Oki LP-1040 Maintenance Manual page 699

(5) Post-Rotation
(a) Operation period
From the time the transfer is complete until the process motor stops.
(b) Purpose
Remnant toner and any remnant charge left on the drum is removed and the paper is
output.
(c) Action
After the image is transferred to the paper, the drum rotates approximately one time to
stabilize the surface.
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