TSC PRINTRONIX AUTO ID Alpha-3R Series - Replacing the Keys Control Board

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3.2 Replacing the Keys Control Board
1. Refer to section 3.1 to remove the printer top cover.
2. Remove two screws on the keys control board.
3. Loosen the connector lock then disconnect the flat cable from the keys control board. Remove/Replace the keys control board.
4. Reassemble the parts in the reverse procedures.