Errors - Konica Minolta bizhub 4020 Service Manual

Action
Step 29
1. Upgrade the firmware if it was not upgraded in a previous
step.
Note: Contact your next level of support for the correct
firmware level to use.
2. POR the printer.
3. Send the printer a print job.
Does the error remain?
Step 30
1. Replace the faulty ISP option.
2. POR the printer.
Does the error remain?
Step 31
Contact your next level of support. You will need the following information:

Exact 900.xx error digits and complete error message

Printed menu settings page

Printed network settings page

Device error log

A sample print file if the error appears to be isolated to a single file

File/Application used if the error is related to specific print file

Device operating system

Driver used (PCL/PS)

Frequency of the occurrence of the error

4.6.11 912 errors

912 error messages
Error code Description
912.xx Unrecoverable Engine firmware error
POR the machine. If the error re-occurs, then
update the firmware. If the error remians, then
replace the controller board.
bizhub 4020/3320 Service Manual
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Yes No
Go to step 30. Go to step 26.
Go to step 31. Go to step 26.
Action
Go to Controller board removal.