Canon MF3110 - ImageCLASS Laser Multifunction Service Manual page 166

Chapter 5 Running H/F 5
5.6.4.4.3 Operation panel tests
The operation panel test is selected by pressing the numeric key 7 from the faculty test menu.
In this test, check that the display, LED lamps and keys on the operation panel are operating correctly.
Display test
Pressing the Start key from the operation panel menu, "H" is displayed 20 characters by 2 lines. The next time
the Start key is pressed, all the LCD dots are displayed. Check for any LCD dots in the display that are not
displayed.
LED lamp test
All the lamps on the operation panel light by pressing the Start key after the display test. Check for any LED
that does not blink during the test. (However, the Energy Saver key does not go on at this time.)
Operation key Test
The operation key test is selected with the Start key after the LED lamp test is done. In this test, a character
disappears when its operation key is pressed. The list of characters and their operation keys is as follows.
Check to make sure at this time that all characters properly disappear when their operation keys are pressed.
Character
0 9,*,#
A
B
C
D
E
D
5-20
Operation key
Numeric key
Cursor key (+)
Cursor key ( )
OK key
Menu key
Status Monitor key
Collate/2on1 key
T-5-7
Character Operation key
F Image Quality key
G Enlarge/Reduce key
H Exposure key
I COPY key
J SCAN key
Q Energy Saver key
0007-6702