User Manual

Table Of Contents
Maintenance
247
Upper Half of ZD621/ZD421 Direct Thermal Printers
1. Wipe the areas (outlined in orange) to remove adhesive and other contaminants. Do not clean the
sensor array.
Upper Half of ZD621/420 Thermal Transfer Printers
1. Wipe the area (outlined in orange) near the printhead on the front of the ribbon carriage.
Don’t Clean Sensor