For sale K2 combo printer with 4-color CFS device. You can connect 4 CFS devices to reach a total of 16 colors. In the box with all accessories. White Elegoo PLA+ 1K filament. PETG 1k filament. 100 hours of printing. Needs a new hotend. Sometimes it works 100% fine, and suddenly an error appears, then it disappears, and it starts working again. Reason for selling: I don't know how to handle it. 4000, negotiable, and we won't disagree with a serious buyer.