Question about Samsung SCX 4521F All-In-One Laser Printer
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Posted on Jan 02, 2017
This is a very common problem with Samsung CLX-3160 and CLP-300 printers. The real problem is that the developer blades get dirty with the toner. Buying a new imaging unit will only fix the problem for a short period of time then it starts to get buildup on the developer blades.
You need to clean the developer blades. If there are streaking on any color, then also needs to be cleaned.
To clean the developer blades, look to this link. http://losingambition.com/clp300imagefix/ It describes how to clean them. It only takes a few minutes to do once you get the developers out of the unit. Just be careful when you clean the edge of the blades. You need to make sure that the residue is completely removed from the edge. Also be sure that when you reinstall the blade that the little foam does not get trapped below the blade. Otherwise when you print the side where the blade is not properly installed will have too much color.
If you are afraid of messing your printer up, then you need to buy a new imaging unit. They go around $100.
Posted on Dec 24, 2009
Here is my solution, hope it will solve your problem.
From your post, I believe your CLP-350N printer has enough black toner. The black cartridge is on the far right side of the printer, so the black toner is harder to go to left side of the roller than right side. Everytime we start the printer, it will move some toner of each color to the roller before it shows ready to print.
Because we always use B&W printing when we start the printer, but less Color printing. The result is there are always enough toner on the 3 color rollers, but the black toner is lean on the black roller. When this gets worse, the left side of the black roller may hardly get any toner at all -- so it only print black on the right side fo paper.
Step by step solution
(CAUTION: Never loss balance while tilting printer! You may drop and damage your printer! Hold the printer firmly all the time! Ask someone to help you if needed!)
Here, front of the printer is where you can access the cartridge, back of the printer is where you connect the power cord and USB cable, left is your left, right is your right.
1.Lift the front to keep the printer tilt to its back at about 45 degree
2.Power on printer while it's tilted back, wait untill green light is on
3.Open the front door, red light will be on, then close the door, printer will start up again,wait untill green light is on
4.Repeat step 3 once again, then put the printer back to level position
5.Lift the right to keep the printer tilt to its left at about 45 degree
6.Open the front door, red light will be on, then close the door, printer will start up again, wait untill green light is on
7.Repeat step 6 once again, then put the printer back to level position
8.Print some test page to see if there is any improvement of black print quality.(Hold the printer button for 3-5 seconds, it will print the test page.)
You may try several times and print several pages each time before you finally cure the problem.
Good luck! And do it safely!
Posted on Feb 10, 2010
Possibly, the print spooler needs to be restarted. In Windows, one of the ways to do this is in the Command Prompt window. (Start > Accessories > Command Prompt, right click on the command and choose Run as Administrator in Vista or Win7).
Type "net stop spooler" <enter> without the quotes. At the next prompt, type "net start spooler" <enter> again without the quotes. After the last command finishes, restart the computer. Check that the queue is empty and retry printing.
I hope this helps.
Posted on Apr 15, 2010
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