I have MacBook Air running 10.11.1. I downloaded new driver files: msd_mac_mg5400-19_0_0b-ea11(1).dmg; mcpd-mac-mg5400-11_7_1_0-ea27_2(1) and misd-mac-ijscanner3-4_0_0-ea19_2(1) -- all supposedly for El Capitan. I can print and copy fine, but the sca...
