I had a problem with the Micro SD slot, the kind that’s push in to lock-push in to release, of my printer as it wouldn’t retain the card. Based on a search this seems a relatively common issue. I was sent a replacement motherboard but would like to prevent a recurrence of the problem. The adaptor I use to load a program onto the card relies on a friction fit and is not spring loaded, it plugs into a USB port. I can’t seem to find an adaptor that would lock into the printer and use only friction to retain the card. Anyone know of a source? I had an extension cable from Amazon and it wouldn’t lock in to the slot. If I can’t find an adaptor I guess I’ll try other extensions until one works.