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How to Identify and Fix Common Problems ?

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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.
The fuser unit is a periodic maintenance part and should be replaced to maintain optimum print quality and reliability and to prevent paper jams.
The fuser unit or fuser assembly, is a critical component of your laser printer. Using pressure and heat, it fuses the toner powder onto the page to create a print, and without out it, your printer cannot operate.
Fuser Units

The coating wears off and causes the toner to not fuse properly. There are replacement rollers and sleeves on the market that you can replace and turn a non-functional fuser into a good working one. Rebuilding fuser assemblies is not a new thing.

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.
Fuser Units

The coating wears off and causes the toner to not fuse properly. There are replacement rollers and sleeves on the market that you can replace and turn a non-functional fuser into a good working one. Rebuilding fuser assemblies is not a new thing.

The fuser unit or fuser is a critical part of any laser printer. Using pressure and heat, it fuses the toner powder onto the page to create a print, and without it, the printer cannot operate.
After correcting the problem, open Smart Organizing Monitor. Enter the service mode to display the Service Mode screen. On the Service Mode screen, click [Fuser SC Reset].
The fuser unit or fuser is a critical part of any laser printer. Using pressure and heat, it fuses the toner powder onto the page to create a print, and without it, the printer cannot operate.
Printers with a large fuser can print between 300,000 and 500,000 pages before needing to be replaced.
The fuser unit must be replaced every 100,000 pages, usually along with the transfer belt and feed rollers as part of a maintenance kit. The error code 010-351 indicates that the fuser has reached 75,000 pages and as a result has 25% life or less remaining.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Xerox Phaser 7750 – FUSER delima
ANSWER : Thanks! On my printer, one of the magnets did dislodge and was stuck on the other side. I finally figured out what it was from your advice. The magnet was not broken and popped right back in to place. Keeping my fingers crossed that was the only issue.

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Phaser Jams every time code: 0,006.74
ANSWER : http://www.support.xerox.com/support/phaser-8560mfp/support/enus.html

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Re: hp psc 750 xi
ANSWER : Hi i have a HP PSC 750 and when i got it it powered up, now there seeems to have no power to it, can anyone help me please?

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Xerox Phaser 3250 solid red light with no apparent reason
ANSWER : I found the problem to be a fuser. For $150 you can fix this issue. Cheaper to buy a new unit.

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How to reset page counter on Xerox Phaser 3160N
ANSWER : http://apexmic.info/how-to-reset-chip-xerox-phaser-3160.html

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xerox phaser 6100
ANSWER : This post is from nearly a decade ago, so don’t know if the thread is still active. I have this printer in my rural WV classroom and am searching for a fuser unit for the Phaser 6100. Anybody know where I can still purchase one ?

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Waste Toner Cartridge is empty but printer is still telling me to replace it
ANSWER : All of the ones I’ve seen are optical. Light shines through a transparent section of the waste box onto a photocell. If toner builds up past that area, it gives a warning to replace it. Possibly toner dust has gotten on the photocell.

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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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