Datamax ?-class series Maintenance Manual page 59

Removal and Replacement
4. On the upper right corner of the Main PCB, open the Strain Relief on the Front Panel Cable by
pushing inward on the Catch.
5. Raise the Blue Cable Lock and remove the Front Panel Cable from its Connector.
Front Panel
Cable
Strain Relief
Catch
Connector
Blue Cable
Lock
Main PCB
4-7