Canon iR1600 Series, Service Manual

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CHAPTER 13 TROUBLESHOOTING
COPYRIGHT© 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002
13-156
b. Control Panel Test for a Non-Fax Model
• Display Test
A press on the Start key in the OPERATION PANEL test menu selects the display test,
in which the notation 'ADJUST LCD CONTRAST' is indicated on the display. Another
press on the Start key will cause the display to turn full black and full white and then to
show the outside frame and a checker.
• LED Lamp Test
When the Start key is pressed after the display test, the LED lamp test will be selected.
A press on the Start key will turn off all lamps in the control panel.
• Control Key Test
When the Start key is pressed following the LED lamp test, the key test will be se-
lected. The operation is normal if the corresponding characters go off when keys are
pressed on the display. When a one-touch dial key is pressed, its corresponding character
will go off on the display.
Correspondence Between the Characters and the Keys in the LED Lamp Test
Character
0 ~ 9, #, *
B
C
D
E
F
G
I
J
K
L
M
Operation key
Keypad
Sort key
Reduce key
Page separate key
Special features key
Enlarge key
Frame erase key
Copy key
Fax key
System key
Monitor key
F1 key
Character
N
O
P
Q
R
S
T
U
V
W
X
Y
Operation key
F2 key
F3 key
F4 key
Back key
OK key
Reset key
Additional functions key
Interrupt key
Clear key
ID key
Energy save key
Counter key