Adf Paper Jam Service Check - Konica Minolta bizhub 4020 Service Manual

Error code Description
283.05 1st Scan Sensor Jam—TE never clears 1st Scan
Sensor.
286.02 ADF Backfeed—Page(s) in the exit area
accidentally gets pulled into the reverse path.
286.03 ADF Backside Feed Jam—LE does not reach the
multi-purpose Interval Sensor in time when page
routed through reverse area.
286.05 ADF Backside Jam—TE does not reach the multi-
purpose Interval Sensor in time when page routed
through reverse area.

ADF paper jam service check

Note: This service check should be used if the paper feeds and jams in the ADF. If the paper is not
feeding into the ADF, then see
Actions
Step 1
Retry the job.
Does the error remain?
Step 2
Check the paper path for media fragments and debris.
Is the paper path free from obstructions?
Step 3
Is paper failing to feed into the ADF?
Step 4
Check the leading edge of the paper to ensure the paper is
not curled or bent in a way that would keep it from
contacting the paper present sensor actuator.
Also, check to see if the paper is moist or heavy.
Is the paper damaged or out of specification?
Step 5
Perform the ADF pick motor and ADF feed motor tests.
See Scanner tests.
Are the motors working properly?
bizhub 4020/3320 Service Manual
ADF feed errors service
- 92 -
Action
Go to ADF paper jam service
Too many sheets of paper in the ADF exit bin.
Remove the sheets from the ADF exit bin.
Go to ADF paper jam service
Go to ADF paper jam service
check.
Yes
Go to step 2.
Go to step 3.
Go to ADF feed errors
service check.
Retry the job using
different media.
If the error persists, then
go to step 5.
Go to step 6.
check.
check.
check.
No
The problem is solved.
Remove all obstructions
along the paper path and
retry the job.
If the error persists, then
go to step 3.
Go to step 4.
Go to step 5.
Go to step 10.