Eprom Removal - Lexmark Medley 4012-009 Service Manual

4012-0XX

EPROM Removal

1. Unplug the machine before beginning any electrical service. The
power key does not remove power from the electronics.
2. Remove the top cover.
3. Disconnect the printhead cables from the printer board.
4. Disconnect connectors J4, J5, and J6 from the printer board.
5. Disconnect the scanner motor connector J3 from the fax board.
6. Release the latches at the right-front and right-rear legs of the
frame, then lift and pivot the frame 90 ° to the left into the service
position.
7. Gently pry the EPROM from the board.
8. To install the EPROM:
a. Ensure the orientation notch is to the right for the fax board or
to the front for the printer board. Refer to:
Point Locations" on page
b. Ensure that each module pin aligns with each socket, so
there are no bent pins.
c. Apply even pressure on the top of the module until it is seated
against the socket.
49.
Repair Information
"Parts and Test
36