Errors - Konica Minolta bizhub 4020 Service Manual

4.6.5

140 errors

140 error messages
Error code Description
140.10 Transport motor halls not detected.
140.20 Transport motor took too long to stop.
140.30 Transport motor unable to lock (before motor
ID).
140.40 Transport motor overspeed detected.
140.60 Transport motor unable to lock (after motor
ID).
140.70 Transport motor out of lock detected.
140.80 Transport motor excessive PWM or overtemp.
Main drive gearbox service check
Action
Step 1
Remove the main drive gearbox and check for any debris.
Is it free of debris?
Step 2
Check the gears of main drive gearbox for wear or damage.
Are they free of wear or damage?
bizhub 4020/3320 Service Manual
- 125 -
Action
Go to Main drive gearbox service
Yes No
Go to step 2. Remove the debris.
Go to step 3. Replace the main drive
gearbox. See
gearbox
check.
Main drive
removal.