Lexmark 5056 - Manual (Page 39)

4-38 Service Manual
5056-XXX
Printhead controller board removal
1. Remove the top cover, and then remove the 20 printhead controller board connectors.
2. Remove the six screws from the printhead controller board and remove the board.
Note: When replacing the board, be sure to return the four EEPROMs on the former board to the same
positions on the new board.