Unknown Printer

How to Identify and Fix Common Problems ?

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

There are a few things that could be the cause of this problem, including: Empty ink or toner cartridges that need replacing. Ink or toner cartridges that have become dislodged from their proper place. The wrong paper size loaded in the input tray.
If you get this error on the printer display, it means you are trying to print something that is formatted to a size other than standard letter paper (8 ½ x 11”). The library printers only have letter-size paper, so they cannot print other sizes. The printer will beep, and display will read “paper size mismatch”.
NOTE: The default user ID is “admin” (case sensitive). The default passcode is “1111”.
Do a hard reset on your printer. To do this you just need to turn off your printer, unplug for a few minutes and then plug the printer again. If that still doesn`t work, try turning the printer and your computer off, and then start it back up again. Try uninstalling and then reinstalling your printer driver.
To resolve this issue, change the default paper size of your printer: Click Start, point to Settings, and the click Printers. Right-click the appropriate printer, and then click Properties. Click the Paper tab, and then click the paper size you want to use in the Paper Size box.
The “Paper Mismatch” or “Paper Size Mismatch” error can occur when the paper, envelopes or other media loaded in the printer tray or feeder is a different size than the paper selected in the printer settings and is a safeguard programed into your printer to prevent ink or toner from being wasted.
Using both hands, put one piece of paper in the manual feed slot until the front edge of the paper touches the paper feed roller. Once the machine has grasped the paper, let go. The side to be printed should be faced up. The machine will hold the paper in place until the print data is sent to the machine.
The common reasons for this issue are various, for instance, the paper input tray is overloaded, dust or moisture can affect the paper feed or paper pick rollers, the printer driver is old, etc. Thus, the printer cannot detect the paper that has been inserted into the tray.
A piece of paper stuck in the paper tray or inside the printer can create a paper jam. Paper jams can occur for a variety of reasons, such as overloading the paper tray, loading different thicknesses of paper in the tray, or using paper that isn`t appropriate for your particular printer.
Restart Your Printer and PC

Many times, a simple reset can resolve the issue. Restarting your printer and rebooting your PC may clear up the issue that causes your printer to print blank pages.

Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

Click on Control Panel. Select and open the Devices and Printers option. Right click on the Default Printer, and select Printing Preferences. Look for the Paper Size option.
Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

My printer feeds through one piece of paper all the way and then a half piece of paper and stops. I pull out the paper to stop the paper jam and then it prints but sounds rough. After printing, it doesn't feed the paper all the way through.
ANSWER : And the first 2 sheets, the full and half sheet that go through first, are blank.

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HP 1220C Photo Paper Feed Problems
ANSWER : This problem isn’t about the paper picker. Here is the real issue and fix:

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Paper Feed Problem on HP R80
ANSWER : In the last examination it is our origination of death which chooses our responses to all the inquiries life puts to us. The most pleasant spot to be is in somebody’s idea; the most secure spot to be is in somebody’s petitions.

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HP DeskJet 722C Paper Feed Problem
ANSWER : Detach the force string from the holding nothing back one and expel all paper from it.

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Canon Pixma Printer Paper Does Not Feed Properly/"No Paper" Error Occurs?
ANSWER : Pretty much useless advice. I also have serious doubts about someone who is obviously not fluent in the English language.

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Paper feed problem
ANSWER : Those printers are really hard t.o take apart. As you can see, there are very few screws holding it together. All the panels snap on and aren’t meant to come back off for repair. What I do is gently pry around the panel with a small flat blade screwdriver until it pops up. There aren’t any manuals, so that’s pretty much the only way to do it. I’m pretty good at putting parts like that back in without disassembly. I’ve innovated different repair methods where I do the equivalent of laproscopic surgery with minimum disassembly. Maybe use a needle nosed pliers and a small screwdriver to help guide it in? I don’t know exactly where it came out of or how much access room you have.

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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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Tray 1 (upper tray) paper feed problem
ANSWER : There is no way of adjusting the distance of lift. Could be that the pickup roller is worn enough that it will pick up a sheet that is higher, but not one that is lower down. You can look at the end of the roller that first makes contact and see if it is worn smooth.

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