Original Size Detection - Ricoh B230 Training Program

Reflective photosensors detect the size.
APS sensors.
There are two width sensors and three length sensors. The service manual
shows where these sensors are located.
The CPU checks the sensors when the platen cover sensor detects that the
cover is being closed.
If the cover stays open during copying, the CPU checks the sensors when the
Start key is pressed.
Make sure that you are familiar with the table of sensor output vs original size.
Make sure that you understand what happens when all sensors are off (such as when
A5 sideways is set - too small for the sensors to detect).
Use SP 4-303 this to select the machine's behaviour if the sensors cannot
detect the size.
Use SP 5126 to control the size that is detected for the 'F' sizes, which are very similar
(8½ x" 13", 8¼" x 13", 8" x 13").

Original Size Detection

Platen Cover
Sensor
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