Ricoh D391, Service Manual

Page: 314 / 490

SW2
Adjustment
1 2 3 4 5 6 7 8
Up * * * * * * * Timing Sensor
* Up * * * * * * Cover Registration Sensor
Up Up * * * * * * Cover Horizontal Registration Sensor: Small
* * Up * * * * * Cover Horizontal Registration Sensor: Large
Up * Up * * * * * Book Exit Sensor
* Up Up * * * * * Cutter Entrance Sensor
Up Up Up * * * * * Signature Registration Sensor
* * * Up * * * * Trimmings Buffer Full Sensor
Up * * Up * * * * Leading Edge Sensor
Up Up Up Up * * * * All Sensors
1. Push [PSW1] to confirm that there is no paper at the sensor position.
• While doing adjustments LED1, LED2 flash at 1 sec. intervals and LED3 remains off.
• When the adjustment of the D/A output value of an emitter sensor is within range for the receptor
sensor A/D input, the D/A output is written to and store in the EEPROM. LED2 goes OFF after the
adjustment is completed.
• If the value of the emitter sensor LED D/A output is changed when the value is at its maximum or
minimum setting, and if this new setting is out of the acceptable range for the receptor sensor LED A/
D input, this causes a sensor adjustment error (LED1 flashes at 0.1 sec. intervals, LED2, LED3 go ON).
Note:
• When a sensor adjustment error occurs, push [PSW2] to cancel the EEPROM write operation and
shift to adjustment mode standby.
• Adjustment of the cutter entrance sensor, signature registration sensor, and all other sensors must be
done with the front doors closed. Before adjusting the cutter entrance and signature registration
sensors, for example, the signature grip motor and signature press motor must be moved to their
adjustment positions. Doing these adjustments with the front doors open will cause a signature grip
motor error or press motor error.
LED1 LED2 LED3 Status
FLASH OFF OFF Adjustment mode standby, or adjustment completed.
4. Troubleshooting
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