2 Fixing typo in question
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Do I still need to bring/print e-ticket reference number ofif I check in on-line and print my boarding pass?

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Do I still need to bring/print e-ticket reference number of I check in on-line and print my boarding pass?

I am flying with Easyjet and I have checked in on-line (there is no other option). I will bring and print my boarding pass. Is this enough, or do I still need to print and bring the e-ticket reference to the airport?