Transport Control; Duplex Unit Transport Motor Control; 2-Sided Printing Method - Konica Minolta bizhub c450 Service Manual

5. Operation
5.2

Transport Control

5.2.1

Duplex Unit Transport Motor Control

• Rotation of the Duplex Unit Transport Motor is controlled by the signals output from the
Duplex Control Board.
5.2.2

2-sided printing method

• The following two types of 2-sided printing methods are available.
2-Sided Printing Methods
A. Operations in 2-sided printing with a single sheet of paper resident in the system
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.
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.
Operation 3
• The 1-sided print moves through the Duplex Unit and is
directly subject to the second print cycle without being
stopped.
6
Theory of Operation Ver. 1.0 Mar. 2005
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)
Paper Exit Roller
2
4657M521AA
2
4657M522AA
2
4657M523AA