my printer HP DeskJet 2600 is asking password to print from iphone and mac


When I try and use my iphone to print on my HP DeskJet 2600 it asks for a password? I dont think I have i can print pages from mail put not from dropbox. I have printed from dropbox before but now its asking for a password for the printer my mac is connected but my Iphone will let me print from mail but not dropbox When i try and connect my Iphone it asks for a password now.
When I go to settings and chose the printer

venmartin Changed status to publish September 13, 2018
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