The Problem: Traditional Direct Mail Doesn't Get Opened
Digital ads are saturated, and printed letters look like generic spam. Authentic handwritten direct mail achieves up to 99% open rates and 3x to 5x higher response rates than standard print.
However, scaling personalized handwriting presents severe bottlenecks:

The Solution: iAuto Plus 2.0, The Next-Gen AI Automatic Writing Machine
Engineered for high-volume print shops, marketing agencies, and enterprise fulfillment centers, the iAuto Plus 2.0 brings complete optical & mechanical autonomy to handwriting production—delivering thousands of authentic letters on full autopilot.
- Mechanical alignment guides
- Paper moves back-and-forth (Risk of smudges & wear)
- Frequent paper jamming on thick stock
- Manual recalibration & continuous monitoring required
- Gantry Stationary Architecture: Paper stays 100% fixed
- Real-Time Optical AI dynamic angle recalculation
- Zero-Jam 30mm Feeder (Holds up to 250 sheets / 95 envelopes)
- True zero-human-intervention direct mail autopilot
Core Innovations & Engineering Breakthroughs

1. Optical AI Vision for Zero Alignment Errors
No two envelopes or cards enter the feeder perfectly straight. Integrated AI camera sensors scan the leading edge of every single document as it feeds, calculating tilt angles in milliseconds and dynamically adjusting the writing coordinates. Every line of text prints straight and parallel.
Not Just a Camera:
Real-Time Optical AI for Zero-Alignment Precision
Is it just a camera? No—it’s an active computational vision engine. Traditional machine vision simply stops the system when paper feeds unevenly. Our integrated Optical AI dynamically scans the leading edge of every envelope and card in milliseconds, calculating fractional tilt angles on the fly.
Instead of forcing manual realignments, the AI automatically rotates and recalculates write trajectories in real time—ensuring every line of text prints completely straight, even on imperfectly fed stock.
2. Gantry "Pen Moves, Paper Stays" System
Traditional automatic pen plotters feed paper back and forth during writing, leading to paper slippage, edge wear, and ink smudges. The iAuto Plus 2.0 locks the paper flat during the entire writing process while the robotic arm moves above it, delivering pin-point trajectory precision.


3. 36% Lighter with Extended Component Lifespan
By replacing physical limit switches with contactless X-axis sensors, mechanical friction and wear are eliminated. Structural redesign drops total weight from 22 kg to 14 kg, making multi-unit transport and desktop setups effortless.
4. Expanded 30mm Heavy-Duty Feeder (Up to 250 Sheets / 95 Envelopes)
Capacity: Holds up to 250 sheets of paper or 95 thick envelopes per run. Multi-Feed Prevention: Redesigned separation mechanism reduces double-feeding risks to a theoretical 0%.
No Output Tray Needed: Completed letters automatically eject from the front, streamlining your desk layout.

How It Works in 4 Simple Steps
Go from spreadsheet to thousands of authentic handwritten letters on autopilot.
Import Your Data
Connect your Microsoft Excel or CSV mailing list directly into the UUNA TEK software[cite: 1].
Select or Create Your Font
Choose from built-in handwriting styles or generate your own custom handwriting font for free[cite: 1].
Load the Feeder
Stack up to 250 sheets of paper or 95 envelopes in the tray[cite: 1].
Press Start
The AI camera aligns each piece as the machine writes and ejects completed pieces automatically.
Enterprise Software & Fleet Ecosystem

Comprehensive Specifications & Comparison
Explore technical capabilities, inbox items, and generation upgrades for the iAuto Plus 2.0.
Technical Highlights
380 × 390 × 250 mm (270 mm height w/ cover) | Net: 14 kg (30.8 lbs) | Gross: 23 kg
Up to A3 Size (#10, DL, A7, A2 envelopes, A4, A5, 5"x7", 4"x6" cards | Word, Excel, SVG, PDF, Docx)
≥30 mm Tray Depth (Holds 250 letters / 95 envelopes, theoretical 0% double-feed)
90g to 300g Stock (Fountain, gel, markers, fine-liners; universal 8–15mm clamp)
6× Precision Motors | Overhead AI Vision (Real-time leading-edge tilt correction)
5G Wi-Fi, USB | Open SVG API (Optional RJ45 Ethernet, 2.4G Wi-Fi & QR Scanner support)
24V / 2.5A (110–240V) (Windows x64/ARM, macOS M1-M4/Intel, Linux for Font Creator)
Full Technical Specifications
| Product Model & Color | UUNA TEK® iAuto Plus 2.0 (Next-Gen Flagship) | Enterprise Matte White |
| Motion Architecture | Overhead Gantry "Pen Moves, Paper Stays" Stationary-Paper Architecture |
| Motors & Drive System | 6× Precision Motors with 64-bit Exclusive Motherboard and External Drivers |
| Sensors & Ejection | Contactless Optical X-Axis Sensor (Frictionless) | Front Auto-Ejection Mechanism |
| Feeder Capacity & Separation | ≥30 mm Tray Depth (Up to 250 letters / 95 envelopes) | Theoretical 0% Double-Feed Rate |
| Max Operating Size | A3 Size (420 × 297 mm / 16.53 × 11.69 in) |
| Supported Envelopes & Cards | Envelopes: #10, DL, A7, A2 | Cards: 4"x6", 5"x7", A6 | Documents: US Letter, Half Letter, A4, A5, A3 |
| Supported Paper Weight | 90g to 300g Cardstock, Dark Stock, and Standard Envelopes |
| AI Vision Alignment | Pre-installed AI Camera Module with real-time leading-edge tilt calculation |
| Connectivity & Options | Standard: 5G Wi-Fi, USB | Optional Factory Customization: Direct RJ45 Ethernet (with 2.4G Wi-Fi) & Barcode/QR Scanner support |
| Software & Fleet Management | Human Font Deformation Engine | Controls up to 200 units simultaneously | Open SVG API Documentation included |
| Power Requirements | 24V / 2.5A DC Adapter (Universal Input 110–240V AC) |
| Dimensions & Weights | Product: 380 × 390 × 250 mm (270 mm with cover) | Net Weight: 14 kg (30.8 lbs) | Gross Weight: 23 kg (50.7 lbs) |
📦 What’s Included in the Box?
iAuto Plus 1.0 vs. iAuto Plus 2.0
| Feature | iAuto Plus 1.0 (Previous Gen) | iAuto Plus 2.0 (Next Gen) |
|---|---|---|
| Motion Mode | Paper-feeding mode (Paper moves back & forth) | Gantry Architecture (Pen moves overhead, paper stays fixed) |
| Alignment | Mechanical physical alignment | AI Camera edge detection + Real-time dynamic tilt correction |
| Net Weight & Power | 22 kg (48.5 lbs) | 24V / 6A | 14 kg (30.8 lbs) — 36% Lighter | 24V / 2.5A |
| Feeder Capacity | Up to 210 sheets / 80 envelopes (27 mm tray) | Up to 250 sheets / 95 envelopes (≥30 mm tray, theoretical 0% double feed) |
| Output Mechanism | External output tray required | Front auto-ejection (No output tray needed) |
| X-Axis Sensor | Contact limit switch | Contactless optical sensor (Extended lifespan) |
| Developer Integration | Open SVG API (Standard fleet control & raw SVG stream) | Upgraded Open SVG API + QR/Barcode Scanner Support (Documentation included for self-hosted developer integration) |



