Canon LASER CLASS 730i Service Manual page 268

LASER CLASS 730i/720i/710 Chapter 5: Appendix
(4) Fit the upper left of the NCU board on the hook, and secure it in place with two
screws.
(5) Connect the flat cable to the connector J1, and connect the 6-pin cable to the connector
J2; then, secure them with a clamp.
Hook
NUC board
Figure 5-68 Dual-line Upgrade Kit III Installation 3
(6) Secure the modular board using a tap screw; then, connect the cable to the connector
J10 of the NCU board.
Figure 5-69 Dual-line Upgrade Kit III Installation 4
Connector J1 Connector J2
Connector J10
Tap screw
5-60
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Clamp
Screws
Mojular board