Ricoh Di-C1.5a Manual page 226

Paper Size Detection – Bypass Tray
A length sensor is added.
This helps the machine to distinguish between these pairs of
paper sizes, which have the same width
A4 SEF and A5 LEF
A3 SEF and A4 LEF
The sensor cannot distinguish between LT and LG SEF.
This must be pre-set with SP 1007-1
Slide 226
No additional notes
Paper Width
Sensor
226
Di-C1.5 Training
Paper Length
Sensor