I have found that the web client on KM devices can be confusing to use for users. If a users starts the scan with the "hard" (physical) button then is causes issues with honoring any setting that the user changes on the screen i.e changing resolution, doubled sided etc. The user must start the scan with the soft start button (circled in attached document) and it is not obvious that it is a start button.
If possible can the soft start button be moved on the screen, made bigger and changed from blue to green. It would also be useful to disable the hard button (if possible) so the user can only start the scan by using the soft button. I generally don't use the web client as it causes more issues for me in regards to user experience compared to the native client. I appreciate that the issues may be caused by limitations with the KM device Open API platform. It would be good if the web client could be tweaked as it does generally have a more modern look and feel.