Unknown Printer

How to Identify and Fix Common Problems ?

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If the error message, Unknown device appears, this can indicate that there is not adequate power and the PC can not identify the printer correctly. Verify that there are no extension cables and that the power cable is no longer than five meters. Reseat the power cables.
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.
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.
Updated: 10/11/2021 by Computer Hope. An unknown device is a device name listed in Device Manager that Windows cannot identify or doesn`t have the appropriate drivers to be recognized.
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.
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.
The problem of the printer icon not displaying in devices & Printers is frequently resolved by downloading and installing the most recent printer driver. If your printer drivers are out of sync, they may not function until you download and install the latest update.
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.
When a 30.03. 23 Error Alignment Calibration Failure appears on the control panel, it indicates there is an issue calibrating the scanner. If there is also a copy or scan quality issue you will see a stripe of lines from the leading edge to the trailing edge of each page.
HP Smart app might display the “Printer status unknown” error message if your printer is idle or offline. If your printer goes into sleep or standby mode after a period of inactivity, press the power button to “wake” it.
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.
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.

Select the Start button, then select Settings > Devices > Printers & scanners. Under Add printers & scanners, select Add a printer or scanner. Choose the printer you want, and then select Add Device. If you don`t see the printer you want, select The printer that I want isn`t listed.
Check the USB cable for damage and recommended length, and then restart your printer and computer. Turn off the printer and the computer. Disconnect the USB cable from the computer and printer, and then inspect the cable. If the cable is damaged or longer than 3 m (9 ft 10 in), replace it.
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.
Normally a 30.01 error is a paper jam in the document feeder. Id check the ADF sensors and look for anything that could be causing a false alarm by the printer. and here: /t5/Multifunction-and-All-in-One/HP-CLJ-CM4730-MFP-30-01-34-scanner-failure/td-p/5963917#.
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. note: Performing this action will remove all custom configurations, settings, and files.
08 Home position error. The scanner optic failed to return to the home position.
Apparently, a bad toner cartridge can cause error 59.00. 30, but replacing the toner combined with: removing the fuser and putting some oil on the axis at each end (and turning the gear several revolutions), cleaning the paper path and rollers solved the problem.
63.00. 41 There is an error in the toner supplied to the black developer. HP LaserJet Black Developer Unit: 8JM70-67001 (E783xx series) or JC96-11666A (E778xx series}. If the firmware bundle installed on the printer is lower than 4.6.
This error is specifically related to the fuser drive motor itself. The manual states that it`s a “fuser motor start up error“.
59.10 is a main drive error, which could be a bound up fuser. 51.10 is a laser error, which could be a bad laser unit. Which error do you have? If the printer can print an engine test, then you may have a bad formatter.
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. SUBSCRIBE RSS FEEDS.
A default printer is a printer all print jobs are sent to unless otherwise specified. Having a default printer prevents a program from asking the user what printer they want to use each time they print. The picture is an example of setting a printer as the default printer in Windows.

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Unknown Printer