3D Lab Tech

Voron Tap Kit

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Voron Tap Kit

The Voron Tap Kit is a nozzle-based z-probe for the V2 and Trident printer designs. The entire toolhead moves to trigger an optical switch.

It comes in two official flavors/form factors:

V1: smaller form factor, 5V only

V2: taller form factor, 5-24V capable

To learn more about the different Voron OptoTap versions click here.

Tap offers many advantages over other z-probes; Here are a few examples:

A well constructed Tap, when in service on a well-constructed printer, will be able to measure your Z position reliably with a precision of 0.4 μm
(0.0004 mm). This precision will help you better use and maintain your printer.

Tap can measure any securely mounted build surface. Print on Glass, Garolite, Alumina, Moon dust…it no longer matters. Textured plates are ideal for
Tap, but adhesive PEI sheets may also be used. Tap is unaffected by beds with magnetic fluctuations (note: magnets may affect the build surface Tap
is sensing, such as pulling the plate tighter over the magnet). Once Tap is setup, you should not need to recalibrate after changing nozzles or build

Tap uses light to detect movement and will never wear out. The sensor in Tap is rated to operate at 70C to 100C and will not degrade over time the
way a contact switch or inductive probe can. Even if you brought your chamber temperature to 100C, it will accurately and reliably record your printer
melting (assuming you printed in ABS). We tested dozens of printers and thousands of print hours. Hundreds of PIF quality kits were printed using
Tap. Some test printers had over 1,000,000 probe cycles to test durability.

For consistent probing temperatures, Tap uses a single ‘activate_gcode’ macro in the [probe] config. Tap is always ready to probe and requires no
docking or undocking moves.

There is no need for a separate Z endstop. Once the offset is configured, it will hold without appreciable drift. It is normal to need slightly different
offsets when switching between filament types.

With Tap installed, the nozzle and bed are protected from minor crashes (such as accidentally setting your Z to 1 mm below the build surface, or
running into a curled up print). In extreme crashes, Tap can break away completely, saving you from a hidden break elsewhere in your printer.

More information can be found here on the Voron Github page.


Qty 1 – Robotdigg 440C Stainless Steel rail 50mm MGN9H with Medium Preload
Qty 2 – 6x3mm Cylinder magnet N52
Qty 11 – Heatset Inserts
Qty 1 – M3 Hexnut
Qty 6 – M3 Washers
Screws are all Black Oxide Grade 12.9 and work excellent with magnets
Qty 2 – M3 x 20 SHCS
Qty 2 – M3 x 16 SHCS
Qty 1 – M3 x 12 SHCS
Qty 3 – M3 x 8 SHCS
Qty 1 – M3 x 6 SHCS
Qty 2 – M3 x 6 FHCS
Qty 2 – M3 x 10 BHCS
Qty 10 – M3 x 6 BHCS
Qty 1 – OptoTap PCB Rev 1.0 5v with OPB666N sensor
We chose the OPB666N sensor to use because of it’s high temp rating of 100C. Other sensors are only rated to 70C.

V2 – 5-24v will also include:
Qty 3 – JST-PH crimp terminals
Qty 1 – JST-PH 3 position connector

Weight.1 kg
Dimensions10 × 7 × 2 cm
OptoTap Voltage

V1 – 5v, V2 – 5-24v


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