<b>Kingjet 3013 Ink Replacements for Brother LC3013 Ink Cartridges Compatible with MFC-J487DW MFC-J491DW MFC-J497DW MFC-J690DW MFC-J895DW Inkjet Printers in North America, 10 Pack(2Set + 2BK)</b> <br><br><br><b>Little Tips</b><br><br><b>1: </b>It’d be better to keep the printer power-on if you often use it, as printers will run the printhead cleaning automatically when reset, which will waste ink. <br><br> <b>2: </b>But if the machine isn’t used frequently, then you can turn it off. Just need to switch on the power weekly, which will protect the printhead from clogging.