Question about Xerox Phaser 7400/DX Laser Printer
Id try lubing the feed rollers well the metal bars where they contact the chassis and lube gears and stepper motors. its been awhile since ive had my phazer. i traded it last year to my church pastor but try that. radio shack sells a teflon lubricator part no. 64-2301a and im certain amazon also sells them. ONE drop goes a LONG way. its also a miracle worker for pc fans, and household appliances as well as automotive where its not high heat. even bearings.
hope this helps you a tad sorry i cant be more of a help here but thought id pass a few personal experience in fixing electronics/mechanical tips along.
Posted on Dec 11, 2012
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Posted on Jan 02, 2017
SOURCE: Xerox Phaser 7400
That is caused 99 percent of the time by the fuser.
There is a solid aluminum roll and a silicon rubber ( pressure) roller in the fuser. The pressure roller either developes some flat spots from park ( non running) time and over time heat and use cause it to deform and become out of round. What then happens is when the paper enters the fuser it does so with a slight twist, and the pressure of the fuser, for lack of a better term, Irons in that crease during the fusing process.
Gave the explaination so you would understand what is happening.
Posted on Mar 07, 2008
Make sure the printer is plugged directly into a wall outlet, not a surge protector or multi-outlet strip. These devices will limit the amount of power to the machine, causing it to not initialize properly.
Posted on Jan 17, 2009
Once the LCD is gone blank that means you have to change the control panel. it's not difficult to change, all you have to do is remove the covers that are behind the the control panel. Once you have removed the white covers you can now unscrew the metal hinges. Then you have to insert a flat head in the small cracks behind the control panel that opens the control pane blue covers. Now you disconnect the data cable that connects from the control panel to the machine and that's it. Hope this helps
Posted on Nov 02, 2009
One of two things. The fuser bearings get noisy in those.
Or there are several small hard plastic rollers on steel shafts or even mounted on springs they they can get very noisy.
Posted on Feb 24, 2010
That would be the drum 99% of the time. A fuser is what heats up the paper and the toner so it will stick properly. If it is "smudging" then its the fuser. But is it is lines sometimes with dots in them that is a bad drum.
Posted on Apr 03, 2010
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