Artel PCS2 Pipette Calibration System with Seiko DPU-414 Thermal Printer.Unit powers on and passes basic startup but displays: Error – 16: Filter Wheel Error on the LCD screen. Sold AS-IS for parts or repair. No further testing performed. Includes printer cables and 2 power adapters (see photos) In good cosmetic condition. Please see all pictures for more details and let us know if you have any questions or would like more information.