
135
Preventive and Corrective Maintenance
Printhead Upgrade Option
10/27/05 S4M Maintenance Manual 13291L-001 Rev. A
4. See Figure 43. Remove the six screws and one nut securing the main logic board to the
main frame of the printer.
5. Remove the two studs and washers securing the serial port connector to the back of the
printer.
Figure 43 • Remove the Main Logic Board
6. Remove the main logic board from the printer.
1
Main logic board nut
2
Main logic board mounting screws (6)
3
Main logic board
4
Lock washer (2)
5
Serial port mounting stud (2)
2
3
1
4
5
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