LPKF ProtoPrint S4

SMT stencil printer for fine-pitch SMD prototyping

  • SMD fine-pitch printing up to 0.4 mm
  • Application of solder pastes
  • Printing of double-sided printed circuit boards
  • Parallel separation of stencil and PCB
SMT stencil printer LPKF Edition SMT ProtoPrint S4

SMT stencil printer for PCB prototypes

Reproducible solder paste printing in the PCB lab

LPKF Edition SMT ProtoPrint S4 - Professional fine-pitch SMD prototyping and small batch production of high-end products.


When assembling printed circuit boards with tiny SMD components, the developer is dependent on an exact application of solder paste. A large number of different solder deposits can be realised safely and quickly in a single operation using stencil printing.

With the ProtoPrint S4, LPKF offers a manual stencil printer for precise printing results. The device is suitable for single-sided and double-sided printing of PCB prototypes as well as small batches. The LPKF Edition SMT ProtoPrint S4 uses stainless steel stencils. Due to an integrated clamping frame, polyimide foils can also be used. Depending on the stencil material, the appropriate squeegee material is defined.

The LPKF Edition SMT ProtoPrint S4 offers high positioning accuracy, SMD fine pitch printing, adjustable print height and easy clamping of stencil frames. The flat base plate offers enough space for magnetic PCB holders. Three micrometer screws for the X, Y and the rotation angle on the plate are used for fine positioning of the PCB.

Optimised data for a perforated polyimide foil stencil can be easily generated from the PCB layout data using the LPKF CircuitPro software. An LPKF ProtoMat conveniently mills out the stencil - the solder paste can be printed after just a few minutes.


LPKF Edition SMT ProtoPrint S4 (pdf - 269 KB)
Rapid PCB Prototyping Product Catalog (pdf - 3 MB)
LPKF TechGuide Rapid PCB Prototyping (pdf - 3 MB)

SMT / Finishing: Products and systems at a glance

Systems for solder paste application
Systems for SMD assembly
Systems for reflow soldering
Solder resist and legend printing
LPKF Edition SMT ProtoPrint S4 fine-pitch stencil printer

Manual SMD fine-pitch stencil printer for precise application of solder paste to circuit boards.

LPKF Edition SMT ProtoPlace E4 pick & place system for SMD assembly of PCB prototypes

Manual pick & place system for SMD assembly of PCB prototypes and small series in the laboratory.

Reflow oven LPKF Edition SMT ProtoFlow S4

Reflow oven for SMD soldering, also with lead-free, RoHS-compliant solder. The system also cures the ProConduct through-hole plating paste.

With LPKF ProMask, printed circuit boards can be quickly and easily equipped with solder resist masks. The LPKF ProLegend assembly print identifies the position of the components on the printed circuit board and can be used for any labeling. Both processes are based on manual lacquer application.


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