Develop QC 2235 Plus Service Manual page 179

QC 2235plus Theory of Operation Ver.1.0 Mar. 2004
Operation 5
• While feeding the first 2-sided print out of itself, the main
unit carries out the first print cycle for the second sheet of
paper to produce the print image of the fourth page of the
original.
• Steps 2 through 5 are repeated.
• A4, 2 originals, 1 to 2 print mode
Synchronizing Roller
Sensor (PC28)
Exit Sensor (PC10)
Switchback Motor
(M1-DU)
Duplex Unit Transport
Motor (M2-DU)
Duplex Unit Transport
Sensor 2 (PC1-DU)
OFF
ON
OFF
ON
Forward Backward
Rotation
Rotation
ON
OFF
ON
OFF
ON
OFF
2-7
Mechanical operations
2
1
4
Forward
Rotation