Xerox Phaser 6121MFP User Manual page 190

Troubleshooting
Symptom
The image is too light, or there
is low image density.
The image is too dark.
Image is blurred, or the
background is lightly stained.
190 Phaser 6121MFP Multifunction Printer
User Guide
Cause
The laser lens is dirty.
The copy density is set too
light.
The paper is damp.
There is not much toner left in
one of the cartridges.
One or more of the toner
cartridges may be defective.
The media type set in the
printer driver does not match
the media loaded in the printer
tray.
The copy density is set too dark
(lighten/darken setting).
The document was not pressed
close enough against the
document glass.
One or more of the toner
cartridges may be defective.
The imaging unit may be
defective.
One or more of the toner
cartridges may be defective.
The imaging unit may be
defective.
The document glass or the
document cover is dirty.
Solution
Clean the laser lens. See Cleaning the
Laser Lens on page 168.
Select a darker copy density. See
the Image Lighter or Darker
Remove the moist media and replace it
with new, dry media.
Replace any cartridges that have low
toner.
Remove the toner cartridges and inspect
them for damage. Replace any that are
damaged.
Specify the correct media type in the
printer driver.
Select a lighter copy density. See
Making the Image Lighter or Darker
page 79.
Position the document so that it is
pressed close enough against the
document glass. For details on correctly
positioning the document, see
Copying on page 76.
Remove the toner cartridges and inspect
them for damage. Replace any that are
damaged.
Remove the imaging unit and inspect it
for damage. If damaged, replace it.
Remove the toner cartridges and inspect
them for damage. Replace any that are
damaged.
Remove the imaging unit and inspect it
for damage. If damaged, replace it.
Clean the document glass and cover. For
details, see Cleaning the Document
Glass and Document Cover
page 161.
Making
on page 79.
on
Basic
on