Canon iR4570 Series Service Manual page 121

10) Connect the power supply unit to the power outlet, and check to see that LED1 [1] (green) on the PCB goes on.
11) Execute RAM initialization.
Set the bits of the DIP switch [1] (SW-2) on the PC as indicated in the table; then, press the push switch [2]. A
press on the push switch [2] (SW4) will causes LED5 [3] (red) to go on.
[1]
LED1 LED2 LED3
2
1
SW2
LED5
SW4
LED6
LED4
IC6
SW1
CN3
bits of SW2
SW2-1
SW2-2
SW2-3
SW2-4
SW2-5
SW2-6
SW2-7
SW2-8
6
BAT1
1
1
SW3
2
CN4
CN2
F-2-85
T-2-7
Setting
OFF
OFF
ON
ON
OFF
OFF
See step 9).
OFF
Chapter 2
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