Develop QC 2235 Plus Service Manual page 127

QC 2235plus Theory of Operation Ver1.0 Mar. 2004
I Outline
1. Product specification ............................................................................................ 1-1
1.1 Type ................................................................................................................... 1-1
1.2 Functions ........................................................................................................... 1-1
1.3 Paper type ......................................................................................................... 1-1
1.4 Machine specifications....................................................................................... 1-2
1.5 Operating environment ...................................................................................... 1-2
2. Mixed original feed ............................................................................................... 1-2
2.1 Mixed original feed chart.................................................................................... 1-2
2.2 Paper feed prohibited originals .......................................................................... 1-3
2.3 Paper feed not guaranteed originals.................................................................. 1-3
II Composition/Operation
1. Overall composition.............................................................................................. 2-1
2. Drive system ........................................................................................................ 2-2
3. Paper path............................................................................................................ 2-3
4. Mechanical operations ......................................................................................... 2-4
4.1 Document pick-up mechanism .......................................................................... 2-4
4.2 Document take-up/transport mechanism........................................................... 2-5
4.3 Document exit mechanism ................................................................................ 2-7
4.3.1 Single-sided document mode ....................................................................... 2-7
4.3.2 Double-sided document mode...................................................................... 2-7
4.3.3 Exit operation flow ........................................................................................ 2-8
4.4 Turnover mechanism (two-sided mode)............................................................. 2-9
4.5 Raised/lowered position detecting mechanism................................................ 2-10
4.5.1 Document size detection ............................................................................ 2-10
4.5.2 Raised/lowered position detection .............................................................. 2-10
CONTENTS
i