6.2.7 Faculty tests
faculty tests are selected by pressing the 6 button from the test mode menu. These
tests test the following faculties of this fax.
Line signal reception test
a) Sensor tests
The sensor test is selected by pressing the 3 button from the faculty test menu.
test, you can check the status of each tensor of this fax in item 1 on the display.
You can also check if sensors that use actuators and microswitches are operating correctly
by moving the actuator or microswitch.
The sensor tests cannot be used to test all of the sensors. The following
Home position sensor, paper edge sensor, and ink detection sensor.
If any of these sensor are faulty, an error message or service error code will
appear to indicate the faulty sensor.
Test whether the sensors are operating correctly.
Tests whether the button switches on the control panel are
Tests whether the NCU board signal senior and frequency
counter are operating correctly.