HP LaserJet Pro CP1020 - Software Technical Reference

Table 6-2 Supported envelopes and postcards (continued)
Size Dimensions Tray 1
Envelope Monarch 98 x 191 mm (3.9 x 7.5 inches)
Postcard 100 x 148 mm (3.94 x 5.83 inches)
Double postcard 148 x 200 mm (5.83 x 7.87 inches)
94 Chapter 6 Engineering details ENWW