Canon NP6251 Service Manual page 502

3) Turn on the copier's main switch, and check that LED2 on the Copy Data Controller-
A1 flashes.
Make one copy, and check that LED3 flashes during copying operation.
4) If you are connecting a Remote Diagnostic Unit-A1 or a Copy Data Interface Board-
B1, i.e., if a Power Supply-A1 is necessary, go to step 5).
Turn on the copier's main switch, and check that LED1 turns on and LED2 flashes
on the Copy Data Controller-A1.
Make one copy, and check that LED3 flashes during copying operation.
COPYRIGHT © 1997 CANON INC.
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LED2 LED3
LED1 LED2 LED3
SW2
SW3
LED4 LED5 LED6
JC8
JC5
JC6
JC9
CPU
IPC
J5
6 1 6 1
SW1 ON SW5 ON
Fig. 9-512
LED1 LED2 LED3
LED1 LED2 LED3
SW2
SW3
LED4 LED5 LED6
JC8
JC5
JC6
JC9
CPU
IPC
J5
6 1 6 1
SW1 ON SW5 ON
Fig. 9-513
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 9 INSTALLATION
JA1
JB2
JA2
JB1
SW4
JA1
JB2
JA2
JB1
SW4
9-47