Errors - Konica Minolta bizhub 4020 Service Manual

Action
Step 4
Check the cable JTDS for damage and pinch points.
Is it free of damage?
4.6.4

133 errors

133 error messages
Error code Description
133.05 CTLS reading above maximum expected
value.
133.06 CTLS reading below minimum expected
value.
133.08 Excessive CTLS noise.
CTLS service check
Action
Step 1
Check for loose toner blocking the CTLS.
Is it free of any loose toner?
Step 2

Check the cable PCN3 for proper connection to the power
supply.

Check the CTLS cable for proper connection to the
controller board.
Are they properly connected?
Step 3
Check the cable PCN3 and CTLS cable for damage.
Are they free of damage?
bizhub 4020/3320 Service Manual
Yes
Replace the controller
board. See
board
- 124 -
Controller
removal.
Action
Go to CTLS service
Go to CTLS service
Go to CTLS service
Yes
Go to step 2.
Go to step 3.
Replace the controller
board. See Controller
board removal.
No
Replace the toner
density sensor. See
Toner density sensor
removal.
check.
check.
check.
No
Clean the CTLS.
Reseat the cables.
Replace the printer.