HP Officejet J5780 User Manual

To clean the print cartridges from the HP Solution Center Software
1.Load letter, A4, or legal unused plain white paper into the input tray.
2.In the HP Solution Center, click Settings, point to Print Settings, and then click
Printer Toolbox.
NOTE:You can also open the Printer Toolbox from the Print Properties dialog
box. In the Print Properties dialog box, click the Services tab, and then click
Service this device.
The Printer Toolbox appears.
3.Click the Device Services tab.
4.Click Clean the Print...

To clean the print cartridge contacts
1.Turn on the HP All-in-One and open the print cartridge door.
The print carriage moves to the far right side of the HP All-in-One.
2.Wait until the print carriage is idle and silent, and then unplug the power cord from
the back of the HP All-in-One.
NOTE:Depending how long the HP All-in-One is unplugged, the date and time
might be erased. You might need to reset the date and time later, when you plug
the power cord back in.
3.Lightly press down on the print...

Clean the area around the ink nozzles
If the HP All-in-One is used in a dusty environment, a small amount of debris might
accumulate inside the device. This debris can include dust, hair, carpet, or clothing fibers.
When debris gets on the print cartridges, it can cause ink streaks and smudges on printed
pages. Ink streaking can be corrected by cleaning around the ink nozzles as described
here.
NOTE:Clean the area around the ink nozzles only if you continue to see streaks
and smudges on your printed...

6.Clean the face and edges around the ink nozzle area with the swab, as shown below.
1Nozzle plate (do not clean)
2Face and edges around the ink nozzle area
CAUTION:Do not clean the nozzle plate.
7.Slide the print cartridge back into the slot. Push the print cartridge forward until it clicks
into place.
8.Repeat if necessary for the other print cartridge.
9.Gently close the print cartridge door and plug the power cord into the back of the
HP All-in-One.
Related topics
Clean the print cartridges
Chapter...

12 Troubleshooting
This section contains the following topics:
•
Troubleshooting tips
•
Print quality troubleshooting
•
Print troubleshooting
•
Fax troubleshooting
•
Copy troubleshooting
•
Scan troubleshooting
•
Device update
•
Errors
Troubleshooting tips
This section contains the following topics:
•
The HP All-in-One will not turn on
•
Communication problems over a USB connection
•
Information on print cartridges
•
Information on paper
•
Tips for using the automatic document feeder
•
Clear paper jams
•...

Solution:
•Make sure the power cord is firmly connected to both the HP All-in-One and the
power adapter. Plug the power cord into a grounded power outlet, surge protector,
or power strip.
1Power connection
2Power cord and adapter
3Grounded power outlet
•If you are using a power strip, make sure the power strip is on. Or, try plugging
the HP All-in-One directly into a grounded power outlet.
•Test the power outlet to make sure it is working. Plug in an appliance that you
know works, and see if the...

Communication problems over a USB connection
If the HP All-in-One and computer are not communicating with each other, try the
following:
•Look at the display on the HP All-in-One. If the display is blank and the Power button
is not lit, the HP All-in-One is turned off. Make sure the power cord is firmly connected
to the HP All-in-One and plugged into a power outlet. Press the Power button to turn
on the HP All-in-One.
•Check the USB cable. If you are using an older cable, it might not be working...

Information on print cartridges
For best results, use HP print cartridges. The following tips help maintain HP print
cartridges and ensure consistent print quality.
•Keep all print cartridges in the original sealed packages until they are needed.
•Store print cartridges at room temperature (15.6°-26.6° C or 60°-78° F).
•Do not reattach the protective tape once it has been removed from the print cartridge.
Reattaching the plastic tape might damage the print cartridge. Place the print cartridge
in the HP...

•Do not combine different paper types and paper sizes in the input tray; the entire stack
of paper in the input tray must be the same size and type.
•Store printed photos under glass or in a storage book to prevent bleeding over time
from high humidity. Use HP Premium Plus photo paper for maximum performance.
Tips for using the automatic document feeder
Follow these simple suggestions to avoid common problems when using the automatic
document feeder.
•Remove any staples or clips from the original...

2.Gently pull the paper out of the rollers.
CAUTION:If the paper tears when you are removing it from the rollers, check
the rollers and wheels for torn pieces of paper that might be remaining inside the
device. If you do not remove all the pieces of paper from the HP All-in-One, more
paper jams are likely to occur.
3.Replace the rear door. Gently push the door forward until it snaps into place.
4.Press OK to continue the current job.
To clear a paper jam in the automatic document feeder
1.Lift the cover...