BUS Updated 12/2011
07/2011
3-29
WorkCentre 5335 Family Service Documentation
Auger Mark
Image Quality
Initial Issue
Image Defect Samples
IOT
The following figures contain examples of defects and their possible causes.
•
Auger Mark
•
Strobing (28mm or 14mm Pitch Density)
•
White Streaks (Process Direction)
•
Black Bands
•
Toner Contamination
•
Toner Splattering
•
White Spots (Irregular)
•
Transparency Offset (80mm Pitch Ghosts)
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Regular Blanks In Process Direction (Spots, Streaks, Bands etc.)
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Regular Toner Contamination In Process Direction (Spots, Streaks, Bands etc.)
•
Regular Toner Contamination In Process Direction (Side 2)
•
Transparency Blocking
IIT
The following figures contain examples of defects and their possible causes.
•
Moire Due To Interference With Copy Original
•
Light Background Due To Auto Exposure In Copies Of Originals With Frames
•
Fluctuation In Auto Exposure Values For Copies Of Originals Of Medium Density
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Gradation Jump In Text & Photo Mode For 100 lpi Photo Originals
•
CVT (Constant Velocity Transport) Scan Streaks
•
Defects Related To Scan Print
•
Moire In Text Mode (Fine) B/W Scan/Fax For 133 lpi Originals
•
Black Discoloration Around White Texts In Medium Density Background
Auger Mark
Figure 1 Auger Mark Defect Sample
Cause
1.
The Developer Magnetic Roll magnetic field failed.
2.
There was a drop in the level of developer material.
Corrective Action
1.
Replace the Xerographic Cartridge (
PL 8.1
).
NOTE: This may occur immediately after a new CRU is installed. -> Correct by feeding a
few sheets of paper.