Laserjet 9000dn

The printer is either low in toner, the density is set too low, or the Economode may be turned on. Remove the toner cartridge and shake it. This will redistribute the toner and often will temporarily solve the problem. However, this usually indicates it is time to install a new cartridge.

An E9 error occurs when the printer detects that ink system maintenance is required. An Ink System Maintenance page prints containing instructions to open and close the printhead access door to resolve the error.

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.

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.

Make sure your Wi-Fi network and printer setup meet connection requirements. Restart the printer and the computer or mobile device to clear possible error conditions. Make sure the printer is not connected to a computer with a USB cable.

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.

Oct 11, 2021•Knowledge. Why Does My Printer Show Up As “Unspecified” In Devices and Printers? A printer connected to a Windows 10 PC shows up under the “unspecified” section in Devices and Printers. Printers show up under “unspecified” when Windows cannot associate an appropriate driver.

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.

To restore the printer back to factory settings, turn the printer off, hold down the wireless button and the cancel button (x button) then turn the printer back on and don`t release the two buttons until the printer stops making noise.

1: Check Printer Power, Cables, and Paper

Check that the correct paper is properly loaded into the printer and is not jammed. Replacing damaged cables, plugging in loose or disconnected cables, and fixing paper jams as necessary may resolve the issue.

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).

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.

Go to the Start icon on the bottom left of your screen then choose Control Panel and then Devices and Printers. Right click the printer in question and select “See what`s printing”. From the window that opens choose “Printer” from the menu bar at the top. Select “Use Printer Online” from the drop down menu.