Canon imageRUNNER ADVANCE C2020, Service Handbook

Page: 224 / 292

SERVICE MODE
S-82
COPIER>FUNCTION
<PANEL>
Use it to check the operation of the control panel.
LCD-CHK
Use it to check the LCD for missing dots.
1) Select this item to highlight.
2) Press the OK key.
• The entire face of the LCD turns on in white for several seconds and then
in blue for several seconds. (This operation is repeated.)
• To stop, press the Stop key.
LED-CHK
Use it to start a check on the activation of the LEDs on the control panel.
1) Select the item to highlight.
2) Press the OK key.
• The LEDs on the control panel will turn on in sequence.
• To stop the operation, press <LED-OFF>.
LED-OFF
Use it to end a check on the activation of LEDs on the control panel.
1) Select this item to highlight.
2) Press the OK key.
• The LEDs on the control panel go off.
KEY-CHK
Use it to start a check on key inputs.
1) Select this item to highlight.
2) Press the key to check.
• The indication changes according to the key pressed (T00-500-01).
• To end this item and to move to the next item, <KEY-CHK> must be
pressed once again.