Epson DFX-9000 Field Repair Guide
3/29/07
Troubleshooting
Printer Component,
Software Item,
LCD Display,
Printer Button
Page 145.
Sensors and Switches Test Points
SENSOR
POWER
RED LEAD
BLACK LEAD
ACTION
METER READING
APTCHP
(
AUTOMATIC
PAPER
THICKNESS
CONTROL
HOME
POSITION
SENSOR
)
ON
At
CNAPTCHPS
Place the red
lead on pin
2
.
At
CNAPTCHPS
Place the black
lead on pin
3
.
Disconnect the
APTC
MOTOR
from the
SENSOR BOARD
con-
nector
CNAPTC
.
Fully rotate the
GEAR
WHEEL
located to the
right of the
SS GEAR
WHEEL
clockwise and
then counterclockwise.
Toggles between 0 and
5VDC