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The first thing to do to make your printer print darker is the adjustment of the print density settings in the printer folder. Click on Start. Settings. Devices. Printers and scanners. Select your printer. Manage. Click Printing Preferences. Click on the Advanced tab. Here there are the settings. Rise the Print quality. Graphic quality. Toner Save mode must be off. Ok. Apply. OK. If you prefer you can modify the settings from the document you are printing. Click file on the top left corner. Print. Printer properties. The shape of the window on the monitor could change but the procedure is the same. This is an Epson printer. If your toner cartridge has the toner roller exposed like Brother, some color Samsung and HP you can clean the toner roller with a soft dry cloth. The toner has additives that over time remain on the toner roller surface. Rotate the roller by hands in the right direction. clean the whole roller. If possible, clean the charge roller, the rubber roller in contac
