Canon mg6400 series, Online Manual, Page: 119 / 318

Loading Envelopes
You can load Envelope DL and Envelope Com 10.
The address is automatically rotated and printed according to the envelope's direction by
specifying with the printer driver properly.
Important
Printing of envelopes from the operation panel or from a digital camera is not supported.
Do not use the following envelopes. They could jam in the machine or cause the
machine to malfunction.
- Envelopes with an embossed or treated surface
- Envelopes with a double flap
- Envelopes whose gummed flaps are already moistened and adhesive
1. Prepare envelopes.
Press down on all four corners and edges of the envelopes to flatten them.
If the envelopes are curled, hold the opposite corners and gently twist them in the
opposite direction.
If the corner of the envelope flap is folded, flatten it.
Use a pen to press the leading edge in the inserting direction flat and sharpen the
crease.
The figures above show a side view of the leading edge of the envelope.
Important
The envelopes may jam in the machine if they are not flat or the edges are not
aligned. Make sure that no curl or puff exceeds 0.1 inches (3 mm).
2. Load envelopes.
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