Unknown Printer

How to Identify and Fix Common Problems ?

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Make sure that both your computer and your Lexmark printer are connected to your network. Restart your printer. In some cases, a simple restart can fix the issue. Unplug the printer and check if there is any paper stuck in the machine, and if the toner is installed correctly.
New power button

In these models, the Start/Stop (green) button on the front panel basically functions as the power switch. See the following front panel illustration. To power down the printer, simply hold the Start/Stop button for five seconds.

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.
Open Printers & scanners, and then click Add a printer or scanner. Depending on your printer connection, do one of the following: Select a printer from the list, and then click Add device. Click Show Wi‑Fi Direct printers, select a printer, and then click Add device.
1) Open Control Panel in your computer, and view by large icons or small icons. 2) Click Devices and Printers. 3) Find your printer, right click on your printer (sometimes it may display as Unspecified) and select Troubleshoot. 4) Let your computer troubleshoot the issue and follow the on-screen instructions to fix it.
You may face the “printer not activated error code –20/30” for different reasons. For instance, the outdated Windows OS, incorrectly working printer drivers, or not having the fill permissions of your account may lead to this issue. Besides, this error may also be caused when your printer device is not set as default.
If this is the first time a Service Fuser error has appeared on the printer, power it off. Wait ten seconds, and then power the printer on again. The printer should come up to the Ready state. If it does, try printing again.
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.

For a printer connected to the computer via USB, the Port should be set to USB Virtual Printer Port (such as USB001, USB002). For a printer connected to the computer via Parallel, the Port should be set to LPT1 (or LPT2, LPT3 if you have more than one Parallel interface port on your computer).
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.

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.
A component found in electrostatic printers, laser printers, and xerographic printers and photocopiers. The fuser unit is used to permanently bond toner to a substrate by applying heat and pressure. A fuser unit is made up of two rollers; one to apply heat and one to apply pressure.
Restoring the factory-set defaults returns most of the settings to the factory defaults. It will not reset the page count, tray size, or language.
Hold down the power button for 15 to 30 seconds, until the phone restarts.
A power-on reset (PoR) is a circuit that provides a predictable, regulated voltage to a microprocessor or microcontroller with the initial application of power. The PoR system ensures that the microprocessor or microcontroller will start in the same condition every time that it is powered up.
A power source is mandatory for all printers. Before a printer can perform any useful function, it must be turned on.
An average ink-jet which is designed for home use will typically use 30 to 50 watts when it is printing, in standby mode most printers will draw around 3 to 5 watts of power. Commercial printers which are used in an office will draw 30 to 50 watts on standby and 300 to 500 watts when printing.
0x00000002 – Printer Connectivity Error

The error 0x00000002 means that the driver of this printer installed on the computer is corrupted. First of all, you should try to remove this driver from the driver store (if you get an error 0x00000057).

The error code 0x00000040 could appear if your printer driver is out-of-date or faulty. Your printer driver may need to be updated in this situation to help with problem resolution.
Among the more common technical issues that may bring down a printer are disconnected cables, malfunctioning routers, and low ink levels. Moreover, software problems such as interrupted connections or incorrect settings in your system`s drivers can also cause your printer to show up as offline.
The message `Fuser Error` or `Self-Diagnostic` means either the fuser has reached the maximum temperature allowed or there has been an error in detection of the correct temperature during specific times of the printing process.
Connect the printer end of the USB cable to the USB port on the side of the printer. *The location of the USB port differs depending on your printer. Connect the other end of the USB cable to the USB port on the computer. Turn on the printer by pressing the Power button.
Most printers use the same USB cables that other USB devices use to connect to your computer. USB`s development was driven by the need to create a connection standard to replace the myriad serial, parallel, and other cables previously used to connect peripherals to computers.

Switch the printer on and unplug the cable completely, both the USB connection on the device and the plug to the power socket. Wait for at least a minute. c. Reconnect the cable and plug it to the power source.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Lexmark T654dn power supply problem
ANSWER : Maybe this Thread may be of use:

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Unknown Printer

Lexmark X4650 paper Jamming!!
ANSWER : Well I had two printers that had similar issues – misalignment of paper feed which rendered both printers useless. I shook the Lexmark x4650 a couple of times and then plugged it in and got new paper and voila the misalignment was gone and it actually fed paper like it used to and printed it too.

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Lexmark X466 empty tray
ANSWER : The “Load Tray 1 with A4 paper” means the printer is looking for A4 size paper in Tray 1 and that is not what it is detecting. You need to make sure that the paper size that is in the tray matches what the printer is expecting so it understands that it should be looking for a specific size of paper. If you are printing on regular Letter size paper – set the printer tray to Letter instead of A4 and message should go away.

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Lexmark paper feed problems
ANSWER : On my X204n Lexmark laser printer, it was doing the same thing you described – basically sounded like it was trying to pick up the paper from the tray and then failing after several seconds. When you’d open the paper tray, the paper looked like it had been partially taken up with some black scuff marks on the paper that lined up with the rollers that take up the paper. I inspected the rollers and although they looked a bit smooth and worn, didn’t seem like they should be a problem. However, this particular model has just a rubber tire almost like a car tire – the rubber can come off the hard plastic wheel on the inner portion. So I popped off the two rubber “tires”, turned them inside out and put them back on. When turned inside out, the rubber looked nice and … rubbery and had a lot more grippy feeling to them. The very first printing attempt after that and the paper sucked up perfectly with no problems. I think the problem is solved! So if you have similar “tires” that take up the paper, try flipping them and see if it works for you too.

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Restore settings Lexmark x466
ANSWER : Try this:

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info on refilling lexmark 16 cartridges?
ANSWER : Our proven track record includes 20 million cartridges sold since 2004, saving $180 million for our customers who would have otherwise bought new cartridges. Unlike many discount cartridge resellers, Inkplicity is a manufacturer, instead of only a distributor mail order firm. By eliminating the wholesaler and maintaining complete control of our cartridges from product design and development to your doorstep, Inkplicity continuously delivers extraordinary savings and quality to you. For more info -Refilled Cartridges

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Lexmark Printer Problems
ANSWER : lexmark printers can be fixed . just follow the steps . uninstall the printer and drivers and install the printer driver and setup again from lexmark and than make sure you internet password and you are all set to go for more visit http://lexmark.technical-care.com/ and i hope this will help you . thanks

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Haze and Toner Spots (Lexmark C748de)
ANSWER : Addendum: (continuing the last sentence of my problem description):

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Unknown Printer