Photocopy -- 1 copy operation -- transcribed by reader R2
Authored teaching scenario. Every transcription below was constructed to show how readers resolve a damaged mark. None of it was recorded from a real photocopier or a real reader.

COPY ROOM TEST CARD 0S1I-B85l
L1  The clerk in Room 108 filed 1,051 slips before noon.
L2  0O0O 1lI1lI 5S5S 8B8B 2Z2Z 6G6G 9g9g
L3  Illinois milliner billed Bill 100 lOO l00 1OO
L4  Order 5,108 for Room B25 by 09:15 on 28 June.