Unknown Printer

How to Identify and Fix Common Problems ?

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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.
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.
You can find the printer IP address: From the top left corner of the printer home screen. From the TCP/IP section in the Network/Ports menu.
Some of the most common printer problems that most of us have experienced include paper jamming, slow printing, uneven printing, and wrong colour output. If you use your printer frequently, we know how annoying it can be to have persisting problems with the printer.
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.

From the home screen, touch Settings > Device > Restore Factory Defaults. In the Restore Settings menu, select the settings that you want to restore. Touch RESTORE.
The default user name and password is admin.
If your printer is spitting out pages full of strange characters, symbols, or strange formatting, your inkjet printer drivers may be outdated, incompatible with your operating system or corrupt. Drivers are important to the proper function of your inkjet printer and it is best to check for updates regularly.
The KERNEL_STACK_INPAGE_ERROR bug check has a value of 0x00000077. This bug check indicates that the requested page of kernel data from the paging file could not be read into memory.
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 For instance, the outdated Windows OS, incorrectly working printer drivers, or not having the fill permissions of your account may lead to this issue.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.
After replacing all the items in the maintenance kit, reset the maintenance counter: 1 Press and hold the Select and Return buttons while you turn the printer on. 2 Release the buttons when Performing Self Test appears on the display.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

info on refilling lexmark 16 cartridges?
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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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Lexmark T654dn power supply problem
ANSWER : Maybe this Thread may be of use:

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Unknown Printer

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