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Corrective Maintenance
Ribbon/Head Open Sensor Assembly
8/9/07 ZM400/ZM600 Maintenance Manual 14207L-001 A
5. See Figure 108. Check the gap on the ribbon/printhead open sensor and adjust as
necessary.
Figure 108 • Gap Measurement Between Print Mechanism and Sensor
6. Using a 1.25 mm (0.050 in.) feeler gauge, check the distance between the ribbon/head
open sensor assembly and the ribbon guide plate.
If the distance is incorrect, loosen the mounting screw for the ribbon/head open sensor and
adjust for the proper distance. Once this distance is achieved, tighten the mounting screw.
1
Printhead housing
2
Gap, 1.25 mm (0.050 in.)
3
Ribbon/Printhead open sensor
4
Mounting screw
5
Ribbon guide plate
1
2
3
4
5