HP C4140 Manual do Utilizador descarregar pdf (Página 22)

Solution

● Make sure the power cord is firmly connected to both the HP All-in-One and the power

adaptor. Plug the power cord into a grounded power outlet, surge protector, or power

strip.

1 Power connection

2 Power cord and adaptor

3 Grounded 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 appliance has power. If not, then there might be a problem with

the power outlet.

● If you plugged the HP All-in-One into a switched outlet, make sure the switch is on. If it

is switched to on but still does not work, then there might be a problem with the power

outlet.

Cause You pressed the On button too quickly.

Solution The HP All-in-One might not respond if you press the On button too quickly.

Press the On button once. It might take a few minutes for the HP All-in-One to turn on. If

you press the On button again during this time, you might turn the device off.

Warning If the HP All-in-One still does not turn on, it might have a mechanical

failure. Unplug the HP All-in-One from the power outlet and contact HP. Go to:

www.hp.com/support

If prompted, choose your country/region, and then click Contact HP for information

on calling for technical support.

The HP All-in-One does not print

Solution If the HP All-in-One and computer are USB-connected and 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 On 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 On button to turn on the

HP All-in-One.

● Make sure the print cartridges are installed.

● Make sure you have paper loaded in the input tray.

● Check that the HP All-in-One does not have a paper jam.

Basics Guide

Troubleshooting and support

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HP C4140 Manual do Utilizador Página 22