HP 3100 - Manual (Page 69)

Problem Defects More information
Copy defects
are apparent Vertical white or
faded stripes The media might not meet Hewlett-Packard media
specifications (for example, the media is too moist or
too rough). See
Select print media for more
information.
Too light or dark Try adjusting the contrast and copy-quality settings.
Unwanted lines The ADF might need cleaning. See Clean the HP
Fax for more information.
Black dots or streaks Ink, glue, correction fluid, or an unwanted substance
might be on the ADF. Try cleaning the HP Fax. See
Clean the HP Fax for more information.
Unclear text • Try adjusting the contrast and copy-quality
settings.
• The default enhancement setting might not be
suitable for the job. Check the setting and change
it to enhance text or images, if needed. For more
information, see
Adjust the lightness and
darkness of your copy .
Incompletely filled
text or graphics Try adjusting the contrast and copy-quality settings.
Copy is slanted or
skewed • Make sure that the input tray is not too full.
• Make sure that the paper-width adjusters are
snug against the sides of the media.
Large, black
typefaces look
splotchy (not smooth) The default enhancement setting might not be
suitable for the job. Check the setting and change it to
enhance text or images, if needed. For more
information, see
Change the copy settings .
Horizontal grainy or
white bands in light-
gray to medium-gray
areas The default enhancement setting might not be
suitable for the job. Check the setting and change it to
enhance text or images, if needed. For more
information, see
Change the copy settings .
Solve fax problems
Problem Possible solution
The display always shows Phone Off
Hook You are using the wrong type of phone cord. Make sure
you are using the phone cord that came with the HP Fax
to connect the HP Fax to your phone line. If the phone
cord that came with the HP Fax is not long enough, you
can use a coupler to extend the length. You can purchase
a coupler at an electronics store that carries phone
accessories. You will also need another phone cord,
which can be a standard phone cord that you might
already have in your home or office.
Other equipment that uses the same phone line as the HP
Fax might be in use. Make sure extension phones
(phones on the same phone line, but not connected to the
HP Fax) or other equipment are not in use or off the hook.
For example, you cannot use the HP Fax for faxing if an
Solve fax problems 65