✓ Royal Mail Authorised Inspector since 2008 | Trading since 2005
The Pitney Bowes DI425 is a mid-volume folding inserting machine that folds and inserts up to 3,500 cycles per hour. With a colour touchscreen, two sheet feeders, an insert feeder and optional OMR, it helps businesses get more professional-looking mail out each day and improve customer communications.
Pitney Bowes DI425 folder inserter

This mid-volume folding inserting machine has an easy-to-use, clear colour touchscreen, so jobs can be set up quickly and job memories used within minutes. Access a range of reports and stats to help plan future mailings, all from your own office.
The DI425 is designed with the operator in mind and allows paper to be reloaded while the machine is in operation, giving continuous operation with little disruption. Use the optional OMR technology to ensure customers receive the correct mail.
An insert feeder lets a pre-folded item be added to a mailing – ideal for direct mail and promotions – while two sheet feeders process single sheets. The DI425 then folds and inserts into envelopes at up to 3,500 items per hour.
Pitney Bowes DI425 features
- Speed: 3,500 cycles per hour
- Fold types: single fold, C fold, Z fold, double fold
- Insert thickness: 8mm
- Sheet feeders: 2
- Insert feeders: 1
- Sheet feeder capacity: 325
- Insert feeder capacity: 300
- Envelope feeder capacity: 300
- Job memories: 20
- Output options: vertical power stacker
- Booklet feeder: no
- Colour touchscreen: yes
- Integrity mode options: optional
- Optical mark reading (OMR): optional
Pitney Bowes DI425 dimensions
- Length: 1044mm
- Height: 525mm
- Depth: 568mm
- Weight: 55 kg
View our range of Pitney Bowes folder inserter supplies. You can also use the DI425 in line with a franking machine – view our range of franking machines.
Pitney Bowes DI425 FAQs
How fast is the Pitney Bowes DI425?
It folds and inserts up to 3,500 cycles per hour, making it well suited to mid-volume mailrooms.
Does the DI425 support OMR?
Yes, OMR is available as an option to help ensure customers receive the correct mail.
Can you reload paper while the DI425 is running?
Yes. It is designed to allow paper to be reloaded during operation for continuous running with little disruption.

