Transmission Of Drive To Asf Unit - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C

TRANSMISSION OF DRIVE TO ASF UNIT

1. The DE Lock Lever is moved to the right end by moving the Carriage Unit
to the right end of the Carriage Shaft.
1
DE Lock Lever
2
Figure 2-35. Switching Drive Transmission Path (1)
2. The ASF/Pump Motor rotates by the required step number in the
counterclockwise direction as seen from the Motor Pinion Gear side.
3. By rotation of the ASF/Pump Motor in the counterclockwise direction, the
Planetary Lever inside the DE mechanism raises in the direction of the
Combination Gear, 12, 22.4, and the Spur Gear, 15.2, of the Planetary
Lever engages with the Combination Gear, 12, 22.4.
Operating Principles
4. The DE Lock Lever fixes the Planetary Lever in place when the Carriage
Unit moves the required step number to the left from the Carriage Shaft
right.
Figure 2-36. Switching Drive Transmission Path (2)
5. When the drive transmission path is switched by Step 1 through Step 4,
drive power of ASF/Pump Motor is transferred to the ASF Unit by the path
shown in
Printer Mechanism Components
Figure 2-32.
Revision C
Fixing Location
136