For sale: K2 combo printer with 4-color CFS device. You can connect 4 CFS devices to reach a total of 16 colors. Comes in the box with all accessories. Filament: White Elegoo PLA+ 1K Filament: PETG 1K 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 normally again. Reason for selling: I don't know how to handle it. 3500, negotiable. Serious buyers won't be disappointed.