July, 2007
3-4
WorkCentre 5020
IQ3, IQ4
Initial Issue
Image Quality
IQ3 Low Image Density RAP
Overall low density of images.
Procedure
Check for dirt on the Platen Glass. The Platen Glass is clean.
YN
Clean any dirt on the Platen.
If unable to clean the dirt, replace the IIT Upper Cover (PL 10.2) (REP 10.2.1).
Check the drum ground contact. The drum ground contact is clean and not damaged.
YN
Clean the drum ground contact. If necessary, restore it to its proper shape.
Remove the Drum Cartridge (PL 4.1) (REP 4.1.1) and reinstall it properly. Turn the power OFF
then ON and make a print.
The problem recurs.
YN
Completed
Install a new Drum Cartridge (PL 4.1) (REP 4.1.1). Turn the power OFF then ON and make a
print.
The problem recurs.
YN
Completed
Print a page that is entirely black. During the print cycle, turn OFF the power after you hear the
paper feed (to force a stop during image transfer). Check the surface of the Drum.
There is a
considerable amount of toner left on the surface of the Drum.
YN
Replace the AIOC PWB (PL 8.1) (REP 8.1.1).
Replace the Transfer Corotron (PL 4.3) (REP 4.3.1), followed by the HVPS (PL 8.2) (REP
8.2.1), and finally the AIOC PWB (PL 8.1) (REP 8.1.1).
IQ4 Wrinkled Image RAP
The output is creased, folded or torn.
Procedure
Check the paper type. The paper used is within specifications.
YN
Use paper that is within specifications.
Use paper from a freshly opened packet. The problem recurs.
YN
Completed
Remove the Fuser (PL 5.1) (REP 5.1.1) and reinstall it properly. Turn the power OFF then ON
and make a print.
The problem recurs.
YN
Completed
Check for foreign substances and damaged components in the paper transport path. No for-
eign substances or damaged components are found in the paper transport path.
YN
Remove the foreign substances. Reshape or replace any damaged components.
Replace the Fuser (PL 5.1) (REP 5.1.1).
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