Develop QC 2235 Plus Service Manual page 181

QC 2235plus Theory of Operation Ver.1.0 Mar. 2004
Operation 5
• While feeding the first 2-sided print out, main unit produces
the print image of the 6th page of the original on the third
sheet of paper.
• The second sheet of paper will wait in front of the Duplex
Unit Transport Roller 3 until the third sheet of paper has
been operated switch back sequence.
Operation 6
• Immediately before the first 1-sided print leaves the Paper
Exit Roller, the direction of rotation of the Paper Exit Roller is
reversed and the first 1-sided print for the third sheet is
transported toward and into the Duplex Unit.
• At the same time, the second sheet of paper is fed into the
main unit again.
Operation 7
• The main unit carries out the first print cycle for the second
sheet of paper to produce the print image of the third page
of the original.
• At the same time, the first 1-sided print for the third is trans-
ported through the Duplex Unit.
• At the same time, the forth sheet of paper is taken up and
fed into the main unit.
Operation 8
• While feeding the second 2-sided print out, main unit pro-
duces the print image of the 8th page of the original on the
fourth sheet of paper.
• The third sheet of paper will wait in front of the Duplex Unit
Transport Roller 3 until the fourth sheet of paper has been
operated switch back sequence.
• Steps 6 through 8 are repeated.
2-9
Mechanical operations
2
1
6
4
6
2
1
4
3
4
2
1
6
4
3
2
1
8
6