HP CM3530 - Manual (Page 109)

Paper type Image orientation Duplex mode How to load paper
Alternative Letterhead Mode =
Off
How to load paper
Alternative Letterhead Mode =
On
Envelopes Long edge of the
envelope feeding into
the product 1-sided printing Face down
Top edge leading into the product
Not applicable
Short edge of the
envelope feeding into
the product 1-sided printing Face down
Top edge toward the back of the
product
Not applicable
ENWW Load paper and print media 95