hp envy 6400

[yomoi]

When the printer goes to sleep, it's impossible to get it out, I'm forced to unplug the physical pressure?
does anyone have an idea, plz?

[Dragon-Fur]

@yomoi 

Welcome to the HP English Community --

Instead of sleeping, perhaps the printer is falling off the network.

If that were to happen, then - sure, the printer might not respond to efforts to "wake".

That said, it does seem there would perhaps be some "signs of life" -- one or more lights or light patterns.

 HP DeskJet, ENVY 6000, 6400 - Blinking lights and error codes

What else?

If the printer is showing signs of life, the source of the issue might be network issues.

HP printer is offline or unavailable

Wireless Troubleshooting

 Troubleshoot a Wi-Fi connection to an HP printer 

HP Printers - Use a Wireless Test report to test the printer connection

No "signs of life"

The printer might be losing power and is not sleeping - printer is "off".

HP printer is offline or HP printer turns off unexpectedly or repeatedly

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Message Content References

Additional Troubleshooting  documents and videos

Select Sub-category and Topic

For Example,

Printing > Wireless & Network

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Dual Band Network - Considerations

Reminders 

Do not ignore your router --

A router that is weak, outdated, poorly located, or incorrectly configured can cause all sorts of odd network behavior issues.

If the printer supports it, connecting using Ethernet is generally a better choice.

If your router supports it, create a separate SSID named network for each frequency.

Connect the printer to the SSID network you want the printer to use on the network.

Wireless

Some printers, particularly older models, only support Wireless at 2.4GHz

Some printers support Wireless at both 5GHz and 2.4GHz – but not at the same time

Regardless, if the printer won't work or cannot connect to your 5GHz SSID named network, connect to the 2.4GHz network.

If you are running a Dual Band Network,

 Check that the router is set up to broadcast all frequencies it supports.

Next,

If your router supports it,

On your router:

 Create a separate SSID named network for each frequency supported by the router

 What?  Create one SSID named network for 5GHz and one SSID named network for 2.4GHz

and

 Connect the printer to the SSID named network on the frequency / band you want it to use.

In general,

• 2.4GHz is less fussy about obstacles and supports a longer distance (separation) between router and device (printer)
• 5GHz is faster

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Example – EWS Setup – IPv4

EWS > HP Document / How-to (original format)

Use the HP printer Embedded Web Server (EWS)

NOTE:  Find printer IP address

Section Open the EWS over a local network orientation

Ethernet

Open your Browser > Type / enter the Printer IP address into URL / Address bar

Tab Network > Wired (802.3) > IPv4 Configuration

Wireless

Open your Browser > Type / enter the Printer IP address into URL / Address bar

Tab Network > Wireless (802.11) > IPv4 Configuration

As Available:

Tab Network > Wireless (802.11) > Advanced

Network Interface on / off, Network SSID name, Security Settings, Passphrase / Password

Select and connect to the correct SSID / network name for the bandwidth you are using.

Note:   It is not mandatory that you use a manual / static IP address.  Doing so can improve stability.

FYI Example - Alternate EWS format (Select new printers)

Open your Browser > Type / enter the Printer IP address into URL / Address bar

Section Network > Primary Ethernet > Check / Adjust Status and other tabs...

Open your Browser > Type / enter the Printer IP address into URL / Address bar

Section Network > Wi-Fi > Section IP Config > IPv4

EWS_9025_Network_IPv4_Configuration_4

EWS_9025_Network_Wireless_IPv4_Advanced_2

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References / Resources

HP Printer Home Page - References and Resources

Learn about your Printer - Solve Problems

“Things that are your printer”

When the website support page opens, Select (as available) a Category > Topic > Subtopic

NOTE: Content depends on device type and Operating System

Categories: Alerts, Troubleshooting, Ink & Paper, HP Software / Drivers / Firmware Updates , Setup & User Guides, Product Specifications, Account & Registration, Warranty & Repair

Open 

 Product Home - Printers

 Enter the device type and model name of your HP product

OR

 Select a saved product from HP Account Dashboard

OR

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