Formax 6304 Series Folder Inserter
The Formax 6304 Series folder/inserter automatically folds and inserts at up to 3,600 pieces per hour with high-capacity feeders and daily-mail mode. A previous-model inserter, still supported by All For Mailers.
Description
About the Formax 6304 Series
The Formax 6304 Series is a productive, easy-to-use office folder/inserter that folds and inserts sheets, business reply envelopes and cards automatically in almost any combination. With multiple configurations available, it scales to the way your mailroom actually works — from straightforward daily mail to multi-feed collated sets.
The 6304 runs up to 3,600 pieces per hour. Standard feeders hold up to 325 sheets each, with an optional high-capacity feeder up to 725 sheets, a 325-envelope top-loading hopper and a high-capacity vertical stacker for up to 500 filled envelopes. It supports multi-feeding (pulling a set number of pieces from one feeder, then collating, folding and inserting), fold-only operation without inserting, and a Daily Mail mode for stapled sets. It handles sheets from 3.5" to 14" and set thicknesses up to 2.5 mm.
Formax 6304 Series Specifications
| Model | Formax 6304 Series (multiple configurations available) |
|---|---|
| Speed | Up to 3,600 pieces/hr |
| Feeder capacity | Standard feeders up to 325 sheets each; optional high-capacity feeder up to 725 sheets |
| Envelope hopper | Up to 325 envelopes, top-loading |
| Output stacker | High-capacity vertical stacker, up to 500 filled envelopes |
| Sheet size | 3.5” – 14” |
| Set thickness | Up to 2.5 mm |
| Media handled | Sheets, business reply envelopes and cards |
| Operating modes | Multi-feeding with collation, fold-only without inserting, and Daily Mail mode for stapled sets |
Still Supported by All For Mailers
The 6304 Series is a previous-model inserter no longer in Formax’s current lineup, but All For Mailers — a veteran-owned Formax dealer, expert since 1991 — still keeps these running with genuine parts and supplies and expert phone help from Feasterville, PA. We can also help you move to a current folder/inserter that fits your volume.
Protect what you have. These machines were built to last, and the mechanics will outlive the electronics every time. If you’re running one, put it on a quality surge protector, and add static protection — especially in dry winter air or on high-speed paper handling. Power spikes and static are what kill boards, and on these machines a board may not be replaceable at any price. It’s the cheapest insurance there is for equipment you can’t simply reorder.
Need supplies or parts? Visit SuppliesForMailers.com.
Additional information
| Speed (pieces/hr) | Up to 3,600 pieces/hr |
|---|---|
| Feeder Capacity | Standard feeders up to 325 sheets each; optional high-capacity feeder up to 725 sheets |
| Media Accepted | Sheets, business reply envelopes and cards |
Official product video from Formax USA.
Frequently Asked Questions
Is the 6304 Series still available new?
No — it is a previous model and has been superseded in Formax’s current inserter lineup. We can support an existing unit or help you choose a current model.
How fast is the 6304 and how much does it feed?
Up to 3,600 pieces per hour, standard feeders up to 325 sheets each (up to 725 with the high-capacity feeder), and daily-mail mode for stapled sets.
How does the 6304 Series compare to the current FD 6308 Series?
The 6304 runs up to 3,600 pieces per hour; the current 6308 Series runs up to 3,800 and adds a 7-inch colour touchscreen. Both take a 725-sheet high-capacity feeder.





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