HP 2840, 2830, 2820 manual Does the device receive, Does the device print from the computer?

Step	Verification step
number

Possible problems Solutions

5	Does the device send a
	fax?
	(HP Color LaserJet
	2830/2840 all-in-one
	models only)
	Connect the telephone line
	and press START FAX to
	verify that a dial tone
	exists (using a hand set, if
	necessary). Attempt to
	send a fax.
6	Does the device receive
	a fax?
	(HP Color LaserJet
	2830/2840 all-in-one
	models only)

The telephone line is not operational or the device is not plugged into the telephone line.

The telephone cord is faulty or is plugged into the wrong connector.

The device fax settings are set incorrectly.

Sent fax is incomplete or of poor quality.

Too many telephone devices are plugged in, or telephone devices are not connected in the correct order.

Verify that the device is plugged into a telephone line that you know works.

1.Try plugging the telephone cord into the other connector.

2.Try a new telephone cord.

Review and reset the device fax settings. See Specifying the fax settings.

If the error persists, contact

HP Customer Care. See Service and support or the support flyer that came in the device box.

See Fax problems.

Make sure that the HP Color LaserJet 2830 all-in-one or HP Color LaserJet 2840 all-in-one is the only device on the telephone line and try again to receive the fax.

Use another fax machine

to send a fax to the device.

The device fax settings are set	Review and reset the device fax
incorrectly.	settings. See Specifying the fax
	settings

If the error persists, contact HP Customer Care. See Service and support or the support flyer that came in the device box.

7Does the device print from the computer?

Connect the network cable or USB cable to the device and the computer. Use a word-processing application to send a print job to the device.

Software is not installed correctly or an error occurred during software installation.

The cable is not connected correctly. An incorrect driver is selected.

Other devices are connected to the USB port.

There is a port driver problem in Microsoft Windows.

Uninstall and then reinstall the device software. Verify that you are using the correct installation procedure and the correct port setting.

Reconnect the cable. Select the proper driver.

Disconnect the other devices and try again to print.

Uninstall and then reinstall the device software. Verify that you are using the correct installation procedure and the correct port setting.

If the error persists, contact HP Customer Care. See Service and support or the support flyer that came in the device box.

ENWW Troubleshooting process 215