These printers are not designed to be repairable, so it is highly unlikely that anyone can repair it for you. You might try contacting a computer repair shop, but they will probably just tell you the same thing I did.
The best thing to do is just replace it by buying a new printer and recycle the dead one.
There are many places on the internet where you can find reviews of cartridge brother printer cartridges to other brands. Here's the best place: www.inkguides.com/
There are many different cartridges the Brother HL 5040 laser printer, such as the Brother TN-570 compatible laser toner cartridge, or the Brother TN-530 ink cartridge. The different cartridges all are compatible with the Brother HL 5040 laser printer.
The popular computer printer brand Brother sells toner cartridges. One can purchase these from websites such as Amazon, Staples, as well as Brother USA.
There are numerous brands of printer cartridges available to the consumer. For instance, Brother, Canon, Dell, Epson, HP, Lexmark, and Xerox are some of the more popular brands of printer cartridges.
Brother printer inkjet cartridges can be found at many retailers, both in store and online. Office Depot, Office Max, Staples, Wal-Mart, and Target are good places to buy printer ink.
The printer ink Brother printers use not only produces high DPI documents, but also is capable of reproducing high resolution digital images from still and video cameras and smartphones. To get the most out of your Brother inkjet printer, you may want to consider sticking with Brother ink when it is time to replace one or all of the cartridges in your printer. There are, however, compatible cartridges that produce results that are practically indistinguishable from the original equipment cartridges.
You can purchase Brother ink cartridges online and in stores. One website that sells cartridges is amazon.com. If you prefer to go to a store, you can find ink cartridges at Staples or Office Deport. Another option is to buy the ink cartridges from the printer manufacture.
Printer cartridges are what holds the ink. You insert these into the specific place in the printer, and the printer uses the ink from inside the cartridges.
Laser printer cartridges are much more expensive than inkjet printer cartridges. Laser printer cartridges last a lot longer than inkjet printer cartridges.
Canon, HP, Xerox and Brother are just a few names of companies who make color ink cartridges. Epson and Sophia are two others who make color ink printer cartridges.
The Brother MFC 420CN ink cartridges are ink cartridges that are compatible with the Brother MFC 420CN printer. These can be used for printing, faxing, and photo copying or scanning.
Printer Ink cartridges are rquired for printers because it is the ink that is necessary to print anything off from your computer.They also have various color cartridges, to print off colored pictures,etc..