Duplex Printing - Epson AcuLaser C2600 Service Manual

EPSON AcuLaser C2600/2600

2.2.2 Duplex Printing

After the paper is ejected from the Fuser Unit, the Switch Back Motor of the Duplex
Unit rotates in reverse to transport the paper to the paper refeed path. Then the paper is
transported to the registration position by the Refeed Roller for skew correction, and
sent to secondary transfer section again.
DUPLEX UNIT
Drawer Connector
Connects the Duplex Unit electrically to the printer.
When the Duplex Unit is installed in the printer, the printer detects it by an Unit
installation detection signal (/DUP_SET).
Switch Back Motor
A stepping motor that rotates the rollers listed below in normal/reverse.
Refeed Roller
Post-Fixing Roller
Paper Eject Roller
Refeed Roller
Transports the paper fed to the refeed path to the registration position by the drive
force of the Switch Back Motor.
Operating Principle
Paper Eject Roller
Drawer Connector
Paper Feed Mechanism
Post-Fixing Roller
Refeed Roller
Figure 2-32. Duplex Printing Unit
Revision B
Switch Back
Motor
02003401
110