Black Spots / White Spots
When Spots (Black Spots / White Spots) Occur
Noise in the shape of white spots or black spots may occur during printing.
Solution
First, check the following items.
Item | Solution |
|---|---|
Insufficient toner level | |
Is the toner in the proper condition? | Toner Refresh: [Execute Adjust Operation] |
Are the image quality related settings correct? |
The system features functions for helping control the occurrence of spots (black and white spots) if they do appear. Use the following function if the above suggestions do not resolve the situation. For details about the various adjustment items, refer to the reference page.
For details about [Simple Setting], refer to Glossary of Terms.
Main improved phenomena | Solution / Reference |
|---|---|
Spots (either black or white) occur | Perform the adjustment at the following the steps. 1. [Density Balance Auto. Adjustment] (When Mounted With Intelligent Quality Care Unit IQ-501) |
Multiple white spots (1 mm or less) occur, regardless of color |
|
If the above measures do not improve the situation, the system's internal transfer roller or fusing unit may be dirty. Contact your service representative.
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