Epson DFX-9000 - Sensors and Switches Test Points

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