Solving Problems with Printing Quality
Symptom
Cause
Solution
Nothing is printed,
or there are blank
spots on the
printed page.
One or more of the
photoconductor units may be
defective.
Remove the photoconductor units and check it for damage.
If it is damaged, replace it.
The media is moist from
humidity.
Adjust the humidity for media storage. Remove the moist
media and replace it with new, dry media.
The media set in the printer
driver mismatches the media
loaded in the printer.
Load the correct media in the printer.
The power source does not
match the printer specifications.
Use a power source with the proper specifications.
Several sheets are being fed at
the same time.
Remove the media from the tray and check it for static
electricity. Fan plain paper or other media, and replace it in
the tray.
Media is not set properly in the
tray(s).
Remove the media, tap it to straighten it out, return it to the
tray, and realign the media guides.
Entire sheet is
printed in black or
color.
One or more of the
photoconductor units may be
defective.
Remove the photoconductor units and check it for damage.
If it is damaged, replace it.
Image is too light;
there is low image
density.
Laser lens is dirty.
Clean the laser lens.
The media is moist from
humidity.
Remove the moist media and replace it with new, dry media.
There is not much toner left in
the cartridge.
Replace the toner cartridge.
One or more of the
photoconductor units may be
defective.
Remove the photoconductor units and check them for
damage. If one is damaged, replace it.
The media type is set incorrectly.
When printing envelopes, labels, letterhead, postcards,
thick stock, glossy, single side only paper or special paper,
specify the appropriate media type in the printer driver.
AcuLaser C3900 Series User’s Guide
Troubleshooting
136
