Unknown Printer

How to Identify and Fix Common Problems ?

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

Restart the printer and the computer or mobile device to clear possible error conditions. Restore Wi-Fi setup mode. Most printers with a touchscreen display or menu: Open the Wireless or Setup menu, select Network setup or Settings, and then select Restore Network Settings.
Choose File > Print. Select Print Color As Black.
Check cables or wireless connection

Make sure that the printer`s USB cable is properly connected from the printer to your PC. If your USB isn`t recognized, see Automatically diagnose and fix Windows USB problems. Check the wireless connection (for wireless printers).

Move your cursor and click on “Properties” and then the “Color” option. Here, choose the option “Print in Grayscale” by just hitting on its checkbox.
Wi-Fi printers

Go to the Start menu and click Settings, Devices, then Printers & scanners. Select Add a printer or scanner and wait for your printer to appear in the list, then select it and hit Add device. If Windows doesn`t find your printer, select The printer that I want isn`t listed and follow the instructions.

Check the ink levels

Sometimes, the printer may not print black ink because it is low or empty. You can check the ink levels on the printer`s display, or by using the software that came with your printer. If the ink level is low, replace the cartridge or refill it according to the manufacturer`s instructions.

When color ink is expended and black ink still remains, you can continue printing for a short time using only black ink. However, you should replace the expended ink cartridge(s) as soon as possible. See the following section to continue printing temporarily with black ink.
In Windows, search for and open Add a printer or scanner . Click Add a printer or scanner, and then wait for Windows to locate available printers. If your printer is found, click it, and then click Add device to complete the driver installation.
In Windows, search for and open Add a printer or scanner . Click Add a printer or scanner, and then wait for Windows to locate available printers. If your printer is found, click it, and then click Add device to complete the driver installation.
Your printer should have been packaged with a USB cable regardless of whether it is a wireless or wired printer. Plug the cable into your printer and your computer`s USB port. The direct linking should trigger your computer to recognize the printer and start up the software needed to complete the installation.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

wrong tray setting
ANSWER : — Check the printer properties and device settings and disable tray 2 if it is enabled (only have one tray available for print).

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Unknown Printer

hplj 4 stops working after being on for 5 minutes
ANSWER : Those are some strange symptoms. I would kind of suspect the culprit is the DC controller. The accordion jam is another issue. That is caused by the 2 exit rollers. They get glazed from age and aren’t able to push the paper out and it accordions because the fuser is still pushing it out and there’s nowhere for it to go.

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Unknown Printer

Laserjet 8100 C-link
ANSWER : I found the service manual and the pinout for the C-Link connectors is:

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Unknown Printer

HPLJ 4200 54.1 error
ANSWER : Can you please send me the link

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Unknown Printer