i need to reconfigure my scanner; is a Brother MFC-5890CN printer, scanner, fax. machine; it had always work in previous versions of deepin, but it did not on 15.5 so after searching i found that for the printer all i need it was the " ap2s " filter , so the printer is working, but for the scanner i need to do more testing with SANE , my problem is that the command " sane-find-scanner " is not found in the terminal, so before i start guessing which packeges to add from synaptic , i was wondering if someone my have some ideas that can help me