Unknown Printer

How to Identify and Fix Common Problems ?

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What about the username? think it has by default no password. Yes, username should be Admin. If for some reason that doesn`t work, try Administrator.
View or change network settings

Print a configuration page. On the embedded Jetdirect page, locate the IP address. Type the IP address into the address line of a Web browser to open the embedded Web server. Click the Networking tab to obtain network information.

Plug the USB cable into the printer. Plug the other end of the USB cable into the computer. You might need to configure certain network parameters on the product. You can configure these parameters from the control panel, the embedded Web server, or for most networks, from the HP Web Jetadmin software.
Press Windows + I to bring up Settings and go to Devices > Printers and Scanners. Then, click on your printer and select Manage. In the next window, click Printer properties and select the General tab. Your printer IP address should be displayed in the Location field.
A: This printer does not have wireless connectivity.
For Windows:

Right-click on the printer icon and select `properties` from the menu. Find the `general` tab within the properties menu and then look for the `location` field. The numbers that appear to the right of this field make up your printer`s IP address.

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.
Place the printer near the Wi-Fi router. Open the Setup, Network, or Wireless settings menu, and then select Wireless Setup Wizard. Select the name of your network, and then enter the password to complete the connection.
To Perform a Cold Reset via Control Panel:

Hold down √ (SELECT button), and then turn the printer power on. Continue holding down √ key until all three LED lights remain lit. (Note: The LED`s will flash initially. Do not release the √ key until all LED`s are solidly lit.)

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Red Light – Please help!
ANSWER : Here is the vid:

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Unknown Printer

HP 4250, error 54.1 Remove sealing tape from toner
ANSWER : I am having the same problem as everyone else can someone send me a new link or the pdf

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Unknown Printer

HP 4250 13.06.00 Fuser output paper stop !
ANSWER : pick up solenoid

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Unknown Printer

Please help! Replace toner message keeps coming up! Brother DCM-1510
ANSWER : It’s a laser printer, there is no ink. You are going about it the wrong way. Watch this video. You can just skip the first part and go to 1:30 into the video. http://www.dailymotion.com/video/x1yakq1_how-to-refill-and-reset-brother-hl-1110-hl-1112-hl-1112a-dcp-1510-dcp-1512e-mfc-1810_tech

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Unknown Printer

CANON P200- ERROR 5100 PLEASE HELP!
ANSWER : Read this for solutions http://www.mytechtime.com/2011/10/canon-error-5100-how-to-fix.html

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Unknown Printer

Paper jam in front of print head. HELP URGENT Please
ANSWER : I am 99% sure you don’t have a problem with a sensor. Having no idea what you do in the cleaning process, and not being able to look at the printer, there is no way to help or advise you.

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Unknown Printer

HP Laserjet 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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Unknown Printer

Laserjet 4250 print quality issue (see image)
ANSWER : It looks like a fuser problem. One way to prove it is with the half-stop test. Put a sheet in the drop down manual feed tray. Send a print job and watch the paper. When the end of it is about to enter the printer, open the lid and take out the toner cartridge. Look at the printed image. If it looks OK, then it is a fuser problem. If not, then it is a toner cartridge issue since it hasn’t gone through the fuser.

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Unknown Printer