Canon FAX-B820, Руководство по обслуживанию

Страница: 47 / 66

3.4.7 FACULTY (function) test
In the test mode menu, press numeric button ‘4’ and select the FACULTY test.
This checks the following functions.
Test Description
Control panel test Checks whether the control panel buttons are working properly.
Sensor test Checks whether the sensors are working properly.
a) Control panel test
From the FACULTY test menu, press numeric button ‘1’ and select the control panel test.
This test checks whether the display, LED and control panel buttons are working properly.
a-1) Display test
From OPERATIONAL PANEL menu, press the [Start/Copy] button, and the 16 letters of [H] are displayed in
the first line of LCD. Press the [Start/Copy] button again, and the 16 letters of [X] are displayed. If the
[Start/Copy] button is pressed once again, letters on LCD change to 16 black squares. Check if all LC dot are
displayed on LCD.
1-42