Unknown Printer

How to Identify and Fix Common Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

Reboot Your Devices

Restarting your printer and computer can set things right with the HP Smart application. Unplug the printer`s power cable and plug it back after a few seconds. Power on the printer and check if the HP Smart app identifies your printer. Reboot your computer if the error message persists.

Follow To Fix HP Printer Error 11 First, you have to turn off the printer and remove the printer cable (USB or I/O cable), and then turn it back on. If the printer reports “prepared” then first replace the motive force, and if no longer resolved then the printer cable.
Er/11, or Er/14, or Er/17 displays

The toner cartridge is not compatible with the printer. The toner cartridge has been protected on another printer.

If the LabelWriter appears as Unspecified or Unknown in Devices and Printers on Windows, it usually means that the computer has not identified that device as a printer yet.
Check Cables and Printer USB Ports

Check all cable connections (including the power cord) on the printer side. If the printer does have power and you`ve properly connected the communication cable, but the printer is still not recognized, try switching to a different USB port on the PC.

Error code 11:00 on the indicates that the printer struggled to detect the dye film panels.
The error messages might display for one of the following reasons: Er/11 or Er/13: One or more toner cartridges are not compatible with the printer. Er/14 or Er/16: One or more toner cartridges have been protected on another printer.
Google Chrome Error 11 Problem Causes

Google Chrome and Google Chrome Error 11 issues come from missing or corrupt files, Windows registry invalid entries, and malware infections. Chiefly, Google Chrome Error 11 complications are due to: Google Chrome Error 11 registry keys invalid / corrupted.

If you are having trouble getting your cartridge to read properly or are having connectivity issues with your printer, sometimes a hard reset will resolve the problem. Power down the printer and then unplug the power cord from the printer and the wall. Wait for a minute, then plug the printer back in.
To fix the error code 0x0000011b related to networked or shared printers, Microsoft says you should disable the print spooler privacy settings on both the Client PC (from which you work) and Print Server (Workstation to which the printer is attached).
Restart devices

If your printer connects to a Wi-Fi network, disconnect your computer or mobile device from the network name (SSID), and then reconnect it to the same network name your printer is connected to. If the printer is available and has a ready status, the issue is resolved.

Restart the Print Spooler Service

The printer spooler service handles your operating system`s interactions with the printer. If this service is turned off, or its files get corrupted, your device may not even detect the printer. So, you should restart the service and rebuild all of its files.

To resolve the error, replace the toner cartridge with a new toner cartridge. You can reach the HP Phone Support team for replacement options or contact HP Store to purchase toners.
A bad connection on the main (flat) Trailing Cable. Try to reconnect/reseat the cable.
The error messages might display for one of the following reasons: Er/11 or Er/13: One or more toner cartridges are not compatible with the printer. Er/14 or Er/16: One or more toner cartridges have been protected on another printer.
00 or a 50.22. 11 error displays on the control panel, it indicates an issue with the fuser warming up. Step 1: Turn the printer off, and then on. Turn the printer off, and then on to clear the error.
The error code 0x00000bcb refers to a printer issue that the computer fails finding the specified printer driver and the printer driver needs to be downloaded. This error may occur when some people want to connect their printers to local networks, but Windows fails to connect to a printer.
dll returned an error code 11” generally occurs when trying to decompress or extract a compressed file or install a game application. Sometimes a program does not have the necessary DLL files that can support a software installation process on Windows and this situation triggers the problem.
The “No FPU Installed” error usually means that your program is executing data rather than instructions. A Type 11 error can be almost any error that occurs in native code. Type 11 errors may include address errors, bus errors, or illegal instruction errors that occur in native code.
Use the Windows Update Troubleshooter to fix Windows 11 Update errors. Check third-party drivers and download any updates. You can find third-party drivers and installation instructions for any hardware you`ve added to your device on the manufacturer`s website. Unplug extra hardware.
Update the Printer Driver

Printer drivers are pieces of software that enable communication between your computer and your printer. The error code 0x00000040 could appear if your printer driver is out-of-date or faulty. Your printer driver may need to be updated in this situation to help with problem resolution.

The default administrator or root password for all HP-provided Build Plans is: ChangeMe123! CAUTION: HP strongly recommends changing this password before deploying to any servers. See Set (encrypt) the administrator/root password for details.
Reset. Resetting the printer stops printing and clears the current print job received from the active interface. You may want to reset the printer when there is a problem with the print job itself and the printer cannot print successfully.
Just like computers, printers have volatile memory (RAM) that is removed when you turn the printer off. Volatile memory requires power to store the information. Deleting volatile memory is easy: Simply shut down or unplug your printer for a minute or so.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

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

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Unknown Printer

evenly spaced horizontal lines on hp laserjet III printout
ANSWER : The lines would be a toner cartridge problem. Which paper tray? The MF tray or the optional paper cassette?

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Unknown Printer

HP laser jet 3015 "Upgrade Error Call HP Support"
ANSWER : rgtr

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Unknown Printer

HP Laserjet 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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Unknown Printer

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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Unknown Printer

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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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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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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Unknown Printer