I bought a new UM3 extended and started having problems shortly after I started using it. The LCD screen splits, the left side of the screen is on the right side and vise  versa, and sometimes the top half of the screen is on the bottom and the bottom half is on the top. Then just after that the print head pauses for 15 seconds and oozes filament causing a blob on the print. It will keep doing that every so often until I cancel the print. I have been in touch with UM, at first they thought it mi