I often print envelopes, usually A2 or Number 10, on my HP printer. Suddenly, the printer responds to a print order by pulling the envelope into the print process, makes sounds of many print passes, then ejects the envelope still blank. I have tried restarting the printer, checked the firmware (reports as up to date), and searched the internet with no solution found. Page prints work fine and there is plenty of ink both black and color. I am stumped and hope a knowledgeable fellow traveler can clue me in on what to do. BTW, I usually print from the current version of Apple Pages and have done without problem until now.
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