13
3.5 Replacing the Main Board Assembly
1. Refer to
to remove the printer top cover (with keys control board).
2. Remove three screws on interior mechanism and disconnect all the connectors on the
main board assembly as indicated.
3. Remove one screw on main board as indicated.
4. Remove/Replace the main board assembly.
5. Reassemble the parts in the reverse procedures.
Screws
Screw
Keys Control Board
