I used to think that a "photocopier", was a machine that made duplicates of photographs as good as the originals, glossy paper and all. Ordinary Xerox machines were just plain "copiers".
A childhood belief about technology

others believed things like this
- I used to believe that fax machines and computers sent real sheets of paper through the lines.— H
- I used to believe fax machines instantly teleported a piece of paper to who ever you wanted. Anon
- I used to believe that the large building/skyscrapers that made smoke were "cloud machines"Anon
- i used to believe that our ansering machine was the washing machine and that it could talk
— tamara - i used to believe that the smurfs lived in ordinary mushrooms and i would never eat them!!!— eimear
- I was convinced that paper could only be made out of Birch trees (because they had white bark).Anon