I'm on my second toner and lately, there's a consistent squeaking noise as the unit warms up and it peaks when actually printing the page. Calls to Sharp technicians didn't provide any clues or any help. Reseating the toner or drum had no effect. For the price of another toner or drum, I'm ready to prucahse another MFP probably go back to a Brother.
I had the same squeaking. I found that it was the drum (the greenish colored roller that pops right out the side along with the toner cartridge). All I did was take a little wd40 and lubricate the ends of the drum. It fixed it right up. Good luck!!!
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Re: Consistent Squeaking Noise
The fuser unit, [near the paper exit] which heat-sets [fuses] the toner onto the paper, has bearings (bushings) that are screaming for high-temperature grease. Open it, and apply some common sewing machine oil onto the bushings. If the noise stops, you will need to repeat this every 2-3 months or disassemble the fuser roller and apply high-temperature grease.
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Washing machines don't usually run silently, but in most cases, a squeaking noise that occurs while the washer is agitating the clothing is not normal and signifies a problem. If the noise only happens when the washing is agitating, the problem is likely connected to the motor or your water pressure. Depending on the specific cause, you may feel comfortable fixing it yourself. Otherwise, call a professional.
Agitators are located in the center of the drum, or basket, of top-load washing machines. Front loading washing machines do not use agitators -- instead, gravity moves the clothes from the top of the drum to the bottom. Agitators usually consist of a tall cone fitted with arms at the base. The purpose of the agitator is to rotate the clothes and soapy water around the tub to clean the clothes. The agitator itself is not usually the cause of the squeaking noise. It is powered by the drive mechanism, which consists of a motor, clutch and gears.
A repetitive squeaking noise during the agitation cycle may signify a problem with the motor. Specifically, the belt on the motor may be wearing out. Some motors use rubber couplers, which also wear out easily. The belt is necessary for the agitator to turn, but over time, it wears thin, just like the belts in your car's motor. An easy way to test for this problem -- if you're handy -- is to take the belt off the motor and then run it. If the squeaking noise stops, the problem is indeed your belt. Of course, this means your agitator won't move. Replacing the belt should fix the problem.
Water Pressure Issues
The tub, or drum, fills with water right before the agitator turns on, and water continues to circulate throughout the washing process. As the tub fills and water circulates, you may hear a squeaking or squealing noise if you have high water pressure. This sound is caused by the force of the water moving through the pipes. To adjust this, turn the knobs on the hot and cold valves on the pipes that go into your washing machine.
New washing machines may squeak at first as the parts "warm up," according to the GE Appliances website. The noise should disappear after five complete washing cycles have run on the machine. Unbalanced loads, overly heavy loads and loose items in the drum may also cause noise when the agitator comes on, but these things usually do not produce a squeaking sound.
Chattering is caused by components tooclose to each other. This happens when bushings wear out. Get under there (not whenthe car has been running) and shake the exhaust system and any suspension component to see if you can make it chatter. Then look for why the part is able to move so much.
Most noises on these models are caused by the cartridge. Typically fuser issues will cause a growling noise not a squeak. If the inside of the machine is dirty you could have toner on the transfer roller busings. Try a different cartridge first, you fastest and most likley problem.
the squeak is coming from the drum unit. If you take out the drum and rotate it by hand it will most likely give you the same noise. you may be able to stop it by pouring some toner on it, but in reality it is more annoying than a problem.
there is a blade that scrapes off excess toner from the drum, it is slightly dry and causes the squeaking, technicians usually use a special powder that looks like baby powder to "lubricate" the blade, and stop the noise.