What Zebra QLn220 settings do I need to set (and to what value[s]) to get a setting to “stick”?
问题 I am trying to programatically configure a Zebra QLn220 printer to set its "media.sense_mode" to either "bar" or "gap" (depending on what the user selects). The reliability of these commands working, though, seems very low (sometimes it works, sometimes it doesn't). To test the various possible commands, I used the Zebra Setup Utilities, with the PC plugged into the printer, of course. I sent this command from the util: ! U1 setvar "media.sense_mode" "gap" It worked; I know this, because