HP 720 Series Guide de l'utilisateur Page 33

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43
The print quality is poor
Banner switch. Make sure the banner switch is
down, unless you’re printing banners.
Paper. If the printing is faded or the colors are dull
or bleeding into each other, make sure you’re using
paper intended for inkjet printers, that the correct
paper setting is chosen in the software, and that
you’ve loaded the paper print side down.
Cartridges. If ink is smearing or is splotchy:
You might need to clean the ink cartridges. In
the HP Toolbox, click the
Printer Services
tab,
and then click
Clean the print cartridges
.
You might need to replace the ink cartridges, as
described in step 4 of the setup guide.
Ink. You can control the amount of ink on the page
by changing the print quality (on the
Setup
tab of
the HP print settings box).
If the printing appears faded or the colors are
dull, click
Normal
or
Best
instead of
EconoFast
.
If the colors bleed into one another or the ink
smears on the sheet, click
Normal
or
EconoFast
instead of
Best
.
You might be running out of ink. Replace the
cartridges as explained in step 4 of the setup
guide.
CHECK ONLINE TROUBLESHOOTING FOR MORE HELP.
Something on the page is
wrong or missing
Margin settings. If the printing is cut off around
the edges, check your software program to make
sure that:
The margins are set correctly.
The elements are scaled correctly.
Colors.
If the colors are wrong or missing:
You might need to clean your color print
cartridge. In the Toolbox, click the
Printer
Services
tab, and then click
Clean the print
cartridges
.
You might need to replace the color ink
cartridge, as described in step 4 of the
setup guide
.
Make sure you haven’t selected
Print in
Grayscale
on the
Setup
tab of the HP print
settings box.
Communications. If meaningless characters are
printing on your page, the computer might have
lost communication with your printer. Make sure all
cables are plugged in tightly. Make sure you’re
using a bidirectional cable. To test the cable, in the
HP Toolbox, click the
Printer Services
tab, and then
click
Test the printer communication.
CHECK ONLINE TROUBLESHOOTING FOR MORE HELP.
You’re having trouble
printing a banner
Print settings. If you haven’t selected the correct
print setting, you’ll get a paper mismatch error
message. Cancel the job and make sure you’ve
clicked
Banner
on the
Setup
tab of the HP print
settings box. Resend your job to the printer.
Banner switch. If the paper jams, make sure
you’ve pushed the banner switch up and inserted
the banner paper all the way into the IN drawer.
Loading. If several sheets feed into the printer
together, try unfolding and folding the paper to get
more air between the sheets.
Paper. If the paper creases as it passes through
the printer, the paper might be inappropriate for
banner printing. HP Banner Paper is highly
recommended.
Margin gap. If you see gaps in the printing at the
ends of the sheets, a problem might exist in your
software program. See online troubleshooting for
more information.
CHECK ONLINE TROUBLESHOOTING FOR MORE HELP.
FOR DIRECTIONS TO ONLINE TROUBLESHOOTING SEE PAGE 40-41.
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