SILENT SCREEN CAPTURE

https://sourceforge.net/projects/silent-screen-capture/

You can take screenshots from all of your monitors separately and silently by hitting “prt scr” key with this tool.

you can set options in ini file like below;

# log file path
LogPath=c:\sscapture\log
# screen shot folder
SSPath=c:\sscapture
# to disable logs
SaveLogOnExit=No
# to disable notification baloon
NotificationOnCapture=No