DS-40i folder inserter

Mail assembly made easy

Letter folding and envelope assembly for your SMB

The DS-40i brings accuracy, efficiency and reliability together in an easy-to-use solution that makes your mail assembly simple and fast. It folds & inserts mail up to thirteen times faster than doing it manually, assembling 1,000 pieces of mail in under an hour.

Compact and quiet, the DS-40i integrates easily into any office environment. Two document feeders and one insert feeder handle a variety of document, insert, or envelope sizes. Choose from four different folding types to give your customer communications a professional look and feel.

When you automate mail creation with the DS-40i folder inserter, you lower costs, eliminate user error, and ensure that the right document is always sent to the right customer.

Watch the DS-40i Product Video.

Why choose the DS-40i?

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Easy to use

Color touch screen and wizard-based software


Grow revenue

Speed invoice processing and payment time


Mitigate risk

Documents are always sent to correct recipient

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Control expense

Reduce operating costs through process automation

Fast, accurate mail assembly


Our Wizard-based operating software guides you through easy set-up and helps you recall jobs or adjust system settings when needed. A 5-inch glass, color touchscreen interface makes every step intuitive.


The DS-40i's automatic cascade feeding function eliminates downtime and helps optimize productivity by automatically changing feeding trays when one runs out of paper. The manual feed function accommodates up to five sheets at a time – even stapled!


Choose between four folding choices: Single fold, c-fold, double parallel, or tri-fold. Document detection prevents double feeding. The Inserts and BRE Feeder lets you insert specific communications, such as flyers, marketing messages, or return envelopes.


Processing speed Up to 1,350 envelopes / hour
5" Color touch screen Standard
Job memory Up to 15 programmable jobs
Document feeders 2
Insert/BRE feeder 1
Document feeder capacity 100 sheets (20 lb.)
Insert/BRE feeder capacity 100
Envelope feeder capacity 100
Folding capacity Up to 5 sheets 
Fold types Letter, single, double parallel, no fold
WiFi enabled Standard
Remote diagnostics/assistance/control Standard
Document height 7" - 14"
Document weight  18 - 30 lb.
Insert/BRE height 3.5" - 5.9"
Document width 5.6" - 8.9"
Insert weight 20 - 62 lb.
BRE weight 19 - 30 lb.
Envelope height 4.1" - 6.5"
Envelope width 8.8" - 9.5" (standard 6"x9.5", 10#)
Tri-fold kit  Available
Systems Dimensions
Length X Depth X Height
DS-40i without catch tray 26" X 17" X 22"
Weight  81 lbs.

What our customers are saying

Ecotrend Ecologics Ltd. has received exceptional customer service from Quadient. I was extremely stressed out due to some shenanigans from another mailing machine supplier and Quadient came to the rescue. They went above and beyond and I would recommend them to anyone!

— Karen

Accounts Receivable | Ecotrend Ecologics Ltd.

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IM-16C mail opener

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