Service manual

2 • Specifications
2-6 DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
Envelope Flaps
For a proper seal, the envelope’s minimum flap angle must meet the follow-
ing criteria:
• For envelopes with a flap length from 25 to 60mm (1 to 2.36 inches), the
minimum flap angle is 18 degrees.
• For envelopes with a flap length greater than 60mm to the maximum
flap length for the particular model, the minimum flap angle is 21 degrees.
2.3 Material
Specifications