Ricoh Aficio 551 Copy Reference Manual page 130

Copying
When setting an original on the exposure glass or in the document feeder
using Batch (SADF) mode
Reference
P.36 "Batch (SADF) mode".
A Set the original, then press the {Start} key.
2
Note
Start with the first page to be copied.
B Set the next original. When it is placed on the exposure glass, press the
{Start} key.
C Press the {#} key after the last original has been scanned.
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