Question about Brother HL-4040CN Laser Printer
Also color streak on edge. Cartridges should be okay.
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Posted on Jan 02, 2017
Driver could be corrupt.
Disconnect the printer or at least be sure it is turned off. I'd do both and reinstall the CD software program that came with the printer. When the software program asks you to connect the printer to the USB port, do so and it should again work properly.
Hope this helps. Bud
Posted on Jan 26, 2009
SOURCE: red streaks
That machine needs constant cleaning, you slide out the toner drawer and one at a time remove each toner, open the frosted plastic flap below and slide the wiper back and forth about 10 times to clean the corona. You could also have a bad magenta cartridge which Brother will replace for 90 days from date of purchase.
Posted on Nov 23, 2009
The problem lies with the black toner cartridge. This is a common problem in these machines due to poor design by Brother. Best solution is to replace the offending color toner cartridge.
Posted on Jan 19, 2010
Colored vertical streaks - looks like a transfer belt problem, and it's not user fixable. You may need a new belt unit - you can find it for around US$ 80-120, but you may want to have a technician inspect the unit first, since it could arguably be the drum instead, and you don't want to fork around US$ 100 and replace the wrong part.
You can try showing a printer sample at a print shop; by looking at the streaks it is possible to diagnose drum, fuser or belt problems.
Here you find a much more detailed page, for another printer model, but the issues are mainly the same for most color printers:
Posted on Mar 25, 2010
Remove the drum and toner from the front cover of the machine. On the top right of the drum unit there is a tab that you can slide. Please slide it 20 times from left to right and bring it back to home position.
Posted on Apr 05, 2010
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