Canon iR3570 Service Manual page 97

7) Shift bit 4 of the DIP switch [1] (SW2-4) found on the PCB of the controller to ON (so that the communication mode between the host machine and the controller
will be IPC).
8) If IC6 [1] is found on the PCB, shift bit 7 of the DIP swish [2] (SW2-7) to ON; otherwise, shift bit 7 of the DIP switch [2] (SW2-7) to OFF.
If IC6 [1] is not found, you need not mount any.
If you are mounting a ROM (IC6) [1] or replacing it for upgrading the connector, be sure to shift bit 7 of the DIP switch [2] (SW2-7) to ON.
9) Set the bits of the DIP switch [1] (SW3) on the PCB as indicated in the table.
F-2-93
[1]
LED1 LED2 LED3
2 6
BAT1
1 1
SW2 SW3
LED5
SW4
LED6
LED4
IC6
SW1
CN3 CN2
F-2-94
[2]
LED1 LED2 LED3
2 6
BAT1
1 1
1
SW2 SW3
LED5
SW4
LED6
2
LED4
IC6
CN4
[1]
SW1
CN3 CN2
F-2-95
[1]
1
2
CN4
Chapter 2
2-23