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Maintenance
Replacing the Printhead
1/13/2016 ZD420 User’s Guide 212485-001 Rev. A
Replacing the Printhead
If you need to replace the printhead, read the procedure and review the removal and installation
steps before actually replacing the printhead.
Before following the steps in this procedure, open the printer by pulling the release latches
forward then lifting the top cover.
Printhead Removal
1. Turn the printer OFF. Open the printer.
2. Pull the two (2) Release Arms out to release the Ribbon Drive Transport. The arms are
located on the left and right sides of the printer. The Ribbon Drive Transport and Printhead
Actuator Arm will now be loose.
Caution • Prepare your work area by protecting against static discharge. Your work area
must be static-safe and include a properly grounded conductive cushioned mat to hold
the printer and a conductive wrist strap for yourself.
Caution • Turn the printer power off and unplug the power cord before replacing the
printhead.
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