Engine Board Removal - Lexmark 11A4006 - Optra K 1220 B/W Laser Printer Service Manual

Engine Board Removal

1. Remove the right side cover.
2. Open the controller board door assembly.
3. Disconnect all connectors from the engine board, except for the
lower control board cable (connectors CNCA and CNCB).
4. Remove the two screws and disengage the hook on the left side
of the card.
5. Remove the engine board from the printer and disconnect the
lower control board cable (connectors CNCA and CNCB).
Installation Notes:
1. There is a connector on the back side of the engine board which
connects the interconnect board. When you install the engine
board, position it so the engine board connector faces the inter-
connect board connector.
2. The white connector with red and blue cables connects to the
white jumper (CNFI). The blue connector with red and black
cables connects to the blue jumper (CNF2).
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