Theory of Operation
Phaser® 6120 Color Laser Printer Service Manual
9-24
Operations in 2-sided Printing with a Single Sheet of Paper Resident in the System
■ Steps 2 through 5 are repeated.
2
■ The first sheet of paper is taken up and fed in
from the main unit drawer and the main unit
starts the first print cycle to produce the print
image of the second page of the original.
Paper Exit
Roller
2
■ Immediately before the 1-sided print leaves
the Paper Exit Roller, the direction of
rotation of the Paper Exit Roller is reversed
and the 1-sided print is transported toward
and into the Duplex Unit.
2
■ The paper conveyed through the Duplex
Unit is temporarily stopped at the Duplex
take-up position.
■ Any skew in the paper is corrected at the
Duplex Unit Timing Roller before the paper
is taken up and fed by the Duplex Unit.
1 2
■ The main unit carries out the second print
cycle to produce the print image of the first
page of the original on the other side of the
1-sided print.
1
2
4
■ While feeding the first 2-sided print out of
itself, the main unit carries out the first print
cycle for the second sheet of paper to
produce the print image of the fourth page of
the original.
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General
Weight and Dimensions
