July, 2007
3-16
WorkCentre 5020
Initial Issue
Image Quality
Samples of Image Quality Defects
IOT Image Quality Defects
These are samples of image quality defects due to IOT problems and their corresponding solu-
tions.
• Auger Marks (Figure 1)
• Strobing (28mm or 14mm Pitch Density) (Figure 2)
• White Streaks (Process Direction) (Figure 3)
• Black Bands (Figure 4)
• Toner Contamination (Figure 5)
• Toner Splattering (Figure 6)
• White Spots (Irregular) (Figure 7)
• Regular Blanks in the Process Direction (Spots, Streaks, Bands etc.) (Figure 8)
• Regular Toner Contamination in the Process Direction (Spots, Streaks, Bands etc.) (Fig-
ure 9)
IIT Image Quality Defects
These are samples of image quality defects due to IIT problems and their corresponding solu-
tions.
• Moire Due to Interference with Copy Original
• Fluctuation in Background Suppression Values for Copies of Originals
• Defects Related to Scan Print
• Light Background Due to Background Suppression in Copies of Originals with Frames
(Figure 10)
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