Konica Minolta Bizhub 4700P Service Manual page 115

Action
Step 3
Check all the cables connected to the controller board for
proper connectivity.
Are the cables properly connected?
Step 4
1. Properly connect the cables to the controller board.
2. POR the printer into the Diagnostics menu.
Does the error remain during startup?
Step 5
1. Replace the controller board.
2. POR the printer.
Does the error remain during startup?
Note: If an error different from the original 900.xx is
displayed, consult the service check for that error.
Step 6
Print the following:

Error log

Menu settings page

Network settings page
Does the error remain while these pages were printing?
bizhub 4700P/bizhub 4000P Service Manual
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Yes
Go to step 5.
Go to step 5.
Go to step 21.
Go to step 21.
No
Go to step 4.
Go to step 6.
The problem is solved.
Go to step 7.