Unknown Printer

How to Identify and Fix Common Problems ?

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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.

Status unknown means a circumstance where samples were scheduled to be taken by the regional water quality control plant and were not, samples were taken but not yet analyzed by the report due date or where a new discharger has yet to be sampled.
If your printer`s status displays “Printer in error state,” there may be a problem with the printer itself. Make sure the printer is turned on and connected to your PC by Wi-Fi or cable. Check it for low paper or ink, and be sure the cover isn`t open and the paper isn`t jammed.
Open the start menu and select Control Panel > Administrative Tools > and choose the Services icon. Locate the Print Spooler service and right-click. Then select the option to “Stop” the service.
Make sure that both ends of the USB cable are correctly inserted into the computer and the printer. Try disconnecting and reconnecting the USB cable at both ends. Disconnect the printer and the computer and reconnect them. Try another USB port if available.
Remove any devices connected between the printer and computer (IE:USB Hub). Reseat the USB cable connecting the printer and computer by unplugging both ends, and plugging them back in. Check for a “Found New Hardware” Windows pop up installer.
Instead of adding the printer to the existing network, you may attempt to print via Wi-Fi Direct. In case this does not work as well and you refuse to use HP Smart, it`s on you to bring the right drivers and install them manually.
Definition of unknown. as in unfamiliar. happening or existing without one`s knowledge unknown to me was the fact that while I was out, my family was hurriedly preparing a surprise birthday party. unfamiliar. unbeknown.
: a place, situation, or thing that is not known about or understood. explorers venturing off into the unknown. : a situation that one is unfamiliar with.
Whenever a paper tray becomes empty or paper is jammed, an e-mail alert is issued to the registered addresses to notify the printer status.
You may see a “printer offline” error if your computer can`t communicate with your printer. This can be caused by loose cable connections or an outdated printer driver or operating system. The HP Smart app (below) can automatically diagnose and resolve printer offline issues in Windows operating systems.
You may find a printer that is idle, even though it has print requests queued to it. A printer may seem idle when it should not be for one of the following reasons: The current print request is being filtered. The printer has a fault. Networking problems may be interrupting the printing process.
Click on Device Manager from the context menu. In Device Manager, click on View and select Show hidden devices. Next, expand the Printers section to view your printer.
Open Settings -> Devices -> Printers and Scanners (or run a quick access URI command: ms-settings:printers ); Select a printer you want to remove and click Remove Device; Confirm the printer removal.
Select Network and Internet > Network and Sharing Center > Change advanced sharing settings. In the Advanced sharing settings dialog box, expand the Private section. Next, under Network discovery, select Turn on network discovery. Under File and printer sharing, select Turn on file and printer sharing.
If you`re using Windows 10, click or tap the “+ Add a printer or scanner” button. No matter if you`re using Windows 11 or Windows 10, the operating system begins “searching for printers and scanners,” and if it manages to find your local printer or scanner, it will try to install its drivers automatically.
How to do a hard reset on your printer. With the cartridges still installed, power down the printer and then unplug the power cord from the wall. Wait for a minute, then plug the printer back in and power it back up. Wait for the cartridges to center and then try printing again.
Make sure the printer is on and connected to your computer. Go to HP Software and Driver Downloads, and then enter your printer model. Select Firmware from the list of drivers, click Download next to the update, and then follow the instructions.
To change your printer IP address, type its current IP address into the address bar of a web browser. Then go to the Settings or Network page and change your printer`s network to a static/manual IP address. Finally, type in the new IP address.
In Windows, go to Printer Properties > Maintenance > Clean Heads > OK and follow on-screen prompts. On a Mac, check the Applications folder for a Utility application for the printer. To manually clean the printer, remove printheads and use equal parts water and isopropyl alcohol to clean them.
Click on “Wi-Fi network” in the taskbar. Select the network you`re connected to. Click on “Properties.” Scroll down to the bottom of the window — your IP will be shown next to “IPv4 address.”
Some HP printers come with a feature called Wi-Fi Protected Setup (WPS) which allows you to connect the printer to a wireless network without the need for a computer or the network name and password. Note: If Enter the WPS PIN for your printer displays during a printer setup, click Cancel in the message window.
Right-click the printer in question. Select Properties. Click Ports. The entry with a checkmark is the hostname of printer.

Relevant Questions and Answers :

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ANSWER : I have the same issue… I’ve tried everything above… I don’t believe it’s dust as this happens on and off occasionally… I think I may need to make a youtube video of me “fixing” this printer! I’m really frustrated with this thing!! If it doesn’t work soon, I’m gonna by the solution in the form of a hammer!

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ANSWER : You can replace it by finding the slot of DIMM, where the existing HP4550N formatter board is installed. More info is available here

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ANSWER : I held the # and 6 down long enough to start a complete re-set of the printer But the Black ink level still shows as depleted when it is actually still half full.

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Unknown Printer