Lexmark Optra C710 Service Manual page 55

5016-001
When the trailing edge of the paper passes through the reverse
sensor filler (S4], the motor rotates in the reverse direction
transporting the paper in reverse. The print is transported to the
timing roller in the printer through the rollers in the curved area, the
skew correction mechanism and the paper feed roller. The paper is
then fed through the transfer and fuser units in sync with the image
of the front page as it is transported onto the middle transfer unit.
When the leading edge of the paper reaches the paper exit sensor
[S0] in the printer, the upper unit motor starts rotating in the reverse
direction, switching the gate claw to the paper exit mode. The paper
then exits through the paper exit roller in the upper unit.
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