HOW TO CLEAN THE LASER UNIT ON BROTHER MFC -L2700DW DEVICES, SOLVING THE LIGHT PRINTING PROBLEM

HOW TO CLEAN THE LASER UNIT ON BROTHER MFC /DCP DEVICES, SOLVING THE LIGHT PRINTING PROBLEM, BROTHER MFC-L2700DW DISASSEMBLY FOR USE BROTHER MODELS: DCP-7090, DCP-7095D, DCP-7190DN, DCP-7195DW, DCP-B7500D, DCP-B7520DW, DCP-B7530DN, DCP-B7535DW, DCP-L2510D, DCP-L2511D, DCP-L2512D, DCP-L2530DW, DCP-L2531DW, DCP-L2532DW, DCP-L2535D, DCP-L2535DW, DCP-L2536D, DCP-L2537DW, DCP-L2550DN, DCP-L2550DW, DCP-L2551DN, DCP-L2551DW, DCP-L2552DN, HL-L2390DW, HL-L2395DW, MFC-7390, MFC-7490D, MFC-7890DN, MFC-7895DW, MFC-B7700D, MFC-B7715DW, MFC-B7720DN, MFC-L2690DW, MFC-L2710DN, MFC-L2710DW, MFC-L2712DN, MFC-L2712DW, MFC-L2713DW, MFC-L2715D, MFC-L2715DW, MFC-L2716D, MFC-L2716DW, MFC-L2717DW, MFC-L2730DW, MFC-L2732DW, MFC-L2750DW, MFC-L2750DWXL, MFC-L2751DW, MFC-L2752DW, MFC-L2770DW, MFC-L2771DW