Errors - Konica Minolta bizhub 4020 Service Manual

Action
Step 2
Check the pick/lift motor gearbox for the following:

Gear tooth breakage

Freedom of rotation
Is it free of wear or damage?
Step 3
Check the cable JLIFT1 on the controller board.
Is it properly connected and free of damage?
Step 4
Replace the controller board.
Does this fix the problem?
4.6.7

155 errors

155 error messages
Error code Description
155.00 No encoder received from auger motor.
bizhub 4020/3320 Service Manual
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Yes
Go to step 3.
Go to step 4.
The problem is
solved.
Action
Go to Cartridge gearbox service
No
Replace the pick/lift
motor gearbox. See
Pick/lift motor gearbox
removal.
Replace the pick/lift
motor gearbox. See
Pick/lift motor gearbox
removal.
Contact the next level of
support.
check.