The whole surface of the printed postcard may appear darkened. If this is the case, set [Prevent Postcard Fogging] to [Mode 1]. This may solve the problem. If the problem persists, try [Mode 2].
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Prevent Postcard Fogging] [Mode 1] or [Mode 2]
5 Lines LCD Model
on the control panel [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Prevent Postcard Fogging] [Mode 1] or [Mode 2]
* When this setting is enabled, lines may become thinner, ghost images may appear in a blank area, or the print density may decrease.
Are you using paper containing much paper dust or other dust particles?
If you are using paper containing much paper dust or other dust particles, white spots may appear. If this is the case, set [Talc Paper Mode] to [On]. This may solve the problem.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Talc Paper Mode] [On]
5 Lines LCD Model
on the control panel [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Talc Paper Mode] [On]
* Setting to [On] may change the print quality.
Perform Countermeasures to Distorted Images
Setting [Prevent Image Distortion] to [On] may improve the situation.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Prevent Image Distortion] [On]
5 Lines LCD Model
on the control panel [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Prevent Image Distortion] [On]
* When you select [On], the printing speed decrease.
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.
Has the toner cartridge or the drum cartridge been left in direct sunlight for a long period of time?
Store the toner cartridge or the drum cartridge in an appropriate location for two to three hours, then try printing again. This may solve the problem. If the problem persists, replace the toner cartridge or the drum cartridge.
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.
5 Lines LCD Model
[Home] screen on the control panel [Copy] [Density] [Background] [Adjust (Manual)] adjust the background density.
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.
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[Menu] 
on the control panel 
