Toner Smudges and Splatters Appear

Troubleshoot by checking in the following order:
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
Check the Remaining Amount of Toner in the Toner Cartridge.
Check the remaining amount of toner in the toner cartridge. Replace the toner cartridge if the remaining amount of toner is low.
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 (may be damaged or may malfunction). It is recommended to replace the toner cartridge with a new one.
Check the Remaining Amount of Toner in the Drum Cartridge.
Check the remaining lifetime of the drum cartridge. If the remaining lifetime is short, replace the drum cartridge.
Checking the Remaining Amount of Consumables
Replacing the Drum 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 (may be damaged or may malfunction). It is recommended to replace the drum cartridge with a new one.
Perform Countermeasures to Stains on Printed Images.
Setting [Prevent Stains on Printed Images] to [On] may improve the situation.
Touch Panel Model
[Home] on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing]  [Prevent Stains on Printed Images] [On]
5 Lines LCD Model
 on the control panel [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]    [Prevent Stains on Printed Images]    [On]  
* When you select [On], the printing speed may decrease.
Did You Print on the Back Side of Already Printed Paper?
If you are using paper that has already been printed on, toner smudges and splatters may appear on the back side. If so, specifying [Manual Back Side Print (2-Sided Only)] to [On] for that paper source may improve the print results.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Special Paper Processing]  [Manual Back Side Print (2-Sided Only)]  select the paper source [On]
5 Lines LCD Model
 on the control panel  [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]    [Special Paper Processing]    [Manual Back Side Print (2-Sided Only)]    Select the paper source    [On]  
* When this is set to [On], if some time has passed since the front side of the paper was printed, or depending on the operating environment humidity, changes in image quality or paper jams may occur.
Are You Using the Machine in an Environment with Low Humidity?
Setting [Low Humidity Mode] to [On] may solve the problem.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Low Humidity Mode] [On]
5 Lines LCD Model
 on the control panel  [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]    [Low Humidity Mode]    [On]  
* Setting this to [On] may reduce the density or create fading in a humid environment.
Are You Copying an Original with a Colored or Stained Background or an Original with Text or Images Showing Through the Back Side?
Adjusting the density of the background may solve the problem.
Touch Panel Model
[Home] screen on the control panel [Copy] [Density] [Background] [Adjust (Manual)] adjust the background density.
* Parts other than the background may also be affected depending on the color of the original.
5 Lines LCD Model
[Home] screen on the control panel [Copy]    [Density]    [Background]    [Adjust (Manual)]    adjust the background density.
Have You Cleaned the Fixing Assembly?
These symptoms may occur when the fixing assembly is dirty. In this case, clean the fixing assembly. Cleaning the Fixing Assembly
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