A:AnswerIt does not and neither does the GX7021, which is the one I have. I don't think any of the Maxify GX models have borderless printing. https://community.usa.canon.com/t5/Office-Printers/MAXIFY-GX3020-amp-GX4020-borderless-printing/m-p/403681
A:AnswerThe ADF is single sided, however after is scans one side, it will prompt you to take the pages out of the ADF and put them back in the same way they exited the ADF so it is essentially a duplex scanner with just one simple manual step in between sides.