Before we proceed with the setup, first make sure that you know about your printer at least a little bit.
Brother HL-L2370DW Printer, a Monochrome Laser Printer can print 36-pages-per-minute and hold 250 sheets.
http://www.brother-printer-customer-service.com/

Brother MFC-J995 Printer Troubleshooting
The most common printer problems that pop up on your device include the print, scan, copy and fax errors. A lot of scan tools available and it’s your interest to choose the best tool and HP print and scan doctor tool is always the best. Double-check to make sure that there are no dust or smears that accumulate over the surface of the cartridge. If so wipe it with a cloth or paper.
http://www.brother-printer-customer-service.com