Develop QC 2235 Plus Service Manual page 169

QC 2235plus Theory of Operation Ver1.0 Mar. 2004
I Outline
1. Product specifications .......................................................................................... 1-1
1.1 Type ................................................................................................................... 1-1
1.2 Paper type ......................................................................................................... 1-1
1.3 Machine specifications....................................................................................... 1-1
1.4 Operating environment ...................................................................................... 1-1
II Composition/Operation
1. Overall composition.............................................................................................. 2-1
2. Center cross section ............................................................................................ 2-2
3. Drive system ........................................................................................................ 2-3
4. Mechanical operations ......................................................................................... 2-4
4.1 Switchback mechanism ..................................................................................... 2-4
4.1.1 Switchback operation.................................................................................... 2-4
4.1.2 Paper exit roller drive coupling mechanism .................................................. 2-4
4.1.3 Switchback Motor Control............................................................................. 2-4
4.2 Transport and duplex paper take-up mechanism............................................... 2-5
4.2.1 Transport and duplex paper take-up operation ............................................. 2-5
4.2.2 Duplex Unit Transport Motor Control ............................................................ 2-5
4.3 2-sided printing method ..................................................................................... 2-6
4.3.1 Operations in 2-sided printing with a single sheet of paper resident
in the system ................................................................................................ 2-6
4.3.2 Operations in 2-sided printing with two sheets of paper resident
in the system ................................................................................................ 2-8
CONTENTS
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