HP Photosmart D7400 User Guide - Page 115

Information on ink cartridges and the print head

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Chapter 12 sure the other end of the USB cable is plugged into a USB port on your computer. After the cable is connected properly, turn the HP Photosmart off and then on again. Troubleshooting • If you are connecting the HP Photosmart through a USB hub, make sure the hub is turned on. If the hub is on, try connecting directly to your computer. • Check other printers or scanners. You might need to disconnect older products from your computer. • Try connecting the USB cable to another USB port on your computer. After you check the connections, try restarting your computer. Turn the HP Photosmart off and then on again. • If necessary, remove the software you installed with the HP Photosmart and then install it again. For more information, see: • "Uninstall and reinstall the software" on page 123 • "Find more information" on page 15 Information on ink cartridges and the print head The following tips help maintain HP ink cartridges and ensure consistent print quality. • Install the ink cartridge on or before the install by date, which is printed on the ink cartridge package. • Keep all ink cartridges in the original sealed packages until they are needed. • Turn off the HP Photosmart by pressing the On button located on the device. Do not turn off the device by turning off a power strip or unplugging the power cord from the HP Photosmart. If you improperly turn off the HP Photosmart, the print head assembly might not return to the correct position. • Store ink cartridges at room temperature (15.6°-26.6° C or 60°-78° F). • HP recommends that you do not remove the ink cartridges from the HP Photosmart until you have replacement cartridges available to install. If you are transporting the HP Photosmart make sure you turn off the device by pressing the On button to power it down properly. Also, make sure you leave the ink cartridges installed. Doing these actions will prevent ink leaking from the print head assembly. 114 Troubleshooting

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sure the other end of the USB cable is plugged into a USB port on your computer.
After the cable is connected properly, turn the HP Photosmart off and then on again.
•
If you are connecting the HP Photosmart through a USB hub, make sure the hub is
turned on. If the hub is on, try connecting directly to your computer.
•
Check other printers or scanners. You might need to disconnect older products from
your computer.
•
Try connecting the USB cable to another USB port on your computer. After you check
the connections, try restarting your computer. Turn the HP Photosmart off and then
on again.
•
If necessary, remove the software you installed with the HP Photosmart and then
install it again.
For more information, see:
•
“
Uninstall and reinstall the software” on page 123
•
“
Find more information” on page 15
Information on ink cartridges and the print head
The following tips help maintain HP ink cartridges and ensure consistent print quality.
•
Install the ink cartridge on or before the install by date, which is printed on the ink
cartridge package.
•
Keep all ink cartridges in the original sealed packages until they are needed.
•
Turn off the HP Photosmart by pressing the
On
button located on the device. Do not
turn off the device by turning off a power strip or unplugging the power cord from the
HP Photosmart. If you improperly turn off the HP Photosmart, the print head assembly
might not return to the correct position.
•
Store ink cartridges at room temperature (15.6°-26.6° C or 60°-78° F).
•
HP recommends that you do not remove the ink cartridges from the HP Photosmart
until you have replacement cartridges available to install.
If you are transporting the HP Photosmart make sure you turn off the device by
pressing the
On
button to power it down properly. Also, make sure you leave the ink
cartridges installed. Doing these actions will prevent ink leaking from the print head
assembly.
Chapter 12
114
Troubleshooting
Troubleshooting