .....A.. A....f
>     [13:05:36.181290] [pixma]
>     [13:05:36.181300] [pixma] Current status: paper=0x01 cal=0 lamp=16
>     [13:05:36.181310] [pixma] *iclass_scan***** start scanning *****
>     [13:05:36.185463] [pixma] OUT  T=4.545 len=10
>     [13:05:36.185520] [pixma]  00000000:db 20 00 00 00 00 00 00  00
>     00     . ...... ..
>     [13:05:36.185531] [pixma]
>     [13:05:36.190071] [pixma] IN   T=4.549 len=2
>     [13:05:36.190117] [pixma]  00000000:14 14     ..
>     [13:05:36.190130] [pixma]
>     [13:05:36.190143] [pixma] pixma_scan() failed EBUSY
>     [13:05:36.190167] [pixma] Reader task terminated: EBUSY
>     [13:05:36.190218] [pixma] read_image():reader task closed the
>     pipe:0 bytes received, 1683840 bytes expected
>     scanimage: sane_read: Device busy
>     [13:05:36.190339] [dll] sane_cancel(handle=0x5641bc236bb0)
>     [13:05:36.190353] [dll] sane_close(handle=0x5641bc236bb0)
>     [13:05:36.190364] [pixma] pixma_close(): Canon i-SENSYS MF8200C Series
>     [13:05:36.192213] [dll] sane_exit: exiting
>     [13:05:36.192236] [dll] sane_exit: calling backend `pixma's exit
>     function
>     [13:05:36.192430] [dll] sane_exit: calling backend `hpaio's exit
>     function
>     [13:05:36.192952] [dll] sane_exit: finished
>