What Is a Folder Inserter Machine?
A folder inserter (also called an inserting machine or mail inserter) automatically folds documents, inserts them into envelopes, and seals the envelopes — replacing manual hand-stuffing. Learn how folder inserters work and whether one is right for your office.
- Folds letters, invoices, and multi-page documents automatically
- Inserts folded documents into envelopes
- Seals envelopes (moisture or pressure seal)
- Processes 1,000–20,000+ envelopes per hour depending on model
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