Roller Clear Mode; Video I/F Test - Canon iR2422 series Service Manual

Chapter 14
- Key test
Press the start key after the LED lamp test. The test succeeds if the characters appearing in the LCD are erased when the corresponding keys are pressed.
The flow of operation panel testing is shown below.
Key test correspondence diagram
Lamp test
This test checks to see if the scan lamp is on or not. Press the start key to turn on all scan lamps.

14.9.7 Roller Clear Mode

Divide to Printer and ADF two parts. Press 'OK' key execute clear function. Press 'STOP' can stop clear function.
Select the 'Printer' menu and start the cleaning of the transfer roller by idling. Select the 'ADF' menu and start the cleaning the ADF pickup/feed rollers by idling.

14.9.8 Video I/F Test

Not used.
14-14
Pan e l Te st
LCD test
All-LED illumination
LED lamp test
0 1 2 34 5 6 78 9 *#
H IJ K L M NO P Q R S T U V WX YZ
[C] [D] [E,F,G,H]
[O] [P] [Q] [R]
[K]
Press the OK key.
All-H character display
Press the start key.
All-black display
Press the start key.
Press the start key.
Press the keys associated with
C D EF G
characters on display to erase
the characters.
F-14-4
[I] [J] [0 to 9 and #]
[L] [M] [T] [W]
[S] [N] [*] [U] [V]
F-14-5
[X] [Y]
[Z]
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