Ricoh Aficio SP 100 Service Training page 51

Flatbed vs ADF Scanning
Flatbed scanning ADF scanning
For flatbed scanning the original is placed at the left-rear.
During ADF scanning the original passes over the center of the CIS.
Flatbed scanning can be done with the M102 and M103. ADF
scanning is only possible with the M103.
No additional notes.
51