Duplo Model DF-777 Auto Folder

Duplo Model DF-777 Auto Folder

Paper Handling Machines

  • Automatic, friction feed folder
  • Folds up to 135 sheets per minute
  • 500-sheet feed capacity

The automatic Duplo DF-777 Folder precisely folds documents such as brochures, menus, letters and invoices at up to 135 letter-size sheets per minute. Users can select from six of the pre-programmed folds for touch-and-go folding or customize their own for non-standard folds. Cross folding for right-angle folds is also possible. Additionally, the DF-777 folding machine has five popular sheet sizes (letter, legal, ledger, 1/2 letter, and 1/2 legal) pre-programmed for quick set up and user convenience. Fold position adjustments are easily done via the control panel. Once the paper size and fold type are entered, the ejection roller automatically moves into position.

With a patented friction feed system and adjustable paper and feed separator pressure controls, a wider range of paper stock up to 145 gsm can be fed with increased accuracy and consistency. Non-stop productivity is also ensured with a 4-digit LCD counter and 500-sheet feed tray capacity. Ideal for any office, church or school, the Duplo DF-777 brings easy and reliable folding to your fingertips.

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  • Folds up to 135 sheets per minute
  • 500-sheet feed capacity
  • Automatic setting of fold plate and ejection roller
  • Six pre-programmed popular folds
  • Cross folding feature for right-angle folds
  • Electronic fold plate adjustment for custom folds
  • Test button folds two sheets for inspection



Paper Size

Max. 11.7” x 17”

Min. 5” x 7.2”

Paper Weight

52.3 - 145gsm

Maximum Speed

Up to 135 sheets per minute

Feed Tray Capacity

Up to 500 sheets


Duplo Model DF-777 Auto Folder | L&L Systems, Inc


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