Your app is 64-bit, but the TWAIN driver is 32-bit (common for HP ScanJet G3110, G4050, etc.). Force your application to run in 32-bit mode:
HP stopped providing official Windows 10 TWAIN drivers for many legacy ScanJets. However, the works perfectly if manually installed.
when prompted (usually via USB 2.0; avoid USB 3.0 ports initially). hp scan twain driver windows 10
To get the best results on Windows 10, it is recommended to download the official HP package directly from the HP Customer Support site. HP Enterprise MFP - Install and Configure HP Scan Twain
A: Generally, no. TWAIN is a local protocol (USB/SCSI). HP’s TWAIN driver for network scanners (e.g., HP ScanJet Enterprise Flow) requires a separate "Network TWAIN" agent. Most consumer HP MFPs do not support TWAIN over network – only WIA. Your app is 64-bit, but the TWAIN driver
Look for the model number (e.g., HP ScanJet 8300, HP LaserJet MFP M277dw, HP OfficeJet Pro 8600).
On Windows 10, HP typically distributes the TWAIN driver as part of or bundled within the HP Full Feature Software and Drivers package. when prompted (usually via USB 2
For legacy scanners (pre‑2010), HP’s TWAIN driver is often broken on Windows 10. In that case, third‑party software (VueScan, SilverFast) or switching to WIA via Windows Scan is the practical path forward.
Before downloading anything, you must identify two things: