Develop QC 2235 Plus, Service Manual

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Mechanical operations QC 2235plus Theory of Operation Ver.1.0 Mar. 2004
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4.3 2-sided printing method
• The following two types of 2-sided printing methods are available.
4.3.1 Operations in 2-sided printing with a single sheet of paper resident in the
system
2-Sided Printing Methods
2-sided printing with a single sheet of paper resident in the
system
2-sided printing with two sheets of paper resident in the
system (FD length 215.9 mm or less)
2
Operation 1
• 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
Operation 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
Operation 3
• The 1-sided print moves through the Duplex Unit and is
directly subject to the second print cycle without being
stopped.
2
Operation 4
• 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.
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