Hi Kip, Rolf I've got the latest and still unable to connect. Did you need to resolve anything like this? Are you just adding a bjnp line to pixma.conf?
$ SANE_DEBUG_BJNP=5 scanimage -L 2>&1 [sanei_debug] Setting debug level of bjnp to 5. [bjnp] sanei_bjnp_find_devices, pixma backend version: 0.23.4 [bjnp] sanei_bjnp_find_devices: Adding scanner from pixma.conf: bjnp:// 192.168.86.39 [bjnp] bjnp_allocate_device(bjnp://192.168.86.39:8612/timeout=10000) 0 [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, using as hostname [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 port 8612 [bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - no data received (timeout = 10000) [bjnp] bjnp_init_device_structure: Cannot read mac address, skipping this scanner [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: 192.168.86.39:8612 [bjnp] get_scanner_id: Get scanner identity [bjnp] 00000000:42 4a 4e 50 02 30 00 00 00 01 00 00 00 00 00 00 [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 port 8612 [bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - no data received (timeout = 10000) [bjnp] get_scanner_id: ERROR - Failed to retrieve scanner identity: [bjnp] add_scanner: ERROR - Cannot read scanner make & model: bjnp:// 192.168.86.39:8612/timeout=10000 [bjnp] sanei_bjnp_find_devices: Added all configured scanners, now do auto detection... [bjnp] prepare_socket: lo is not a valid IPv4 interface, skipping... [bjnp] prepare_socket: eth0 is IPv4 capable, sending broadcast, socket = 9 [bjnp] prepare_socket: docker0 is IPv4 capable, sending broadcast, socket = 10 [bjnp] prepare_socket: lo is not a valid IPv6 interface, skipping... [bjnp] prepare_socket: eth0 is IPv6 capable, sending broadcast, socket = 11 [bjnp] sanei_bjnp_find_devices: Select returned, time left 0.499969.... [bjnp] sanei_find_devices: Discover response: [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 [bjnp] 00000010:00 01 80 00 06 04 10 98 c3 da 2c f7 c0 a8 56 27 [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, using as hostname [bjnp] bjnp_allocate_device(mfnp://canoncbcab3.lan:8610/timeout=10000) 1 [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, using as hostname [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 port 8610 [bjnp] bjnp_get_scanner_mac_address: Discover response: [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 [bjnp] 00000010:00 01 80 00 06 04 10 98 c3 da 2c f7 c0 a8 56 27 [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: canoncbcab3.lan:8610 [bjnp] get_scanner_id: Get scanner identity [bjnp] 00000000:4d 46 4e 50 02 30 00 00 00 01 00 00 00 00 00 00 [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 port 8610 [bjnp] get_scanner_id: scanner identity: [bjnp] 00000000:4d 46 4e 50 82 30 00 00 00 01 00 00 00 00 00 5a [bjnp] 00000010:4d 46 47 3a 43 41 4e 4f 4e 3b 43 4d 44 3a 4d 46 [bjnp] 00000020:4e 50 31 2c 4d 75 6c 74 69 50 41 53 53 20 32 2e [bjnp] 00000030:31 3b 4d 44 4c 3a 4d 46 36 34 32 43 2f 36 34 33 [bjnp] 00000040:43 2f 36 34 34 43 3b 43 4c 53 3a 49 4d 47 3b 44 [bjnp] 00000050:45 53 3a 43 61 6e 6f 6e 20 4d 46 36 34 32 43 2f [bjnp] 00000060:36 34 33 43 2f 36 34 34 43 3b *** buffer overflow detected ***: scanimage terminated [bjnp] get_scanner_id: Scanner identity string = MFG:CANON;CMD:MFNP1,MultiPASS 2.1;MDL:MF642C/643C/644C;CLS:IMG;DES:Canon MF642C/643C/644C; - length = 90 [bjnp] get_scanner_id: Scanner model = MF642C/643C/644C On Sat, Oct 5, 2019 at 8:13 AM Kip Shaffer <[email protected]> wrote: > I just updated from Rolf's PPA, and I am very happy to say that I can now > detect and scan from my Canon ImageClass MF644Cdw over the network. I > confirmed it can scan in resolutions of 75, 150, 300, 600, 1200, and 2400 > for both Text and Color modes. It successfully read 2 sided multiple pages > from the sheet feeder. > > The only issue I saw (same as earlier) is that when it completes a job > reading from the sheet feeder, SimpleScan pops up a dialog box stating > "Failed to Scan" "Error communicating with scanner." This does not affect > the job... all pages were scanned successfully. > > Thank you everyone! I am happy to continue tests if there is energy for > debugging the error message! > > -Kip > > On Fri, Oct 4, 2019 at 3:33 PM Rolf Bensch <[email protected]> wrote: > >> Hi, >> >> It seems that the network model differs between sources and network >> scanner discovery. I just fixed it. It will be available from my ppa >> tomorrow. >> >> Hope this helps. >> >> Cheers, >> Rolf >> >> >> Am 04.10.19 um 18:53 schrieb David McMahon: >> > >> > >> > On Fri, Oct 4, 2019 at 3:51 AM Rolf Bensch <[email protected] >> > <mailto:[email protected]>> wrote: >> > >> > Hi Kip, >> > >> > Am 14.09.19 um 03:40 schrieb Kip Shaffer: >> > > Scanning Results! I updated to today's >> > version: 1.0.28+git20190913-bionic0 >> > > >> > > Using Simple Scan I was able to scan at 75, 150, 300, 600, 1200, >> and >> > > 2400 dpi in both Text and Photo modes. Perfect! >> > >> > I just updated the doc files. >> > >> > > >> > > When scanning from the document feeder, it scans front and back, >> one >> > > sheet or many, but after the job is done there is a pause, and >> then it >> > > says "Error communicating with scanner". >> > >> > Can you scan again after closing the message and/or does your >> > scanner hang? >> > >> > The pause comes from adf-wait parameter. Please read the man page >> for >> > details. >> > >> > > >> > > Also, this has all been through USB. I tried to connect with the >> > > network and scanimage -L cannot find it. I added the address to >> > > pixma.conf (neither line helped): >> > > bjnp://MF640_192.168.1.97 >> > > bjnp://192.168.1.97 <http://192.168.1.97> <http://192.168.1.97> >> > >> > Please read 'man sane-pixma' to get some help for this issue. If >> this >> > won't help, please provide a log file with SANE_DEBUG_BJNP. >> > >> > >> > Here's mine: >> > >> > $ SANE_DEBUG_BJNP=5 scanimage -L 2>&1 >> > [sanei_debug] Setting debug level of bjnp to 5. >> > [bjnp] sanei_bjnp_find_devices, pixma backend version: 0.23.3 >> > [bjnp] sanei_bjnp_find_devices: Adding scanner from pixma.conf: >> > bjnp://192.168.86.39 <http://192.168.86.39> >> > [bjnp] bjnp_allocate_device(bjnp://192.168.86.39:8612/timeout=10000 >> > <http://192.168.86.39:8612/timeout=10000>) 0 >> > [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, >> > using as hostname >> > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 >> > port 8612 >> > [bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] >> > udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: >> > ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - no >> > data received (timeout = 10000) >> > [bjnp] bjnp_init_device_structure: Cannot read mac address, skipping >> > this scanner >> > [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: >> > 192.168.86.39:8612 <http://192.168.86.39:8612> >> > [bjnp] get_scanner_id: Get scanner identity >> > [bjnp] 00000000:42 4a 4e 50 02 30 00 00 00 01 00 00 00 00 00 00 >> > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 >> > port 8612 >> > [bjnp] udp_command: ERROR - recv failed: Connection refused[bjnp] >> > udp_command: ERROR - recv failed: Connection refused[bjnp] udp_command: >> > ERROR - recv failed: Connection refused[bjnp] udp_command: ERROR - no >> > data received (timeout = 10000) >> > [bjnp] get_scanner_id: ERROR - Failed to retrieve scanner identity: >> > [bjnp] add_scanner: ERROR - Cannot read scanner make & model: >> > bjnp://192.168.86.39:8612/timeout=10000 >> > <http://192.168.86.39:8612/timeout=10000> >> > [bjnp] sanei_bjnp_find_devices: Added all configured scanners, now do >> > auto detection... >> > [bjnp] prepare_socket: lo is not a valid IPv4 interface, skipping... >> > [bjnp] prepare_socket: eth0 is IPv4 capable, sending broadcast, socket >> = 9 >> > [bjnp] prepare_socket: docker0 is IPv4 capable, sending broadcast, >> > socket = 10 >> > [bjnp] prepare_socket: lo is not a valid IPv6 interface, skipping... >> > [bjnp] prepare_socket: eth0 is IPv6 capable, sending broadcast, socket >> = 11 >> > [bjnp] sanei_bjnp_find_devices: Select returned, time left 0.499988.... >> > [bjnp] sanei_find_devices: Discover response: >> > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 >> > [bjnp] 00000010:00 01 80 00 06 04 10 98 c3 da 2c f7 c0 a8 56 27 >> > [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, >> > using as hostname >> > [bjnp] bjnp_allocate_device(mfnp://canoncbcab3.lan:8610/timeout=10000) 1 >> > [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, >> > using as hostname >> > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 >> > port 8610 >> > [bjnp] bjnp_get_scanner_mac_address: Discover response: >> > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 >> > [bjnp] 00000010:00 01 80 00 06 04 10 98 c3 da 2c f7 c0 a8 56 27 >> > [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: >> > canoncbcab3.lan:8610 >> > [bjnp] get_scanner_id: Get scanner identity >> > [bjnp] 00000000:4d 46 4e 50 02 30 00 00 00 01 00 00 00 00 00 00 >> > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 >> > port 8610 >> > [bjnp] get_scanner_id: scanner identity: >> > [bjnp] 00000000:4d 46 4e 50 82 30 00 00 00 01 00 00 00 00 00 5a >> > [bjnp] 00000010:4d 46 47 3a 43 41 4e 4f 4e 3b 43 4d 44 3a 4d 46 >> > [bjnp] 00000020:4e 50 31 2c 4d 75 6c 74 69 50 41 53 53 20 32 2e >> > [bjnp] 00000030:31 3b 4d 44 4c 3a 4d 46 36 34 32 43 2f 36 34 33 >> > [bjnp] 00000040:43 2f 36 34 34 43 3b 43 4c 53 3a 49 4d 47 3b 44 >> > [bjnp] 00000050:45 53 3a 43 61 6e 6f 6e 20 4d 46 36 34 32 43 2f >> > [bjnp] 00000060:36 34 33 43 2f 36 34 34 43 3b >> > [bjnp] get_scanner_id: Scanner identity string = >> > MFG:CANON;CMD:MFNP1,MultiPASS 2.1;MDL:MF642C/643C/644C;CLS:IMG;DES:Canon >> > MF642C/643C/644C; - length = 90 >> > [bjnp] get_scanner_id: Scanner model = MF642C/643C/644C >> > [bjnp] add_scanner: New scanner added: >> > mfnp://canoncbcab3.lan:8610/timeout=10000, serial canoncbcab3.lan, mac >> > address: 1098c3da2cf7. >> > [bjnp] sanei_find_devices: Discover response: >> > [bjnp] 00000000:42 4a 4e 50 02 01 00 00 00 00 00 00 00 00 00 00 >> > [bjnp] sanei_bjnp_find_devices: Select returned, time left 0.499992.... >> > [bjnp] sanei_find_devices: Discover response: >> > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 >> > [bjnp] 00000010:00 01 80 00 06 04 10 98 c3 da 2c f7 c0 a8 56 27 >> > [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, >> > using as hostname >> > [bjnp] bjnp_allocate_device(mfnp://canoncbcab3.lan:8610/timeout=10000) 2 >> > [bjnp] get_scanner_name: Forward lookup for canoncbcab3.lan succeeded, >> > using as hostname >> > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: 192.168.86.39 >> > port 8610 >> > [bjnp] bjnp_get_scanner_mac_address: Discover response: >> > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 >> > [bjnp] 00000010:00 01 80 00 06 04 10 98 c3 da 2c f7 c0 a8 56 27 >> > [bjnp] add_scanner: Scanner at mfnp://canoncbcab3.lan:8610/timeout=10000 >> > was added before, good! >> > [bjnp] sanei_find_devices: Discover response: >> > [bjnp] 00000000:42 4a 4e 50 02 01 00 00 00 00 00 00 00 00 00 00 >> > [bjnp] sanei_find_devices: scanner discovery finished... >> > >> > No scanners were identified. If you were expecting something different, >> > check that the scanner is plugged in, turned on and detected by the >> > sane-find-scanner tool (if appropriate). Please read the documentation >> > which came with this software (README, FAQ, manpages). >> > >> > >> > > >> > > TL:DR - the sane-pixma backend is functional for the Canon >> ImageClass >> > > MF644Cdw when connected via USB, with only a slight hiccup after >> > > scanning from the sheet feeder. I was not able to scan over the >> > network. >> > >> > Many thanks for your report. >> > >> > Hope this helps. >> > >> > Cheers, >> > Rolf >> > >> >
