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[Vladimir Kolesnikov <question455096@xxxxxxxxxxxxxxxxxxxxx>]

New question #455096 on Simple Scan:
https://answers.launchpad.net/simple-scan/+question/455096

hello, 

simple scan doesn't work under 16.04 (under 14.04 on the same hardware everything worked flawlessly). the scanner is canon mp495, connected over home wifi. the scanner works via the (canon's?) scangearmp utility. with simple-scan I get:

user@host:~/tmp$ simple-scan -d
[+0.00s] DEBUG: simple-scan.vala:674: Starting Simple Scan 3.20.0, PID=21427
[+0.00s] DEBUG: Connecting to session manager
[+0.07s] DEBUG: ui.vala:2032: Loading state from /home/user/.cache/simple-scan/state
[+0.07s] DEBUG: ui.vala:1995: Restoring window to 600x428 pixels
[+0.07s] DEBUG: ui.vala:1999: Restoring window to maximized
[+0.07s] DEBUG: autosave-manager.vala:64: Loading autosave information
[+0.07s] DEBUG: autosave-manager.vala:259: Waiting to autosave...
[+0.07s] CRITICAL: gtk_event_controller_reset: assertion 'GTK_IS_EVENT_CONTROLLER (controller)' failed
[+0.16s] DEBUG: scanner.vala:1447: sane_init () -> SANE_STATUS_GOOD
[+0.16s] DEBUG: scanner.vala:1453: SANE version 1.0.25
[+0.16s] DEBUG: scanner.vala:1514: Requesting redetection of scan devices
[+0.16s] DEBUG: scanner.vala:803: Processing request
[+0.17s] DEBUG: autosave-manager.vala:281: Autosaving book information
[+0.26s] DEBUG: ui.vala:2124: Saving state to /home/user/.cache/simple-scan/state
[+6.37s] DEBUG: scanner.vala:338: sane_get_devices () -> SANE_STATUS_GOOD
[+6.37s] DEBUG: scanner.vala:350: Device: name="pixma:MP495_192-168-1-8" vendor="CANON" model="Canon PIXMA MP495" type="multi-function peripheral"
[+104.27s] DEBUG: simple-scan.vala:404: Requesting scan at 300 dpi from device 'pixma:MP495_192-168-1-8'
[+104.27s] DEBUG: scanner.vala:1560: Scanner.scan ("pixma:MP495_192-168-1-8", dpi=300, scan_mode=ScanMode.COLOR, depth=8, type=ScanType.SINGLE, paper_width=0, paper_height=0, brightness=0, contrast=0)
[+104.27s] DEBUG: scanner.vala:803: Processing request
[+105.25s] DEBUG: scanner.vala:864: sane_open ("pixma:MP495_192-168-1-8") -> SANE_STATUS_INVAL
[+105.25s] WARNING: scanner.vala:868: Unable to get open device: Invalid argument
[+105.35s] DEBUG: ui.vala:2124: Saving state to /home/user/.cache/simple-scan/state

any ideas? thanks.

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