1. Put the printer up-side-down, loosen screws
to remove the power cover. Continue to
loosen the 4 screws which marked in yellow
to remove the bottom cover. (Figure C-1)
2. Disconnect all cables from MB then lift up
the whole printer module. (Figure C-2)
3. Use screwdriver to loosen the 2 screws
which marked in orange. Now, the main
board and bottom cover can be taken out
separately. (Figure C-3)
Warning:
Always turn off printer power before removal.
Caution:
When disconnect the power cord, please wait 10
seconds before removing any connectors from
the printer.