Canon LASER CLASS 730i Service Manual page 164

LASER CLASS 730i/720i/710 Chapter 4: Maintenance and Service
c) Operation panel tests
The operation panel test is selected by pressing the numeric button 7 from the faculty test
menu. In this test, check that the display, LED lamps, buttons and the sensors of one-touch
speed dialing panel on the operation panel are operating correctly.
c-1) Display test
Pressing the Start button from the operation panel menu, "H" is displayed 20 characters by
2 lines. The next time the Start button is pressed, all the LCD dots are displayed. Check
for any LCD dots in the display that are not displayed.
c-2) LED lamp test
The LED lamp test is selected by pressing the Start button after the display test.
When the Start button is pressed, all the lamps on the operation panel light. Check for any
LED that does not blink during the test.
c-3) Operation button test
The Operation button test is selected by pressing the Start button after the LED lamp test.
In this test, you press the button corresponding to the displayed character to put it out. The
table giving the correspondence between the characters and the buttons is below. When
the LEDs for the character for the Resolution button, the Contrast button, or the Document
Type button are all lit up, the display goes out.
Character Operation button
0-# Numeric buttons
A Coded dial button
B Redial/Pause button
C Hook button
D Copy button
E Energy Saver button
F Clear button
G Start button
H Stop button
I Monitor button
J Delete File button
K Directory button
Character
L
M
N
O
P
Q
R
S
T
U
V
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Operation button
Left cursor button
Down cursor button
Right cursor button
Up cursor button
Set button
Fax/I-Fax button
Resolution button
Contrast button
Document type button
Direct Tx button
Counter Check button