Canon imageRUNNER ADVANCE C5051 Series Service Manual page 480

● Check■item ■
Item Check■item
(1) Check■
the■Main■
Controller■
1■LED■8■
activation
LED8
You■can■check■the■activation■of■LED8■(green)■through■the■fan■of■the■Main■Controller■1.
Check■
the■Main■
Controller■
2■LED■4■
activation
LED4
You■can■check■the■activation■of■LED■4■(orange)■through■the■hole■of■the■connector■for■Main■
Controller■2.
6
Troubleshooting■>■Startup■System■Failure■Diagnosis■>■Flow■C:■Main■Controller■Analysis■Flow■>■Status■Check
Location
LED8
LED4
6 Troubleshooting■>■Startup■System■Failure■Diagnosis■>■Flow■C:■Main■Controller■Analysis■Flow■>■Status■Check
Item Check■item
(2) Remove■
the■Main■
Controller■2
Main Controller PCB1
(3) Display■of■
E-code
6-26
Location
Main Controller PCB2
T-6-13
6-26