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DI425 FastPac® Inserting System

Inserters - Low/Mid Volume

The DI425 is a great solution for the mid-size mailroom that requires higher speeds or has occasional large mailings. Get maximum throughput with options such as reload on the fly, advanced OMR, 20 programmable jobs and much more. Running at a speed of 3,500 pieces per hour and capable of handling up to 30,000 pieces per month, this system saves you time and money.

Choose the DI425 for common applications such as bills, statements, direct mail and reply envelopes. Optical Mark Recognition (OMR) capabilities are available to ensure customers receive the correct documents. Optional integration with a DM Series™ Mailing System allows for the mail to be assembled and postage to be applied in one seamless process -giving you uninterrupted time to develop new business opportunities. That’s business, uninterrupted.


  • Versatile - great solution for bills or statements, direct mail and reply envelopes, and variable length documents with OMR.
  • Eliminates costly preprinted forms - the OMR ready-to-go templates or automatic importing, reformatting and sorting capability make nearly every job hassle-free.
  • Stops manual folding - manual feed on daily mail mode processes up to five pages stapled or unstapled.
  • Saves time - up to 20 common applications can be programmed.
  • Speeds cash flow - invoices that are sent out faster bring cash back faster.
  • Prevents costly errors - built-in double-detection on all feeders, auto stop, clear deck and auto page separation.
  • Trial piece required on start of every job to ensure job setup meets requirement.
  • Adaptable operation friendly - 14 language choices ensure ease-of-use for a diverse workforce.
  • Optional OptiFlow Power Stacker allows you to load and unload while machine is running, leading to productivity and efficiency
  • Optional Mailing Machine Interface provides seamless processing from folding to inserting to stamping.



Max feed stations

2 sheet feeders

1 insert feeder

Monthly volume


Cycle speed/hour


Programmable settings

20 w/OM R

Daily mail/convenience feeder


Fold Types

C Fold, Z Fold, Single fold , Double fold



Bottom address capability

Yes with reverse flap envelope

Linked feeders


Swift Start™ - Load and Go


OMR options


Sheet feeder capacity(2)


Insert feeder capacity (3)


Envelope feeder capacity #10 envelopes

Up to 100


143 lbs.


110VAC / 60Hz