Epson WorkForce WF-7830 Series User Manual page 223

Solving Problems
The original was pressed with too much force.
Solutions
If you press with too much force, blurring, smudges, and spots may occur.
Do not press with too much force on the original or the document cover.
"Placing Originals" on page 35
&
Straight Lines Appear when Sending Faxes from the ADF
The following causes can be considered.
There is dust or dirt on the ADF or originals.
Solutions
Clean the ADF, and remove any dust or dirt that adheres to the originals.
"Cleaning the ADF" on page 128
&
The Image Quality of the Sent Fax is Poor
The following causes can be considered.
The Original Type setting is wrong.
Solutions
Select Fax > Fax Settings > Scan Settings > Original Type, and then change the setting. When the
original you are sending contains text and images, set this to Photo.
The resolution is set to low.
Solutions
If you do not know the performance of the sender's fax machine, set the following before sending a fax.
❏ Select Fax > Fax Settings and then make the Resolution setting to set the highest quality image.
>
Printing, Copying, Scanning, and Faxing Quality is Poor
>
223
The Quality of the Sent Fax is Poor