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How to Connect the vFairs On-site Mobile App to the vFairs On-site Windows Application

To enable onsite badge printing, you must connect the vFairs On-site mobile app to the vFairs On-site Windows application, which acts as the bridge between the mobile app and the printer. This guide will take you through the full setup and connection process.

Before You Begin

Make sure you have the following:

  • Supported on-site printer.

  • Printer hardware fully set up with badges/ribbons installed

  • Windows laptop/PC

  • USB cable to connect the printer to the laptop (included with the printer)

  • Router or network, if needed

  • vFairs On-site mobile app login credentials

  • Stable internet connection

Important: Both the Mobile App and Windows App must be logged in using the same credentials to establish a connection.


Hardware Setup

If you have not yet set up your printer hardware, please follow the instructions in the dedicated setup guides below before continuing.

Hardware Setup Guides

🔗 Zebra ZC10L Printer Hardware Setup

Zebra ZC10L Setup

🔗 Epson CW-C4000 / CW-C3500 Printer Hardware Setup

Epson CW-4000 / CW-3500 Setup

🔗 Evolis Primacy Printer Hardware Setup

Evolis Primacy Setup

If you are unsure how to load badges, install ribbons, or configure your network, use the relevant guide above before proceeding.

Step-by-Step Setup Instructions

Step 1: Log In to the vFairs On-site Mobile App

Log in to the app using your event credentials.

You will likely have already completed this step before accessing this article.

Screenshot 2025-11-20 at 2.28.52 PM

Step 2: Connect Your Printer Hardware

Ensure your printer is powered on, loaded with the correct badge stock and ribbon, and connected to the network if required.

Step 3: Connect the Printer to Your Windows Laptop

Use the USB cable included with the printer to connect it directly to your Windows laptop.

Note: The printer must be connected via USB before signing in to the Windows app. If it is not connected, it will not appear in the printer dropdown.

Step 4: Download & Install the vFairs On-site Windows Application

Download the latest version here:

🔗 Insert Download Link

Open the installer and follow the installation steps.

Step 5: Launch the Windows Application & Form the Connection

  1. Open the vFairs On-site Windows application

  2. Log in using the same credentials you used to log into the vFairs On-site mobile app
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  3. Select your printer from the Printer Selection dropdown


This is the step that forms the connection between the Windows App and the Mobile App. Both must be logged in with the same credentials.

Connection Complete

After login, the mobile app and Windows app will automatically sync.

You can now:

  • Scan attendees

  • Print badges directly from the mobile app through the Windows-connected printer

Troubleshooting

Issue

Possible Cause

Solution

Printer not showing in dropdown

Printer not connected via USB or driver not installed

Reconnect the USB cable, restart the printer and laptop, and ensure the correct drivers are installed

Mobile app does not connect to Windows app

Different login credentials used on each app

Log out from both apps and log back in using the exact same credentials

Badges not printing

Incorrect printer selected or wrong media configuration

Re-select the correct printer and verify badge size / media settings

Printer detected but not printing correctly

Printer is offline or USB port not responding

Power cycle the printer, try a different USB port, and restart the laptop

Badge printing alignment or blank print

Wrong template or media alignment

Check template settings, verify badge dimensions, and realign loaded badge stock