Unknown Printer

How to Identify and Fix Common Problems ?

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HP 1100, 1200 – While the printer is on, press and hold the Go button for 5 seconds. This will reset the printer.
It is caused by an HP printer option called Mopier Mode being enabled by default. This mode causes only 1 copy to be sent to the printer which should then use its internal memory to print the multiple copies. If there is no suitable internal memory only the 1 sent copy gets printed.
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.
Requirements: Operating System – Windows 7, Windows 8, Windows 8.1, Windows 10.
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.
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.
Because each printer is assigned a unique serial number, when you connect another printer of the same model to your computer, it is recognized as a different machine.
While a standard photocopying device can do one thing (make copies), a multifunction printer — sometimes referred to as an MFP — lives up to its name. An MFP has the ability to securely copy, print, scan and fax. Some devices even feature hole punching and stapling.
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.
Press and hold the Wireless button and the Cancel button at the same time for at least three seconds. The printer restarts and then the Wireless light starts blinking blue, indicating the printer is in Auto Wireless Connect (AWC) setup mode.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP LaserJet 1200 Early Feeding Causes Paper Jam
ANSWER : Seriously, dmzcompute, you are awesome! And this is just what the internet does so well: a specific fix for an esoteric problem, thus keeping a 15 year old machine alive another day. Thank you!

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Unknown Printer

evenly spaced horizontal lines on hp laserjet III printout
ANSWER : The lines would be a toner cartridge problem. Which paper tray? The MF tray or the optional paper cassette?

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Unknown Printer

HP Laserjet 4200 50.2 Fuser error
ANSWER : if you are using a good fuser the next part to try would be low voltage power supply

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HP Laserjet 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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How to copy a card slot in HP laserjet 4250N
ANSWER : None that I know of, using a computer is likely your best option but I never attempted it.

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Unknown Printer

What repair needs to be done for a "50 needs repair" message on an HP Laserjet IIIP?
ANSWER : I don’t know what you mean by good toner cartridges. They haven’t been built in about 10 years, so if they are new OEMs in the box, they are guaranteed to fail. The 50 error on that printer is mostly a burned out fuser lamp. This site was sold, so as you can see, there are no more kits available.

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LaserJet 4 won't Power Up
ANSWER : I haven’t seen that particular behavior on that model. It either works or it doesn’t. My first choice would be the power supply.

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HP Laserjet M3035xs RFU Upgrade
ANSWER : There’s no way.

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Unknown Printer