Sensor Check - Canon GP160DF Service Handbook

3.

Sensor check

Assessment of the status of the photo-interrupter is performed by the SENSOR test
in the TEST MODE. The procedure is as described below.
1) On the control panel, press the Entry/Setting key, then the # key to enter the service
mode.
2) Press the shift keys (up arrow, down arrow) to select TEST MODE.
3) Press 6 on the numeric keypad to select FACULTY TEST.
4) Press 3 on the numeric keypad to enter sensor check mode. The image below will
be displayed.
5) When the display shown in Figure 2-15 is displayed, push 1,2,3 and 4 on the numer-
ic keypad. The status of each sensor will be displayed. The following is an example
and explanation of what happens when you push 1 on the numeric keypad.
DS of DES of DOC A4
CRG on DCVS on
6) Move each sensor's flag and verify that the display shows of (OFF)/on (ON) repeat-
edly.
The following page shows the display and sensor name, and the status of each sen-
sor when the main unit is in stand-by when keys 1-4 of the numeric keypad are
pressed.
6-3 : SENSOR
[1] --- [7]
DS of means that the automatic document
feeder's (ADF) document sensor (DS) is off.
CHAPTER 2 STANDARDS AND ADJUSTMENTS
Figure 2-15
Sensor name
Sensor name
Figure 2-16
Sensor's present status
Sensor's present status
2-11