Zebra Technologies R402 - Manual (Page 48)

Replacing the Print Head
In the event you need to replace the print
head, make sure your work area is
prepared by protecting against static
discharge. Your work area must be
static-safe and include a properly
grounded conductive cushioned mat to
hold the printer a conductive wrist strap
for yourself.
Removal
Before following the steps in this
procedure, open the printer by pulling the
release latches forward then lifting the top
cover. Remove any ribbon from the
carriage.
1. Grasp the print head spring and pull it
to the left; then, slide it free of the
carriage.
2. Use the spring to pry the print head
clip off the right side of the carriage.
3. Pull the print head and bracket
forward.
4. Use a #2 Phillips driver to remove the
screw that holds the ground wire.
5. Unplug both bundles of print head
wires from their connectors.