Unknown Printer

How to Identify and Fix Common Problems ?

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just GOTO settings > printer properties of your printer > preferences>paper quality >change the paper to A4 size . and restart the printer.
Sometimes paper can get stuck behind the tray and get stuck in the sensors and arms that detect paper size and detection. You can remove the tray completely from the machine and look at the feed unit and rollers and make sure there is no obstruction or paper stuck.
On the Windows taskbar, click the Windows icon ( ), and then click Devices and Printers. Right-click your product, and then select Printing Preferences. From the Printing Preferences menu, select Paper/Quality. From the Paper Source drop-down menu, select Tray 2.
The extra time needed to pick the sheet of paper incorrectly leads the product to `believe` that the piece of paper pulled from Tray 2 is actually longer than it is. Depending on how much extra time was needed to feed the sheet, the product may jam and/or display the Unexpected Size error.
Improve printer performance by selecting the optimum paper type for the tray. You can select from the following paper types: Tray 1. [Thin Paper], [Thick Paper 1], [Thick Paper 2], [Plain Paper], [Recycled Paper], [Color Paper], [Preprinted], [Prepunched], [Letterhead], [Bond Paper], [Cardstock], [Label Paper]
Tray 2 holds up to 250 sheets of 75 g/m2 paper.
Open the Start menu, type “Settings,” and go to the Settings app that appears in the search results. Next, click on Devices and navigate to Printers and Scanners on the left pane. From there, click on Add a printer or scanner and wait for your computer to scan for available printers.
Make sure you are pointing the Bypass tray from the printing settings. Make sure you fill the Bypass tray ONCE you`ve sent the files to the printer. Make sure the user have permissions to print from the Bypass tray. Make sure your Bypass tray is activated in the Printer`s parameters.
The bypass tray is intended primarily for small-quantity jobs using special media. The bypass tray is on the left side of the printer.
To cancel or delete stuck print jobs, open the Services application and stop the “Print Spooler” service. Navigate to %windir%\System32\spool\PRINTERS, delete all the temporary files there, and then start the Print Spooler service again.
To switch the default paper size, go to Page Layout > Page Setup > Size, and then choose the size you want.
At the printer control panel, log in as administrator, then press the Home button. Touch Device > Paper Trays. Select a tray. To set the level of restriction on the paper tray, touch Tray Mode and select an option.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Paper jam in tray 2 (but no paper pulled from tray) also M476DN models
ANSWER : Isopropyl alcohol is not recommended for rubber rollers. It dries out the rubber and hasten it’s cracking and breaking. It will do nothing to restore the grip. Those rollers are really hard to replace. It would be easy if that dumbass secondary menu really worked. None of the techs I’ve spoke to ever got into it. Everyone I know sends a print job and listens for the roller to rotate into position where you can pull it off.

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HP LJ 4350 – Tray 2 not lifting, no motors turn.
ANSWER : I can’t believe, pieces of paper was under the registration flap, now my 4250N is working.

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Printer stops pulling paper from tray 2 after a few sheets
ANSWER : Sticking pickup roller solenoid. Pretty easy fix. You need to remove the right side covers. The back one just slides off, but the top holds the front one. I usually just take the 2 right side screws off and gently lift the top enough to pop off the side panel. Open the metal door on the formatter assy. Then release the tab in the middle. There’s also a tab at the front of the panel. When putting it back on, make sure you engage the rocker switch and the metal rod before pushing it into place. When you get it open, you’ll see the solenoid at the bottom front. There’s 1 screw holding it in place. Remove it and take the top plate and spring off. Be careful not to lose the spring. Then scrape off the gooey crap on top and clean off the plate as well. I put a piece of thin sticky backed felt in place of the remnants of the disintegrating sponge that HP uses. You can find it at the hardware store used for the bottom of chair legs.

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LJ 4250N Tray 2 Clearing Paper Path 41.3 Error
ANSWER : i saw sAme problem in my client printer hp lj 4250 . its toner problem . when i am the toner change then printer is 100% ok.

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A3 paper not pickup from tray 2
ANSWER : Replace the pickup roller.

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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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HP 2200 – blinking attention light and tray 2
ANSWER : Nice day. (QUALITY IS OUR CULTURE)

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Laserjet M603DN tray 2 not lifting
ANSWER : I had a similar issue with a M602, though it’s the previous generation machine they are close in design. This one kept saying tray 2 lifting but there was not a sound of the motor even trying. My first thoughts were replace the lift motor then DC controller but it was replacing the formatter that fixed it after other parts made no difference.

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