Setting up QR code printing from a mobile phone simplifies wireless printing, ideal for home or small-office use. Most modern printers (inkjet/laser) support this via built-in Wi-Fi, Bluetooth, or manufacturer apps.

First, ensure compatibility: Check if your printer has Wi-Fi/Bluetooth and supports “QR Code Printing” (listed in the printer’s specs or manual). Download the printer’s official app (e.g., HP Smart, Canon PRINT Inkjet/SELPHY, Epson iPrint) on your phone (iOS/Android).

Step 1: Connect the printer to Wi-Fi. Use the printer’s control panel to select your Wi-Fi network and enter the password. Alternatively, use “Wi-Fi Direct” (printer creates a temporary network) if no router is available.

Step 2: Generate a print QR code. Open the printer app, sign in (if required), and select “QR Code Print” or “Mobile Print.” The app will generate a unique QR code—this links your phone to the printer.

Step 3: Prepare the document/image on your phone. Open the file (e.g., photo, PDF) you want to print, tap the “Share” icon, and select the printer app. Or, within the app, tap “Print” and upload the file.

Step 4: Scan the QR code (if needed). Some printers display the QR code on their control panel—use your phone’s camera (or the app’s “Scan” feature) to scan it. This pairs your phone with the printer instantly.

Step 5: Adjust print settings. Select paper size (e.g., A4, 4x6 for photos), print quality (draft/normal/high), and number of copies. Tap “Print”—the file will send to the printer via Wi-Fi/Bluetooth.

Troubleshooting: If printing fails, ensure phone and printer are on the same Wi-Fi (or Wi-Fi Direct is active), the QR code is not blurry, and the app is updated. For older printers without app support, use third-party apps like “PrintHand” (supports QR code pairing for compatible models).

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