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How to demagnetize a laser cartridge drum - Sharp AL-1540CS All-In-One Laser Printer

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My machine says Drum Error, refer to trouble shooting for maintenance?

Drum Error:

The corona wire on the drum unit
needs to be cleaned.
Clean the corona wire on the drum unit.
(See Cleaning the corona wire on page 122.)


The drum unit has reached the
end of its life.
Replace the drum unit.
(See Replacing the drum unit on page 130.)


Open the front cover
press Clear/Back
Press Start, then 00
after the screen show "accepted"
close the front cover and you are good to go.

Feb 03, 2011 | Brother MFC-7340 All-In-One Laser Printer

1 Answer

Changed cartridge in printer few weeks back - took several attempts to get cartridges to align afterwards. Now say to remove and check cartridge (appears to be problem with colour cartridge!). When put...

It might mean that your cartridge has become demagnetized. That happened to me and I had to replace the cartridge. The little brass covering at the front of the cartridge is very delicate and can become demagnetized if handled incorrectly. You can buy refurbished ones on line and they are not as expensive, but that is entirely up to you. Good luck.

Jan 05, 2011 | HP OfficeJet 6110 All-In-One InkJet...

1 Answer

I have a line running through my pictures. it doesn't matter what picture i print, i get the line

Well, there's bad news and then there's worse. Hope for the laser lens. Hope it's not the drum. By the book:

areas (white,
black, or
color) appear
in a regular
The laser lens is dirty. Clean the laser lens.
A toner cartridge may
be defective.
Remove the toner cartridges with the
color causing the abnormal image.
Replace it with a new toner cartridge.
The drum cartridge is
Remove the drum cartridge and check
for damage. If it is damaged, replace it.

Mar 30, 2010 | Konica Minolta Magicolor 2530 DL Laser...

1 Answer


Laser printers usually have toner cartridges that include the drum.
You can purchase new Canon toner cartridges or recharged cartridges, these are approx. half the cost of a new one.

Nov 27, 2009 | Canon imageRUNNER 1330 Laser Printer

1 Answer

Dell 3100cn printer leaves a blank strip

The following table should help

Contamination in the laser path - 1. Clean the laser path. (Remove the laser/scanner assembly and clean the lens.) 2. Replace the laser/scanner assembly

Defective fuser - Replace the fuser assembly.

Lack of toner or faulty toner cartridge - Redistribute the toner in the toner cartridge. If the problem continues, replace the toner cartridge.

Dirty Corona Wire - Clean the Corona Wire.

Defective Drum - Mostly applies to B&W printers. Clean the drum or replace the drum.

Sep 20, 2009 | Dell 3100cn Laser Printer

1 Answer

Light copies

Hi katie44l:
Depending on the eviroment the printer is in depends on weather you have dust on the laser lenses. If you are in a dusty eviroment then the laser mirrors may have excessive dust on them preventing the laser beam from giving you the print quality that you need. The only way to fix this problem is to open the laser scanner motor assembly and clean the mirrors. That will require an HP certified technician to service the printer.

Image formation system
Laser printing requires the interaction of several different
technologies including electronics, optics, and electrophotographics
to provide a printed page. Each process functions independently and
must be coordinated with the other printer processes. Image
formation consists of seven processes:
Print cartridge
As the focal point of the image formation system, the print cartridge
contains toner and houses the cleaning, conditioning, and developing
stages of the process. The print cartridge contains the photosensitive
drum, primary charging roller, developing station, toner cavity, and
cleaning station. By including these components (which wear,
degrade, or are consumed) in the replaceable print cartridge, the
need for many service calls is eliminated. The special photosensitive
properties of the drum form an image on the drum surface and then
transfer the image to media.
CAUTION The print cartridge does not include a light-blocking shutter. Do not
expose the drum to light, which can permanently damage the drum.
Protect the print cartridge whenever you remove it.

Hope this helps.

Jul 02, 2009 | Dell 3110cn Laser Printer

1 Answer

Poor and inconsistent quality from the black ink.

the problem seems to be un-even distribution of ink. try a different and new ink cartridge. Since you are refilling the cartridge, the ink inside of the cartridge is getting magnetized, there by, the ink stick to the drum of the cartridge and don't distribute the ink evenly. shake would clear it. you need to demagnetized the drum.

Feb 21, 2009 | Lexmark X4270 All-In-One InkJet Printer

1 Answer

Xerox XD130df empties toner back into cartridge overflow

that really sounds like a defective toner cartridge. Either there was no developer in the cartridge or the metering blade that limits the ammount that gets onto the roller is bad.
Has to be the toner cartridge. Unfortunatly that may have also ruined the drum and cleaner within the drum cartridge. Return them for an exchange.
The reason it is running and running is that it is trying to read a patch that is developed on the drum and add toner to make a dark enough copy. And that definatly is not happening.
If the laser was not turning on, the machine would come up with a L something code. Besides if the laser was not comming on, the paged would be blank.
You can pretty much eliminate everything but the toner cartridge.

Sep 22, 2008 | Xerox WorkCentre XD130DF Laser Printer

1 Answer

How do you change the drum cartridge ?on a 2300 qms minolta printer

Replacement of the OPC Drum Cartridge

1. Open the Front Door.
2. Remove the Waste Toner Bottle.
3. Lower the unlock lever and remove the Drum
4. Reinstall the new Drum Cartridge
5. Pull the protective sheet of the Drum Cartridge to
the front and remove it.
6. Raise the unlock lever.

Jun 09, 2008 | Minolta magicolor 2300W Laser Printer

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