Scan to Computer Not Working — Scanner Communication and Driver Errors

Fix scanner 'Scan to Computer' feature not working when the multifunction printer cannot send scanned documents to the connected computer. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: Scan to Computer requires bidirectional communication between the printer and the computer. The printer must have the scan driver and utility software installed on the target computer. Wireless scanning requires both devices on the same network with discovery protocols enabled. USB scanning is more reliable but limits scanning to the directly connected computer. WSD (Web Services for Devices) or manufacturer scan software must be running on the PC. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: Scan driver or utility software not installed on the computer. WSD (Web Services for Devices) service disabled on the Windows PC. Firewall blocking the scanner discovery or communication protocol. Printer firmware does not support push-scan (scan initiated from the printer panel). Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Install the full printer driver package (not just the print driver) from the manufacturer's website. Enable WSD on Windows: Settings > Devices > Printers > Add a printer > The printer that I want isn't listed > Add via WS. Open the manufacturer's scan utility (HP Smart, Epson Scan, Canon IJ Scan) and verify it detects the scanner. Allow the scan software through the firewall: Windows Security > Firewall > Allow an app through firewall. For USB: ensure the USB cable supports data transfer (not charge-only) and try a different USB port. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

This article is part of our Printer Error Codes collection on Error Codes Wiki. We provide comprehensive, up-to-date information to help you find solutions quickly.