Automatic high speed mail processing

IM-306 high volume envelope opener

The Model 306 with its ability to operate at a rated speed of up to 40,000 envelopes per hour, sets a new standard for high volume mail processing. The improved milling cutter with 8 cut-depth positions removes chips as small as 0.01” from the envelope edge, producing a soft, feathered edge while protecting valuable envelope contents. Even overnight delivery envelopes are no match for the Model 306. Equipped with a user-friendly interface, job setup is simple and quick.

Why choose the IM-306?

fast clock


Up to 667 envelopes per minute


Proven Technology

Minimizes cut contents



Even opens large and thick envelopes

User Ratings

User Friendly

Backlit LCD control pane

Automatic mail opening

High efficiency

Opens up to 400 envelopes per minute but is ideal for handful in, handful out, operations. Reverse flow conveyor permits operators to stay in place to both feed and remove envelopes. Auto chaff collection provides a clean workspace while preventing jams and static buildup.

weighing envelopes
low waste

Low waste

The Series 306 minimizes the amount of waste produced throughout the extraction process. Since our milling cutter "chips" away the edge of the envelope, the tiny waste chips are guided into a large capacity chip bin that can be easily emptied. Ergonomic rolling stand with three mail tray supports and a waste bin are included.


Opens a variety of mixed mail sizes and thicknesses, including flats. Easy-to-read backlit LCD display with multiple job, operator and language settings.

envelope technology

Proven technology

Precision milling cutter with 8 cut-depth positions protects the contents of your mail. Processed envelopes have a soft, feathered-edge opening, eliminating paper cuts. Cut depth adjustment knob lets you select from three cut-depth settings, plus a no-cut setting for piece counting.


Processing speed - Envelopes per Minute Up to 667
Envelope Opening

All sizes up to 13.5" long (including overnight packs)

Maximum Envelope Thickness

Up to .50” (1.27 cm)

Feeder Hopper Capacity

Up to 400 envelopes

Depth of Cut

From 0.01” (0.03 cm) from envelope edge up to 0.125” (0.32 cm) in depth

Weight 245 lbs.
System Dimensions

47.75”L x 21”D x 58”H


115 VAC, 60HZ, 8.5A

230 VAC, 50HZ, 5.5A


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