User guide

Troubleshooting
Phaser 6121MFP Multifunction Printer
User Guide
204
Problems Sending Faxes
Symptom Cause Solution
The document is scanned at an
angle.
The document guides are not
adjusted to the width of the
document.
Slide the document guides to fit the
width of the document.
The fax received by the
recipient is blurry.
The document is incorrectly
positioned.
Position the document correctly.
See Sending a Fax from the
Document Glass on page 117.
The document glass is dirty. Clean the document glass. See
Cleaning the Document Glass and
Document Cover on page 161.
The text in the document is printed
too faint.
Adjust the resolution or the density.
See Setting the Fax Resolution on
page 123, and Making the Image
Lighter or Darker on page 123.
There may be a problem with the
telephone connection.
Check the telephone line and then
try sending the fax again.
There may be a problem with the
recipient’s fax machine.
Make a copy to verify that this
printer is operating correctly and
then, if the copy printed correctly,
have the recipient check the
condition of their fax machine.
The fax Lighten/Darken setting is
too light.
Darken the fax. See Making the
Image Lighter or Darker on
page 123.
The fax received by the
recipient is blank.
The document was sent with the
front side facing down (when the
auto document feeder is used).
Load the document faceup in the
auto document feeder.