Epson Stylus Pro 4800 Portrait Edition, Service Manual

Page: 141 / 506

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Operating Principles Printer Mechanism Components 141
TRANSMISSION OF DRIVE TO PAPER EJECT UNIT
1. The Planetary Lock Lever (along with the DE Lock Lever) is moved to the
right end by moving the Carriage Unit to the right end of the Carriage Shaft.
Figure 2-41. Switching Drive Transmission Path (1)
2. The PG/PO Motor rotates by the required step number in the
counterclockwise direction as seen from the Motor Pinion Gear side.
3. By rotation of the PG/PO Motor in the counterclockwise direction, the
Planetary Holder descends in the direction of the Combination Gear, 36,
8.8, and the Spur Gear, 16, of the Planetary Holder engages with the
Combination Gear, 36, 8.8.
4. The Planetary Lock Lever fixes the Planetary Holder in place when the
Carriage Unit moves the required step number to the left from the Carriage
Shaft right end.
Figure 2-42. Switching Drive Transmission Path (2)
5. When the drive transmission path is switched by Step 1 through Step 4,
drive power of PG/PO Motor is transferred to the Paper Eject Unit by the
path shown in
Figure 2-38 .
DE Lock Lever
1
2
Fixing Location