Word Processing Printer Interface Assembly from Canada
Printed circuit assembly for connecting and controlling dot-matrix printers in 8472.90.50 word processing machines. It manages parallel port protocols for high-speed text printing, under HTS 8473.40.21.00 as a dedicated part. Optimized for continuous form paper handling in office environments.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide protocol specs (e.g
• Epson ESC/P) proving incompatibility with general printers
• Bundle with machine service manuals in documentation for classification support
• Watch for reclassification if board supports USB, pushing to modern ADP codes