Cassette Feed - Epson EPL-9000 Service Manual

Operating Principle

2.1.2.1 Cassette Feed

This printer can use three types of paper cassette:
optional envelope cassette. Figure 2-14 shows the paper cassette and feeder assembly.
Feed
Roller
\
/
Turn Roller
Figure 2-14. Paper Cassette and Feeder Assembly
conditions are detected by the paper-out sensor, located on the FEEDER
paper is in the paper cassette, the
paper supply runs out, the paper-out actuator is lowered, causing the shutter to interrupt light
from the LED to the photMransistor.
driver board (MCU
The paper cassette of this printer has paper guide plate and paper size detecting cam.
guide of this cassette
paper size switch. The paper size detecting cam is rotated by moving the paper guide plate (rear).
The paper size switch has four small mechanical switches. The rotating position of paper size
detecting cam is detected by these four switches on/off.
Feeder Board
2-8
Paper Cassette
Actuator
Feed
Turn
actuator
causes the signal to go
that the paper cassette is empty.
move to fit several size papers. 'This printer detects paper size by the
Paper Switch
Figure 2-15. Paper Size Detecting
universal cassette, A4 universal cassette, and
the sensor is lifted. When the
Cam
Paper Cassette
Size Spring
Service
Paper Guide
pring
While
informing the engine
paper
. . .