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Maintenance
Upper Half of ZD420 Thermal Transfer 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. Wipe the areas (outlined in orange) below the Printhead Actuator Arm and the Ribbon
Drive Transport.
3. 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.