Canon iR C6800 Series Service Manual page 107

17) Call the PC at the service station using the controller.
Press the push switch (SW4) [1] on the PCB.
A press on the push switch (SW4) [1] will cause LED6 (red) [2] to go on; at the end of the transmission, LED6 (red)
[2] goes off. (It will flash if the transmission fails.)
A press on the push switch (SW4) [1] while LED6 [2] is flashing will initiate transmission once again.
A press on the push switch (SW1) [3] while LED6 [2] is flashing will cancel the transmission.
LED1 LED2 LED3
2 6
BAT1
1 1
SW3
SW2
LED5
SW4
[1]
LED6
LED4
IC6
[2]
SW1
[3]
CN3 CN2
F-2-151
18) Check to see that the communication between the controller and its host machine is normal.
Connect the host machine's power plug, and turn on the power switch; then, check to see that LED2 (orange) [2]
flashes.
[2]
LED1 LED2 LED3
2 6
BAT1
1 1
SW3
SW2
LED5
SW4
LED6
LED4
IC6
SW1
CN3 CN2
F-2-152
19) Press the Start key on the host machine; then, check that LED3 (pink) flashes each time delivery is made.
[1]
LED1 LED2 LED3
2 6
BAT1
1 1
SW3
SW2
LED5
SW4
LED6
LED4
IC6
SW1
CN3 CN2
F-2-153
1
2
CN4
1
2
CN4
1
2
CN4
Chapter 2
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