Unknown Printer

How to Identify and Fix Common Problems ?

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Toner Rub Off or Smudging issues occur when toner is improperly or incompletely fused to the paper. This can occur if the incorrect paper is used, paper tray settings are incorrectly configured, or there is an issue with the Fusing unit.
You`re probably using a heavier stock of paper. The heavier the paper, the more heat is needed to fuse the toner to the page. Your copier can`t automatically sense the type of paper that`s loaded so it thinks it`s printing to regular paper, which is usually the default setting.
The paper passes through rollers in the fuser assembly, where temperatures up to 427 °C (801 °F) and pressure are used to permanently bond the toner to the paper. One roller is usually a hollow tube (heat roller) and the other is a rubber-backed roller (pressure roller).
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.
Streaking, smudging, black lines, and double images are all symptoms of a bad fuser. When you notice these printing defects and experience problems, such as paper jams or wrinkles, this is a good sign to replace the fuser kit.
Which laser printer component permanently presses the toner into the paper? The fuser assembly presses and melts the toner into the paper. The transfer corona transfers the toner from the drum to the paper.
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.
Laser printers use a powder called toner that fuses to the paper when heat is applied.
Laser printers use microscopic ink particles in a powdered form known as toner. Once heated by the fuser unit, the toner melts allowing it to be fused to the paper fibres under pressure.
Check all cable connections (including the power cord) on the printer side. If the printer does have power and you`ve properly connected the communication cable, but the printer is still not recognized, try switching to a different USB port on the PC.
Insert the stack of paper into the product, and then gently push the paper guides snugly against the paper. Make sure that the paper is fully inserted into the product. Try printing again. If the issue is not resolved, try loading different brands of paper and different types of paper, one type at a time.
Slide the paper all the way into the printer. The leading edge of the paper will stop at the Paper Drive Roller. Locate the Paper Sensor/OOPs sensor on the right side of the paper path. It can be seen from the top of the printer with the Top Cover open and has red, black, and blue wires attached to it.
You`ll be able to keep printing until the black toner runs out. When the black toner runs out, you won`t be able to print until you replace it.
The No Toner message appears if the toner cartridge or the toner cartridge and drum unit assembly is not installed correctly. Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back in the drum unit.
The message `Fuser Error` or `Self-Diagnostic` means either the fuser has reached the maximum temperature allowed or there has been an error in detection of the correct temperature during specific times of the printing process.
Many chemicals in toner and ink are hazardous.

It consists of plastic particles, carbon black, fumed silica, dyes, and charge control agents. This chemical composition renders it extremely flammable, even explosive under certain conditions.

Based on the estimated solubility parameters, propylene oxide should be one of the best solvents for removing the toner, with a RED of 0.1 with the toner and 1.5 with the paper.
Locate the waste toner container sensor near the bottom of the Waste Toner Container. Clean the transparent plastic square. Clean the black sensors inside the printer, where the waste toner container sensor is located during normal operation. Power on the printer without the Waste Toner Container installed.
Verify the toner cartridge is installed correctly.

If you install a new toner cartridge but the “Toner Low”, “Replace Toner” or “Toner Ended” error indication remains, the toner cartridge may not be installed correctly. Reinstall the toner cartridge, referring to the instructions on how to replace the toner cartridge.

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.
If your printer keeps jamming, you should know that the most common cause of a jam is misalignment of the paper. Paper needs to load in smoothly, completely flush with the tray. Overfilling the tray is a great way to ensure you will be spending some personal time getting to know the inside of a printer.
A fuser unit is a pair of heated rollers within the printer that fuses the toner onto the paper being printed on. Toner particles are pulled to the paper to create the desired text and images as the paper passes the imaging drum.
A component found in electrostatic printers, laser printers, and xerographic printers and photocopiers. The fuser unit is used to permanently bond toner to a substrate by applying heat and pressure. A fuser unit is made up of two rollers; one to apply heat and one to apply pressure.
What is Toner Foiling? Toner foiling can also be known as laser foiling, foil fusing, sublimation foiling and foil sleeking. It is a specialty print process of adhering specialised metallic or pigment foil to an area layered by toner from a toner (laser) printer.

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 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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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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Toner dots fused to drum
ANSWER : You can try alcohol on a cotton pad to remove the toner. Wipe dry afterwards. If the drum does not have nicks in the coating, it should be OK.

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paper jam under toner cartridge
ANSWER : http://www.fixyourownprinter.com/posts/76889

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Paper Mismatch Error on HP C6150, C6180 or C7280
ANSWER : Thanks a lot for your informational post. I had been working online and making money through paypal generator if you also want to know the secrets behind what you can do with this free paypal money adder visit the website and take away cash in your account.

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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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Paper Jam 13
ANSWER : Sticky paper pickup solenoid. Since MF tray doesn’t use it, it works fine. Solenoid is located on right side of printer at the end of the paper pickup roller shaft. You need to remove the solenoid, take the plate and spring off the top and then scrape off the gooey residue that’s causing it to stick. Then you get a thin piece of sticky backed felt and put it on top of the metal base. You can find some at the local hardware store, they’re used on the bottom of chair legs.

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