Unknown Printer

How to Identify and Fix Common Problems ?

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If your USB printer is not found by the HP Smart app, make sure Windows is up to date, check for USB connection issues, and then reinstall the app. Note: An HP+ or eligible printer cannot enroll in HP Smart Advance or Instant Ink using a USB connection.
Operating System – Windows 7, Windows 8, Windows 8.1, Windows 10.
Check the printer connection status: Make sure the wireless signal is on, and the printer is connected to the same network as your computer or mobile device. If your printer has a light next to a Wireless icon or button , make sure the light is on. If it is off or blinks the printer is disconnected from the network.
Make sure your Wi-Fi network and printer setup meet connection requirements. Restart the printer and the computer or mobile device to clear possible error conditions. Make sure the printer is not connected to a computer with a USB cable.
If your printer is compatible with Windows 10, download and run the Print and Scan Doctor to detect and fix isses. If problems persist, reinstall the latest HP printing software. Download and Install the latest HP printer software and driver.
In Windows, search for and open Add a printer or scanner . Click Add a printer or scanner, and then wait for Windows to locate available printers. If your printer is found, click it, and then click Add device to complete the driver installation.
Sometimes called a forced reset, this allows you to clear the memory if Windows or other software are unresponsive or if there are problems with the display or the computer. Performing a Hard or Forced Reset on Your HP Notebook (Fixed Battery)
Restart your computer, and then immediately press the F11 key repeatedly. Click Start . Press and hold the Shift key, click Power, and then select Restart while holding the Shift key. Continue holding the Shift key while the computer restarts.
To remove all data from your phone, you can reset your phone to factory settings. Factory resets are also called “formatting” or “hard resets.”

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

LaserJet 2200d Stopped Working
ANSWER : I am able to print a demo page and no lights blinking, tried different slots to no avail

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HP LaserJet 2200D won't print configuration page
ANSWER : Find someone with a HP LaserJet 4100 and you can configure the card to the IP you want:

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What repair needs to be done for a "50 needs repair" message on an HP Laserjet IIIP?
ANSWER : I don’t know what you mean by good toner cartridges. They haven’t been built in about 10 years, so if they are new OEMs in the box, they are guaranteed to fail. The 50 error on that printer is mostly a burned out fuser lamp. This site was sold, so as you can see, there are no more kits available.

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Paper feed
ANSWER : Judging by your other post, you must have read that you need to remove the laser scanner assy and lubricate the spinning mirror shaft. Good luck.

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HP Laserjet M3035xs RFU Upgrade
ANSWER : There’s no way.

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How to copy a card slot in HP laserjet 4250N
ANSWER : None that I know of, using a computer is likely your best option but I never attempted it.

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HP Laserjet 4200 50.2 Fuser error
ANSWER : if you are using a good fuser the next part to try would be low voltage power supply

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LaserJet 4 won't Power Up
ANSWER : I haven’t seen that particular behavior on that model. It either works or it doesn’t. My first choice would be the power supply.

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