08/2012
3-9
WorkCentre 5021/5019
IQ9
Image Quality
Initial Issue
IQ9 Process Direction Bands,Streaks,and Smears RAP
Black lines or blank areas running along the paper in vertical direction.
Procedure
Check the IIT Carriage Mirrors for scratches and contamination. There are no scratches or
contamination on the mirrors.
YN
Clean the mirrors. If it is very dirty or scratched, replace the IIT Carriage (PL 1.3) (REP
1.3.2).
Remove the Drum Cartridge (PL 8.1) (REP 8.1.1) and reinstall it. Turn the power OFF then ON
and print. The problem reoccurs.
YN
End
Install the new Drum Cartridge (PL 8.1) (REP 8.1.1) securely. Turn the power OFF then ON
and print. The problem reoccurs.
YN
End
Check the surface of the BTR for contamination and distortion. The surface of the BTR is
clean and there is no distortion.
YN
Clean the BTR. If there is distortion, replace the BTR Roll (PL 6.1) (REP 4.1.1).
Check for contamination in the paper transport path. The paper transport path is clean.
YN
Clean away the contamination.
Check the mirror at the IIT Carriage. The mirror is clean and there is no distortion.
YN
Clean the mirror. If there is distortion, replace the mirror.
Remove the Fusing Unit (PL 7.1) (REP 7.1.1) and check the surface of the Heat Roll for con-
tamination. The surface of the Heat Roll is clean.
YN
Clean away the contamination. If there is difficulty in removing the contamination, replace
the Fusing Unit (PL 7.1) (REP 7.1.1).
Check the surface of the BTR for contamination and distortion. The surface of the BTR is
clean and there is no distortion.
YN
Clean the BTR. If there is distortion, replace the BTR Roll (PL 6.1) (REP 4.1.1).
Check the mirror at the IIT Carriage. The mirror is clean and there is no distortion.
YN
Clean the mirror. If there is distortion, replace the mirror.
Check the ROS Window for scratches and contamination. The ROS Window is clean and
there are no scratches.
YN
Clean the ROS Window. If there are scratches, replace the ROS Window.
Replace the ROS Assembly (PL 2.1) (REP 2.1.1) and the ESS/MCU PWB (PL 18.1) (REP
18.1.1).
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