Ricoh MT-C4 Manual page 57

ADF Original Size Detection
MT-C3
The MT-C4 uses an additional sensor.
This is similar to the V-C1.
SP6016 is also similar to V-C1, not MT-C3
Slide 57
In the scanner below the exposure glass, there are also some sensors, as in
previous models.
There are some differences between the Europe and North America versions
EU: Length sensor x 1
NA: Length sensor x 2
MT-C4
57
MT-C4 Training