Mechanisms; Basic Structure; Mechanisms Of Switchback Units A And B - Riso ComColor X1 series Technical Manual

Switchback Section

1. Mechanisms

1-1. Basic Structure

The switchback section, which handles paper feeding in duplex printing, is comprised of
Switchback Unit B
Switchback Unit A
switchback units A and B.

1-2. Mechanisms of Switchback Units A and B

The switchback unit incorporates the switchback motor, re-feed motor, upper transfer OUT sensor, upper transfer
roller 6, re-feed roller, switchback sensor, and re-feed sensor.
In duplex printing, the transfer direction of paper received face down is switched, and paper is transferred to the
registration roller unit.
Overall Unit Structure
Switchback roller
Switchback section
External paper feed roller
Paper path
(red arrow)
Re-feed roller
Switchback sensor
Upper transfer OUT sensor
Upper transfer
Re-feed roller roller 6
Re-feed sensor
Top edge sensor 1
Registration sensor
Registration roller
Switchback
roller
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ComColor Series (Revision 2.4)