Paper Feed Assembly; Pf Rail - Epson Stylus Pro 9000 Service Manual

EPSON Stylus Pro 9000 Revision B

2.2.2 Paper Feed Assembly

Secondary Roller
Assembly
CR Guide

PF RAIL

Rail
Grid Roller
The main paper feed components are the CR Guide Rail, the grid roller
Assembly
assembly which is attached to the PF Rail, and the Secondary Roller Assembly
which attaches to the back of the CR Guide Rail and faces the grid roller
assembly. The grid roller assembly is made up of three equal lengths of rollers
Speed-
and their coupling.
Reduction
Gear
The PF Motor uses a DC Motor and is controlled by the software servo system
PF Rail
which receives a pulse from the built-in optical rotary encoder. The PF Roller
Platen
torque is transferred through the PF Roller shaft edge (left frame), and turns
the PF motor pinion gear and timing belt.
Subplaten
Paper
Paper Guide,
Lower
PF Motor
Figure 2-9. Paper Feed Path
Operating Principles Description of Components 40