Envelope dimensions
Minimum Maximum
3.5 in. x 5 in. (88.9mm x 127mm)postcard size SendPro P1500, SendPro P1000 and SendPro P2000: 13
in. x 14 in. (330 mm x 356 mm)
SendPro® P3000: 15 in. x 15 in. (381 mm x 381 mm)
Envelope thickness
Minimum Maximum
SendPro P1500, SendPro P1000 and SendPro P2000: 0.18
in. (0.007 mm)
SendPro P3000: 0.09 in. (0.004 mm)
SendPro P1500, SendPro P1000 and SendPro P2000: 0.62
in. (16 mm)
SendPro P3000: 0.75 in. (19.1 mm)
Envelope flap depth for sealing
Minimum Maximum
1 in. (25.4 mm) SendPro P1500, SendPro P1000 and SendPro P2000: 3 in.
(76.6 mm)
SendPro P3000: 3-7/8 in. (98 mm)
l
For envelopes with a flap length from 1 to 2.36 inches (25 mm to 60 mm), the minimum flap
angle is 18 degrees.
l
For envelopes with a flap length greater than 2.36 inches (60 mm) to the maximum flap length
for the particular model, the minimum flap angle is 21 degrees.
Running mail
Pitney Bowes User Guide April 2022 45