A purifying device and a process for deeply treating printing and dyeing wastewater are provided. If the print media in the tray is deemed unusual, based on types of media placed in the tray in the past, a human user near the printer is notified. The apparatus further includes a processor configured to determine a communication protocol of the packet based on the CRC field. A lid is couplable to the container and is positionable in a closed position to cover the opening and in an open position to expose the opening.