5-46 Phaser 7500 Printer Service Manual
Print-Quality Troubleshooting
IQ-18 Toner Droplet Contamination
A contamination consisting of random spatters of toner in sizes of a few
millimeters.
Cause
• Printing a document with relatively higher-density image (5% or more) after
continuously printing low-density (extremely low toner consumption) images
thousands of times. This problem is more likely to occur for K and M colors.
Initial Actions
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Troubleshooting Reference
Applicable Parts Example Print
Troubleshooting Procedure
Step Actions and Questions
1 Clean the Upper Cover and Trimmer Cover of the Developer Housing.
Toner Droplet Contamination
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