Model Compatibility: Fits ZD620 label printers as specified in the title.
Match: Replaces 213342-004 Rev A exactly as stated.
Function: Restores the serial/ethernet ports back cover functionality for ZD620 devices.
Design Specification: Matches the physical configuration and mounting of the back cover for serial/ethernet ports.
Installation Purpose: Enables reinstallation of the back cover to maintain standard ZD620 port access and enclosure integrity.