How to Identify and Fix Common Problems ?
Our sources include academic articles, blog posts, and personal essays from experienced technical support :
Check the network connection status in the HP Smart app
Confirm the printer is connected to the internet and ready in the HP Smart app. Open the HP Smart app, wait a few minutes for the printer to connect to the app, and then check the connection status next to the printer icon.
23 or 30.03. 45 Scanner Errors. The resolution for either error is to, if preferred to send a firmware update, then replace the flatbed scanner assembly. It has been found that it is in most cases the internal lamp that has failed, but is not available through HP as a replaceable part.
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.
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.
If Windows doesn`t recognize your scanner, you may need to reconnect the cables. Also, you have to make sure that the cables are connected to the correct ports and that none of the cables are worn out. If you`re using a wireless scanner, ensure you`re connected to the same WiFi network as your computer.
If a Firewall on your computer is active, it may be rejecting the necessary network connection needed for the network scanning software to operate properly. Disable the Firewall on your computer and try the network scanning again. Temporarily change your firewall/security settings to allow network connection.
When a 30.03. 30 error appears on the control panel, it indicates that there is an issue with the scanner. Turn off the printer. Turn the printer back on, and verify that the scanner moves.
44, 30.01. 45, error on the printer control panel. The error may occur when there is a communication issue between the formatter and the scanner. Turn the printer off and then back on to clear the error message.
When a 30.03.22 error is displayed on the control panel, it indicates that there is an error calibrating the scanner. Turn the printer off, and then back on to clear the error. If the issue continues, contact HP technical support to perform more complex troubleshooting steps.
Synonyms of unknown (adj. obscure, mysterious) anonymous.
: 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.
Ghost prints happen when the drum or fuser unit within your printer become faulty. Because a fault with this element won`t heat the particles of the toner to a high enough temperature, the marks being made on the paper are much lighter in colour and appear more faded than typical documents.
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.
Unplug and restart your printer
Sometimes power-cycling your printer can resolve the issue. Turn off your printer and unplug it, wait 30 seconds, plug your printer back in, and then turn the printer back on.
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.