Olympus OEP-3 Service Manual page 138

IC5, pin 6
Normal H
Power up L
Power down H
4-3-4. Outline of Sensor Detection Circuits
A sensor is mainly classified into the following three types.
A ribbon code sensor, paper jamming sensor, and platen chuck sensor perform the A/D conversion input
according to the change with the passage of time in a sensor level.
Interruptive type
. Platen home position sensor
. Ribbon take-up FG sensor
. Ribbon supply FG sensor
. Ribbon cartridge sensor
. Head position sensor
. Head position FG sensor
. Paper feed timing sensor
. Delivery timing sensor
. Paper feed FG sensor
. Paper sensor
. Tray position sensor
Reflective type
. Platen chuck sensor
. Paper jamming sensor
Transmission type
. Ribbon code sensor
4-30
IC5, pin 7 Output current value
L 860 mA
L 1200 mA
H 430 mA
OEP-3 V1 (UC)