Image Defect Samples; Auger Mark - Xerox WorkCentre 5222 Service Manual

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)
• Regular Blanks In Process Direction (Spots, Streaks,
Bands etc.)
• 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
• 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 Den-
sity Background
Launch Version
WorkCentre 5225, 5230
Auger Mark
Figure 1 Auger Mark Defect Sample (j0st3217)
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 Xero/Developer Cartridge.
NOTE: This may occur immediately after a new CRU is installed. -> Correct by feeding a few sheets of paper.
February, 2008
3-23
Image Quality
Auger Mark