Unknown Printer

How to Identify and Fix Common Problems ?

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HP 2100 – To perform a cold reset, turn the printer power off, then press and hold the JOB CANCEL button. Turn the printer power back on and after all the LEDs come on release the JOB CANCEL button. A cold reset changes most system parameters in NVRAM to the factory defaults.
Turn off the HP printer and unplug it from the power source. Also, shut down your computer and unplug any external devices. Wait for a few minutes and then plug in the printer and turn it back on. Finally, turn on your computer and check if the error state has been resolved.
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.
Turn the product on while you press and hold the Resume button for 10-20 seconds. The Attention light turns on. Release the Resume button. The Attention and Ready lights cycle while the product restores factory defaults.
Restart the printer and try again. Unplug the printer from an outlet. You can plug it back in again to see if it works this time. Check if the printer is properly set up or connected to your computer`s system.
Your printer should have been packaged with a USB cable regardless of whether it is a wireless or wired printer. Plug the cable into your printer and your computer`s USB port. The direct linking should trigger your computer to recognize the printer and start up the software needed to complete the installation.
On HP printers, a “cold reset” causes the printer to return to its factory default settings, which among other things, causes it to try and retrieve its configuration information from a BOOTP server.
To remove all data from your phone, you can reset your phone to factory settings. Factory resets are also called “formatting” or “hard resets.”
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

LJ 4250N Tray 2 Clearing Paper Path 41.3 Error
ANSWER : i saw sAme problem in my client printer hp lj 4250 . its toner problem . when i am the toner change then printer is 100% ok.

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ERROR on HP LJ 4525
ANSWER : Print a Configuration page. That will tell you what size paper Tray 2 thinks it has in it. If it doesn’t have plain letter on the page, then it will ask to print from Tray 1.

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HP LJ 4350 – Tray 2 not lifting, no motors turn.
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HP LJ 8150 Immediate – Continuous Paper Jam 13.32
ANSWER : I’ve worked on thousands of printers and have never seen a failed paper sensor. Read this whole thread

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Good toner cartridges still available for HP LJ 4V?
ANSWER : Try directpreciseimaging.Com in Calif. Don’t worry about resistance unless there is none.

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HP LJ P3015
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Unknown Printer