TSC PRINTRONIX AUTO ID Alpha-3R Series - Replacing the Main Board Assembly

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3.5 Replacing the Main Board Assembly
1. Refer to section 3.2 to section 3.4 to remove key control board, Bluetooth control board (option), and the media holder assembly.
2. Remove two screws from the back of interior mechanism and disconnect all the connectors on the main board assembly.
3. Reassemble the parts in the reverse procedures.