---
title: Direct ink writing on NanoPaper
description: Build a repeatable direct-ink-writing trial with supported NanoPaper, diagnostic patterns and checks of the processed result.
---

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# Direct ink writing on NanoPaper

Start with a supported sheet and a diagnostic pattern. Establish deposition consistency before moving to a complete antenna, electrode or sensor.

[Set up](https://docs.nanopaper.io/printing/direct-ink-writing/#setup)[Print](https://docs.nanopaper.io/printing/direct-ink-writing/#print)[Inspect](https://docs.nanopaper.io/printing/direct-ink-writing/#inspect)[Troubleshoot](https://docs.nanopaper.io/printing/direct-ink-writing/#troubleshoot)

## 1. Stabilize the printing surface

Prepare the sheet using the Handling guide and support it flat without pulling it into tension. Keep clamps, tape edges and other raised features outside the print and travel paths. Follow the dispensing equipment’s height-measurement and calibration procedure.

| Record | Record for comparison |
| --- | --- |
| Sheet and support | Thickness, printed side, preparation, support and restraint help explain differences between runs. |
| Ink and nozzle | Record the ink identity and preparation, nozzle geometry and condition. |
| Deposition controls | Record print height, speed, dispensing controls and tool temperature where used. These are a coupled setup; changing one can change feature shape. |

## 2. Print a small diagnostic coupon

Use straight traces, starts and stops, corners, gaps and filled pads representative of the intended device. Include repeated features at different positions on the sheet. Save the pattern file and its target dimensions.

Check flow before the trial. Print a baseline, inspect it, then change one setting deliberately. Recheck the baseline periodically so drift is not confused with improvement.

## 3. Check the processed result

Keep wet-print observations separate from results after drying and curing. Record the full thermal sequence, not only the peak setting.

- Measure printed line width, gaps and continuity at consistent locations.
- Measure resistance using a documented contact arrangement and geometry.
- Assess adhesion, sheet flatness and handling using a defined procedure.
- For a functional prototype, record the device result as a separate endpoint.

## Troubleshooting checks

| Observation | First checks |
| --- | --- |
| Interrupted or inconsistent traces | Confirm stable flow, nozzle condition and support/height mapping before changing the design. |
| Wide lines or closed gaps | Compare deposited quantity, travel speed, print height and ink spreading on the same diagnostic pattern. |
| Print changes across the sheet | Check local flatness, support and height-map coverage; repeat a reference feature at more than one location. |

## Demonstrations

[Copper RFID prototype](https://docs.nanopaper.io/blog/copper-rfid-prototype-on-nanopaper?hsLang=en) connects deposition to processing, component attachment and a reader response. [Capacitive touch](https://docs.nanopaper.io/blog/capacitive-touch-on-nanopaper?hsLang=en) follows silver electrodes through lamination and functional testing.

[Technical data sheets](https://docs.nanopaper.io/material/tds/?hsLang=en)[Handling and preparation](https://docs.nanopaper.io/getting-started/handling-storage/?hsLang=en)[Thermal processing and color](https://docs.nanopaper.io/blog/understanding-nanopaper-thermal-processing?hsLang=en)

## What are you developing?

Share a short, non-confidential summary of the pattern you want to print, your ink and equipment, and the result you need.

[Discuss your application](https://docs.nanopaper.io/application-inquiry/?hsLang=en)[All process guidance](https://docs.nanopaper.io/getting-started/overview/?hsLang=en)

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