Canon PIXMA MX340 Simplified Service Manual page 18

< Button and LCD test >
Confirm the operation after replacement of the operation panel unit or logic board.
MX340:
1) Click Panel Check of the Service Tool on the connected computer. The LCD turns gray, waiting
for a button to be pressed.
2) Press each button of the operation panel.
The LCD is divided into segments, representing each button. The color of a segment
corresponding to the pressed button turns off. When all the 27 buttons are pressed, the entire
LCD turns off.
1: COPY button
2: FAX button
3: SCAN button
4: Black button
5: Color button
6: Left cursor button
7: Right cursor button
8: OK button
9: Back button
10: Menu button
3) Press the ON button. The printer returns to be ready for selection of another function.
MX350:
1) Click Panel Check of the Service Tool on the connected computer. The LCD turns blue, waiting
for a button to be pressed.
2) Press each button of the operation panel.
The LCD is divided into segments, representing each button. The color of a segment
corresponding to the pressed button changes to red.
1 2
20 21
19
18
17 30
16 15
1: COPY button
2: FAX button
3: SCAN button
4: CARD button
5: Setup button
6: Black button
7: Color button
8: Left cursor button
9: Right cursor button
10: Up cursor button
11: Settings button
12: Redial button
13: Coded Dial button
14: Hook button
15: FAX Quality button
16: 1
17: 2
18: 3
19: 4
20: 5
3 4 5
22 23 24
25
26
29 28 27
14 13 12
11: Down cursor button
12: OK cursor button
13: Back button
14: Redial button
15: Coded Dial button
16: Hook button
17: Left function button
18: Center function button
19: Right function button
20: 1
(17/37)
21: 6
22: 7
23: 8
24: 9
25: 0
26: *
27: #
6
7
8
9
10
11
21: 2
22: 3
23: 4
24: 5
25: 6
26: 7
27: 8
28: 9
29: 0
30: *
31: #