Streaks Appear

Troubleshoot by checking in the following order:

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

Step 2: Checking the Platen Glass

Is the Platen Glass Dirty?
Clean the platen glass or rear side of the feeder if dirty.
Cleaning the Platen Glass
Cleaning the Feeder

Step 3: Checking the Toner Cartridge

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. If the problem persists, replace the toner cartridges.

Step 4: Checking the Usage Environment of the Machine

Is the Machine Installed in a Location Subject to Strong Wind Such as from an Air Conditioner?
If so, adjust the air direction and volume of the air conditioner.
If that does not work, setting [Switch Paper Feed Method] to [Print Side Priority] may improve the problem.
Touch Panel Model
[Home] on the control panel [Menu] [Function Settings] [Common] [Paper Feed Settings] [Switch Paper Feed Method]  select the paper source [Print Side Priority]
5 Lines LCD Model
[Home] screen on the control panel [Menu]    [Function Settings]    [Common]    [Paper Feed Settings]    [Switch Paper Feed Method]    Select the paper source    [Print Side Priority]  
* When you select [Print Side Priority], the printing speed for 1-Sided printing will decrease.
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 Fixing Assembly?
These symptoms may occur when the fixing assembly is dirty. In this case, clean the fixing assembly. Cleaning the Fixing Assembly
A19W-0C1