HP C4380, C4390, C4385 manual Wireless setup troubleshooting, Weak signal

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•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 All-in-One off and then on again.

•If the HP All-in-One is offline, turn the HP All-in-One off and on again. Start a print job.

•If necessary, remove and then install the software you installed with the HP All-in-One again. For more information on setting up the HP All-in-One and connecting it to your computer, see the Setup Guide that came with the HP All-in-One.

Wireless setup troubleshooting

This section addresses problems you might encounter setting up a network.

During wireless network setup you do not see the SSID (network name) displayed

Cause: Your wireless router is not broadcasting its network name (SSID) because the Broadcast SSID option is turned off.

Solution: Access the router's Embedded Web Server and turn on the Broadcast SSID option. See the user guide that came with your wireless router for information on how to access the Embedded Web Server and check the Broadcast SSID setting.

For more information, see:

“Connect to an integrated wireless WLAN 802.11 network” on page 6

Cause: The wireless router (infrastructure) or computer (ad hoc) is too far from the HP All-in- One or there is interference.

Solution: In order to establish a good signal between the HP All-in-One and wireless router (infrastructure) or computer (ad hoc), you might have to experiment a bit. Assuming the equipment is functioning properly, try doing the following things separately or in combination:

•If there is a long distance between your computer or wireless router and the HP All-in-One, move them closer together.

•If there are metal objects (such as a metal bookcase or refrigerator) in the transmission path, clear the path between the HP All-in-One and the computer or wireless router.

•If a cordless telephone, microwave, or other device that emits radio signals transmitting at 2.4 GHz is nearby, move it farther away to reduce radio interference.

•If your computer or wireless router is near an external wall, move them away from the wall.

Troubleshooting and support

Cause: Your network name (SSID) may be at the bottom of the SSID list that is displayed when you install the HP All-in-One on a wireless network.

Solution: Press to scroll to the bottom of the list. Infrastructure entries are listed first, ad hoc last.

Weak signal

Cause: The HP All-in-One is too far away from the wireless router or there is interference.

Solution: In order to establish a good signal between the HP All-in-One and the wireless router, you might have to experiment a bit. Assuming the equipment is functioning properly, try doing the following things separately or in combination:

•If there is a long distance between your computer or wireless router and the HP All-in-One, move them closer together.

•If there are metal objects (such as a metal bookcase or refrigerator) in the transmission path, clear the path between the HP All-in-One and the computer or wireless router.

Wireless setup troubleshooting

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Contents HP Photosmart C4380 All-in-One series Hewlett-Packard Company notices Contents HP All-in-One at a glance HP All-in-One overviewHP All-in-One overview Control panel buttonsSetup Guide Find more informationOnscreen Help Integrated wireless Wlan 802.11 network setup Network setupConnect to an integrated wireless Wlan 802.11 network What you need for an integrated wireless Wlan 802.11 networkTo connect the HP All-in-One Wireless ad hoc network setupCreate a network profile for a Windows XP computer What you need for an ad hoc networkConnect to a wireless ad hoc network Communication mode Ad Hoc Encryption enabledCreate a network profile for other operating systems Connect to additional computers on a network Restore network defaults Manage your network settingsChange basic network settings from the control panel Print network settingsWireless Network Test prints Print the wireless network testTo load full-size paper Use the HP All-in-One featuresLoad originals and load paper To load an original on the scanner glassUse HP All -in One features To load 10 x 15 cm 4 x 6 inch photo paper in the input tray Avoid paper jamsTo print one or more 10 x 15 cm 4 x 6 inch photos Print 10 x 15 cm 4 x 6 inch photosScan an image or document Make a copyTo scan to a computer To replace the print cartridges Replace the print cartridgesTo make a copy from the control panel Press Start Copy Black or Start Copy Color to begin copyingReplace the print cartridges Clean the glass Clean the HP All-in-OneClean the lid backing To clean the glassTo clean the lid backing HP All-in-One will not turn on Troubleshooting and supportUninstall and reinstall the software Hardware setup troubleshootingSolution HP All-in-One does not print Weak signal Wireless setup troubleshootingPrinter Not Found screen appears during installation Cannot connect to network during setupInvalid WEP key during wireless setup Invalid passphrase during wireless setupClear paper jams To clear a paper jam from the rear doorTo clear a paper jam from the front door Print cartridge troubleshooting Support process If you have a problem, follow these stepsPrint cartridge yield Regulatory notices Product specificationsTechnical information System requirementsRegulatory model identification number Warranty $UJHQWLQD
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