You can now see the image because it is formed with toner on the drum. This caused the image to be sort of developed. This is why drums are often called "Imaging Drums".Ĥ) The cartridge provides an evenly distributed thin layer of Toner to the drum. The laser creates an electrostatic image. It can be charged like an insulator but will discharge when laser light shines on it.Ģ) The drum is charged to a high voltage.ģ) The laser shines on the drum causing a discharge everywhere except where you want the toner to stick. Here is a quick summary of how laser printing works.ġ) The drum unit is a photo-conductor. This means you will need to get your printer serviced.
Lastly, it can be the laser that is no longer scanning the last inch of your paper. Buy either the OEM or from a supplier with good warranty policies. Some of the imported aftermarket products are simply unreliable. Therefore, if you have never changed the drum, it is highly likely that it needs to be changed.īe careful when shopping for Brother drum units. The Machine you are using is old technology. If you cannot do that, then you may not have a choice to buy a new drum unit. In my opinion, if you have 2 of these printers you can swap the drum unit to see if that is the problem. Therefore, buying a new cartridge will not help.
If it is, then perhaps your drum is not discharging properly or the cleaning blades are leaving a one inch band.įrankly, the Toner Cartridge could never leave a band.
Therefore, if your manual does not mention an excess toner compartment, you have nothing to worry about.Ģ) Look to see if the band of black toner is visible on your drum. I have never seen this on Brother printers. If it does, it may be getting full and overflowing. If you are getting a one inch band all the way down the page, you need to check 2 things.ġ) Look in your manual to see if your printer has an excess toner compartment. The problems you are experiencing are quite different.įirst or all, toners do not bleed.