White Spots Appear

Troubleshoot by checking the following steps:

Step 1: Checking the Paper

Are You Using Appropriate Paper?
Check whether the paper in the machine is usable, and replace it with appropriate paper, as needed.
Usable Paper
Loading Paper
Are You Using Paper That Has Absorbed Moisture?
Check the precautions, and replace the paper with dry paper.
Precautions When Handling Paper
Loading Paper

Step 2: Checking the Toner Cartridge

Check the Remaining Amount of Toner in the Toner Cartridge.
If the remaining amount of toner in the toner cartridge is low, replace the toner cartridge.
Checking the Remaining Amount of Consumables
Replacing the Toner Cartridge
* Depending on the usage condition of the machine, the actual remaining amount of toner may be lower than indicated or the parts may be deteriorated.

Step 3: Checking the Occurrence of White Spots

Are Dark Characters and Lines Printed Hollowed Out?
Setting [Transfer Adjust. Mode] to [Mode 1] may solve the problem. If that does not work, select [Mode 2].
[Home] screen on the operation panel  [Menu]    [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]   [Transfer Adjustment Mode]   [Mode 1] or [Mode 2]  
* When this setting is enabled, the print density may vary in an environment with low- humidity.

Step 4: Checking the Usage Environment of the Machine

Does the Printed Toner Flake Off Depending on Paper Type or Usage Environment?
If so, setting [Reduce Toner Flaking] to [Mode 1] may improve the problem. If that does not work, select [Mode 2].
[Home] screen on the operation panel [Menu]    [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]    [Reduce Toner Flaking]    [Mode 1] or [Mode 2]  
* When this setting is enabled, ghost images may appear in unprinted areas.
Are You Using Very Dusty Paper?
Setting [Talc Paper Mode] to [On] may solve the problem.
[Home] screen on the operation panel [Menu]    [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]   [Talc Paper Mode]   [On]  
* Specifying [On] in this setting may lead to changes in the image quality.
Are You Using the Machine in an Environment with Sudden Temperature Changes?
Sudden temperature changes can create condensation, which can result in faded or blurry images and text. Continuing to use the machine under these conditions may result in paper jams, printing defects, faults, or other problems. Allow the machine to adjust to the ambient temperature and humidity for at least 2 hours before use.

Step 5: Checking the Maintenance Status

Have You Cleaned the Drum?
These symptoms may occur when the drum is dirty. In this case, clean the drum. Cleaning the Drum