Lexmark C734 Service Manual page 290

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3.
Fasten the 5 V interlock cable into the cable retainer (C) on the bottom of the EP drive.
4.
Align the gear so the first gear tooth (D) of the top cover camshaft meshes with the first two gear teeth (E)
after the flat area in the EP drive actuator rack, and then seat the right side of the top cover camshaft into
the boss (F) on the EP drive.
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Service Manual
Flat area
(gap)
F
D
E