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Maintenance
ZD420 Ribbon Cartridge Printers
1. Pull the two (2) Release Arms out to release the Ribbon Drive Transport. See
Accessing the Printhead of the Ribbon Cartridge Printer for more details.
2. Lift the Printhead Actuator Arm up to gain access to the printhead. Rub the cleaning
pen across the dark area of the printhead. Clean from the middle to the outside. This
will move adhesive transferred from the outer edges of media to the area outside of
media path.
3. Wait one minute before closing the printer.
4. Release the Printhead Actuator Arm and then push the Ribbon Drive Transport into
the Printhead Actuator Arm. The Release Arms will snap into place relinking the
Ribbon Drive Transport to the top cover and the Printhead Actuator Arm.