2.Image Quality Problems
637
Stained Background
Random "powdered" dots appear, creating a dirty background. The background may be partially or
completely stained.
Completely stained background
Partially stained background
Cause:
This may occur due to deterioration of developer, the drum unit, or the drum charge unit.
Solution:
1. If a message prompting replacement of a unit is displayed, replace the unit.
2. On the Adjustment Settings for Skilled Operators menu, select Machine: Image Density > Adjust
Image Density. Execute Image Density Adjustment: Manual Execute. (SP3-011-002: Manual
ProCon :Ex Density Adjustment)
3. Print the image. Is the problem resolved?
On the Adjustment Settings for Skilled Operators menu, select Machine: Maintenance, and
execute Process Initial Setting. (SP3-020-001: Process Setup :Ex Execute: ALL)
4. If the problem persists, consult the product specialist.
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