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Install Hardware Options
Printer Connectivity Modules
1/13/2016 ZD420 User’s Guide 212485-001 Rev. A
Printer Connectivity Modules
The connectivity modules can be easily installed without tools.
Update Printer Firmware to Finish Option Installations
It is recommended that you always update the printer’s firmware with the latest version for
optimal printer operation. For instructions on how to update printer firmware, see Updating
Printer Firmware on page 92. This is located on the Zebra Web site at:
http://www.zebra.com/support
Accessing the Connectivity Module Slot
1. Open the module access door by pushing down on the top of the door with your finger tip. This
releases the latch. Pull the door away and down to remove.
Caution • The discharge of electrostatic energy that accumulates on the surface of the
human body or other surfaces can damage or destroy the printhead or electronic
components used in this device. You must observe static-safe procedures when working
with the printhead or the electronic components.