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i have hp deskjet 2720 just pay it work with imac 2020 every time i tray to copy paper or photo get massage (old for authentication) i add my username and password but still don't want copy i
@samehabdelmohse, Welcome to HP Support Community!
To be able to assist you better, I would like to know the following:
Keep me posted for further assistance.
TEJ1602 I am an HP Employee
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