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Martin Yale  |  SKU: KF250

Count KF-250 Air Feed Paper Folding Machine

$18,870.86

Spec Sheet: View PDF File

User Manual: View PDF File

Product Specifications
Folding Speed 4,300 sheets / hour
Feed Type Friction
Volume High
Paper Weight 120 - 350 gsm
Max Sheet Size 13.1" x 33"
Min Sheet Size 5.5" x 4.75"
Power Supply 110/220 V 50/60 Hz
Dimensions 47" x 28" x 65"
Machine Weight 315 lbs
Shipping Weight 520 lbs
Programmed Fold Types Half Fold, Tri-Fold, Z-Fold, Letter Fold, Gate Fold, Double Parallel Fold, Custom Folds
Product Description:

Features of the COUNT™ KF-250 Knife Folder
  • Stand-alone knife folding system designed for heavy stock applications up to 350 gsm.
  • Capable of folding at speeds up to 4,300 sheets per hour for efficient off-line production.
  • Bottom vacuum paper feed with built-in register guide maintains consistent sheet alignment.
  • Fixed, factory-set registry guide keeps paper feed aligned throughout operation.
  • Automatic setup for six common fold types including bi-fold, tri-fold, Z-fold, letter fold, gate fold, and double parallel fold.
  • Custom fold capability with memory save slots supports non-standard folding applications.
  • Variable speed output conveyor with proximity sensor keeps the exit tray clear.
Performance of the COUNT™ KF-250 Knife Folder

The COUNT™ KF-250 Knife Folder is engineered for off-line folding of heavier digital media where standard buckle folders cannot perform reliably. Equipped with a knife folding mechanism and bottom vacuum feed, the system delivers clean, controlled folds without cracking or bending materials up to 350 gsm. The folder is capable of processing up to 4,300 sheets per hour, supporting efficient workflows for short and medium production runs. Its stand-alone design makes it well suited for environments with existing creasing equipment or multi-directional slitter/cutter/creasers.

The COUNT™ KF-250 Knife Folder features automatic setup for multiple common fold patterns, allowing operators to transition quickly between jobs with minimal adjustment. Backed with a fixed registry guide and consistent sheet control, folded output exits smoothly onto the conveyor for organized handling. The proximity sensor actively manages paper flow at the exit, reducing interruptions and maintaining continuous operation. User-friendly touch screen controls simplify setup and operation while reinforcing safe, dependable performance.

Frequently Asked Questions

Q: What types of jobs is the COUNT™ KF-250 Knife Folder best suited for?

A: The COUNT™ KF-250 is designed for off-line folding of heavier digital media where standard buckle folders cannot produce clean results.

Q: Can the COUNT™ KF-250 handle thick or heavy paper stocks?

A: Yes, the KF-250 supports paper weights from 120 gsm up to 350 gsm, making it suitable for heavy card stock and digitally printed materials.

Q: Does the COUNT™ KF-250 require an in-line creaser to operate?

A: No, the KF-250 is a stand-alone knife folder, but it is commonly paired with existing creasers or slitter/cutter/creasers for finished jobs.

Q: What fold styles can be produced on the COUNT™ KF-250?

A: The KF-250 offers automatic setup for six standard fold types and includes memory slots for saving custom fold configurations.