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How to Identify and Fix Common Problems ?

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

Smears and smudges on the paper can be caused by dirt, dust, or toner accumulated on the rollers or transfer belt as it passes through the paper. Cleaning your printer, particularly the rollers, is one of the options for removing black markings from paper.
A printing defect characterized by a blurry and unclear printed image, caused by a wide variety of press and handling conditions.
(smʌdʒ ) verb. If you smudge a substance such as ink, paint, or make-up that has been put on a surface, you make it less neat by touching or rubbing it. […]
Laser Printers

The fuser melts the toner onto the paper at temperatures as high as 400 degrees so that it is unlikely to melt off the paper in the future. Laser prints smudge if your printer`s fuser operates at a lower than ideal temperature. Fuser temperatures can frequently be adjusted to solve this problem.

The best way to prevent smearing is to make sure you give the ink time to dry before picking up the copy or copies. It doesn`t take long, maybe 10-15 seconds. If that doesn`t work, try changing your printer settings for a lower quality print job. You generally have a choice, Best, Normal or Draft.
Ink and toner problems can include streaking and fading (which usually indicates a dirty print head) or toner in a laser printer that is running low. For inkjet printers, the print head may need a good cleaning. The printer utility app that came with your printer will include a cleaning option.
Because the ink is made from a base of water, if the ink is wet after printing, the ink will run and the print can be damaged or ruined. Inks which are pigmented or oil-based inks, however, are made to be water-resistant; meaning your prints shouldn`t run, smear or smudge if they get wet.
Tattoo blowouts occur when a tattoo artist presses too hard when applying ink to the skin. The ink is sent below the top layers of skin where tattoos belong. Below the skin`s surface, the ink spreads out in a layer of fat.
smudgeproof (comparative more smudgeproof, superlative most smudgeproof) Resistant to smudging.
Another important consideration: since laser printers use dry toner, the ink doesn`t bleed or smear, which can be a problem with inkjet printing.
Pigment ink is found in top-end photo printers, capable of high-quality output onto a variety of media. It also has durable output as pigment inks don`t smudge and are lightfast- ideal for photos that will be on display.
Why is it important to clean a laser printer? Printing is vital to all businesses so ensuring your laser printer is thoroughly cleaned is crucial as it allows your machine to continue working efficiently. Cleaning a laser printer is easy with the correct equipment, however they are prone to dust and debris.
Smudges may appear in a printout when the paper has a lot of paper dust or other dust particles. Setting <Special Printing Mode L> to <On> may solve the problem. For details on the procedure for setting, see the “User`s Guide” from the Canon website (canon.com/oip-manual).
If you`re experiencing ink smearing, the ink may not be drying completely because the standard print settings are too high, causing over-saturation of the label paper. A common solution is to reduce the quality setting.
Extremes of temperature and moisture can damage delicate printer parts, and dust can build up and cause problems with printing quality.
Hi Amrit, Gibberish printing occurs when the printer cannot properly interpret the data stream reaching it and prints garbage text and random white space instead of the document expected.
About Flexo Print Distortion

Distortion in flexographic printing occurs when the (relatively) soft material of the printing plate is wrapped around the hard cylinder while being mounted on the press.

Distortion printing is the process of printing a distorted version of an image onto a sheet of plastic and systematically vacuum forming the sheet on a mold so that specific areas of the printed image appear in corresponding areas of the resulting three-dimensional large part.
Ink diffuses in water because of the random motion of water and ink molecules. One can observe ink move from areas of higher concentration to those of lower concentration, and the rate of this movement is proportional to the diffusion coefficient of the ink in water.
In the beaker containing cold water, ink spreads slowly. In the beaker containing hot water, ink spreads faster. The spreading of ink takes place due to the movement of water molecules. Ink will not dissolve.
Most ink leakage is due to pressure differentials when transporting cartridges by air or excessive vibration when transporting by ground. Ink leakage typically happens with black cartridges because the ink nozzles are larger than in the color cartridges. If an ink cartridge leaks it is still useable.
Standard pigments used in commercial inks can be sensitive to many types of over print and post processing coatings. This sensitivity can result in an undesireable color shift of the printed ink, often referred to as a “bleed” or “burn-out”.
Check the Smells

While ink has a variety of different smells, it should always smell like chemicals or have a fresh smell. Ink that has gone bad will have a musty smell.

Just above the circuit board on most printer cartridges, you`ll find a small button. You`ve seen these tiny buttons before on cell phones, phone chargers, etc. This is your reset button, and the only way to get in there is either with a paper clip or the tip of a pen (which will leave a tiny ink smudge on the button).

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Epson PX810FW printing issues, smudging.
ANSWER : Brisbane rubbish collection services have over the years made a significant contribution in keeping the city clean.

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11×17 prints with lines and smudges
ANSWER : Yeah, that makes it clear as can be. You should become a printer tech with your amazing insight.

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Print file sent but no printing occurs
ANSWER : Been working on these since they first were released. Never seen a problem like yours. If it happens again, try doing an engine test, as it bypasses the formatter board. The engine test is located at the right side of the manual tray opening. Look for a hole in the side wall. Stick something like a paper clip into it to actuate the test button. It will then print a lined test page. If it does that, then it points to the formatter board as the cause of your problem.

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Prints blank pages, won't print from computer
ANSWER : Don’t know why you replaced the fuser, but assuming you had print before, then it must have been something you did during the procedure. Only thing I can suggest is to recheck your work. Just because you reinstalled a connector doesn’t mean that it is seated firmly enough to work. Any flat ribbon connectors that you removed and reinstalled, check to see that the contacts are all flat and not peeled back.

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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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Printing smudge
ANSWER : Either the fuse or the drum. Look at both and replace whichever has the smudges on it.

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when printing front and back, the front will print well but the back will fade
ANSWER : It happens because second side voltage is much higher and the board breaks. Are you getting this issue in auto duplex only, or same error you are getting when you print second side manually?

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Paper feeds straight through without printing on an Epson R2400
ANSWER : I was able to get it to print the internal test page by holding down the sheet paper feed button while turning the machine on — then continuing to hold the sheet paper feed button. It took several attempts, feeding a page straight through, but eventually it caught the sheet and printed. So it may be a timing issue as others have mentioned. It could still mean that the feed rollers are worn out. The back side of the large D-shaped feed roller has visible abrasion on it. The abrasion is difficult to see as the roller does not stay with the flat side exposed.

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