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Formax 6404 Series Inserter

The versatile Formax 6404 Series adapts to most any folding and inserting application. Models are available with 2 - 6 stations, offering the flexibility to meet your specific needs. A variety of input configurations include a high-capacity document feeder for up to 725 sheets, 1 or 2 high-capacity production feeders, standard and special feeders, and short feed trays. The 6404 Series is capable of folding and inserting top, middle and bottom-address documents into top-flap envelopes.

Standard features include a full-color touchscreen control panel, a large output stacker which can hold up to 500 filled envelopes, and a large top-loading envelope hopper with a capacity of up to 325 envelopes. The 6404 Series also offers energy savings with its auto standby mode, which goes into effect after 1 hour of idle time.

Options include Barcode Recognition (BCR), Optical Mark Recognition (OMR), a variety of output choices, cabinets and 402 Series Joggers.


Speed Up to 4,000 #10 envelopes per hour
Feed Hopper Capacity Up to 325 sheets 20# (each feeder)
Envelope Hopper Capacity Up to 325 envelopes
Power Stacker Up to 500 filled envelopes (reversed output)
Side Exit Tray (Optional) Up to 500 filled envelopes
Paper Size 3.5" to 14" L x 5.1" to 9" W
Envelope Size 3.5" to 6.3" High x 6.3" to 9.7" Wide
Paper and envelope specs may vary. All media must be tested.


Overall Height 36.5"
Overall Length 72" (four station models)
Overall Width 16.5"
Net Weight (approximate) 242 lbs. (four station models)


115 VAC

Formax 6404 Series brochure pdf file

Download the brochure and call 877.460.1212 toll free to speak to a sales representative.