How thick paper affects jams, curling, and fusing

Many people assume “heavier paper = better quality,” but thicker paper isn’t always perfect. Paper weight affects feeding, curling, toner adhesion, and fusing stability.

Key points

  • Jams: Very thick or very thin paper can cause feeding issues. Always match paper weight to printer spec.
  • Curling: Heavier paper resists curling better, but humidity + temperature can still cause curl.
  • Fusing: Thick paper may require the printer to apply more heat or slower speed to fuse toner properly.

Quick tips

  1. Check your printer’s recommended paper weight range.
  2. For double-sided printing, 80–100gsm usually works best for office printers.
  3. Store paper in a dry, flat environment to reduce curl and jams.

Using consistent paper weight and quality is one of the easiest ways distributors and channel partners reduce complaints. That’s why ASTA recommends pairing stable paper specifications with toner guidance—so every print comes out consistent and reliable.