Epson Stylus Pro 4450 - Paper Eject;Release Mechanism; Paper Mechanism Drive; Paper Eject Mechanism Drive Layout; Paper Eject Mechanism Drive Components

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Operating Principles Printer Mechanism Components 140
2.2.6 Paper Eject/Release Mechanism
This printer has a paper eject mechanism that switches eject according to the
paper feed device and media used and has a release mechanism that applies
pressure/release by the driven roller.
Operating principles of the eject mechanism and release mechanism are
described below.
2.2.6.1 Paper Eject Mechanism
PAPER MECHANISM DRIVE
Figure 2-38. Drive Transmission Path
Figure 2-39. Paper Eject Mechanism Drive Layout
Figure 2-40. Paper Eject Mechanism Drive Components
PG/PO Motor
Spur Gear, 16
Planetary Holder
(Spur Gear, 20,
Planetary )
Paper Eject Unit
(Paper Eject Frame Holder
(right))
Planetary Holder
(Spur Gear, 16,
Planetary )
Combination Gear, 36, 8.8
Spur Gear, 20
Combination Gear, 13.6, 20.8
Combination Gear, 11.2, 24
Spur Gear, 21.6, Release
Spur Gear, 33.6, B
Combination Gear, 19.2, 33.6
Spur Gear, 20
Spur Gear, 28
Eject Planetary Unit
(Spur Gear, 17.6,
planetary)
Spur Gear, 32.8
Eject Switch Lever, R
(Spur Gear, 44.8, Eject)
Transmission Frame Shaft
(Spur Gear, 16, Frame,
Transmission)
Switching Rib
(Spur Gear, 15.2)
Combination Gear, 24, 36
Eject Switch Lever, R
(Spur Gear, 44.8, Eject)
Switching Rib
(Spur Gear, 15.2)
Planetary Holder
(Spur Gear, 20,
Planetary )
Planetary Holder
(Spur Gear, 16,
Planetary )
Spur Gear, 20
Spur Gear, 16
PG/PO Motor
Combination
Gear, 13.6, 20.8
Combination
Gear, 11.2, 24
Spur Gear, 21.6,
Release
Paper Eject Unit
(Paper Eject Frame
Holder (right))
Spur gear, 32.8
Eject Planetary Unit
(Spur Gear, 17.6, Planetary)
Spur Gear, 28
Combination
Gear, 19.2, 33.6
Spur Gear, 33.6, B
Combination
Gear, 36, 8.8
Spur Gear, 20
Combination
Gear, 24, 36
Transmission Frame
Shaft (Spur Gear, 16,
Frame, Transmission)
Switching Rib
(Spur Gear, 15.2)
Spur Gear, 20
Spur Gear, 28
Spur Gear, 33.6, B
Combination Gear, 24, 36
Planetary Holder
(Spur Gear, 20,
Planetary )
Spur Gear, 16
PG/PO
Motor
Paper Eject Unit
(Paper Eject Frame
Holder (right))
Eject Switch Lever, R
(Spur Gear, 44.8, Eject)
Spur gear, 32.8
Eject Planetary Unit
(Spur Gear, 17.6, Planetary)
Combination
Gear, 19.2, 33.6
Transmission Frame
Shaft (Spur Gear, 16,
Frame, Transmission)
Planetary Holder
(Spur Gear, 16,
Planetary )
Combination
Gear, 36, 8.8
Spur Gear, 21.6,
Release
Combination
Gear, 13.6,
20.8
Spur Gear,
20
Combination
Gear, 11.2,
24