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.
The paper might not be engaged with the feed rollers. The paper-width guide is pressed against the paper stack too tightly. The paper settings in the print driver do not match the paper loaded in the paper tray. The rubber paper-feed rollers are dusty.
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.
When the printer tells you to load tray 1 it means the size and or type of paper being asked by the print job does not match the same that the printer thinks it has in the tray.
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.
If there is paper in the tray but the printer is not picking the paper, open the tray and flip the paper stack over. Load a fresh ream of paper and observe whether the issue remains. If the issue persists, remove the whole tray out and inspect the bottom of the tray for any paper debris or obstructions.
The LOAD LETTER error message indicates that your computer software is configured to print on Letter Sized paper whereas your printer is not using Letter sized paper. Because of this, the printer front panel is prompting the user to insert Letter Sized paper.
The Print Spooler is software built into the Windows operating system that temporarily stores print jobs in the computer`s memory until the printer is ready to print them. In some circumstances you may need to stop and/or restart the service.
Paper is housed in the printer`s paper tray, and most trays can be found along the bottom of the printer. There is usually a small notch on the face of the tray that pulls out so you can insert the paper. Within the paper tray, you will notice a guide that can be adjusted to fit your preferred paper length.
Default print jobs are formatted to fit an 8.5-inch by 11-inch piece of paper. Depending on what type of document you`re printing and what program you`re using to print it, it may be labeled “Letter.” A4 size paper, on the other hand, is closer to 8.25-inches by 11.75-inches.
On the Format menu, click Document > Page Setup. Select a paper size from the Paper Size list, and then click OK.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

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 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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HP Laserjet 6MP wont feed paper
ANSWER : I had a similar paper pickup problem on laserjet 6mp. The printer would go through start-up sequence fine but when it received a print job you could here the main gears/rollers turning but no clicking from paper pickup solenoid, then eventually error lights would come one . I incorrectly assumed it was an error with the paper pickup mechanism and wasted a whole day taking the printer apart and replacing the paper pick mechanism. Long story short, if I had bothered to figure out the secondary error light codes from the start, I would have realized it was just a bad fuser and would not have wasted so much time.

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paper jam
ANSWER : If you remove the fuser (2 screws), look to the left and you’ll see a gear on a metal bracket. That’s the coupling gear. It drives the fuser. You’ll see that it is yellow with teeth missing. You’ll need to replace it. You have to take the formatter assy. to the left of it off, and then there are a few screws holding it in place.

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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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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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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 M3035xs RFU Upgrade
ANSWER : There’s no way.

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