Sc4Xxx - Ricoh Aficio 240W Service Manual

4.2.4 SC4XXX

Group 4 SC codes are also related to image making.
400 D ID Sensor Auto Adjustment Error
Vsg did not get to
4 ±0.2 V when the ID
sensor was adjusted
automatically in the SP
mode.
401 D ID Sensor Vsg Error
The Vsg level was detected
lower than 2.5 V two times.
402 D ID Sensor Vsp Error
The Vsp level was detected at
0 V or more than 2.5 V for 2
consecutive copies.
440 D Transfer Output Error
A high voltage feedback
voltage of less than 1.0 V was
detected for 200 ms.
460-1 D DC Separation Corona Output Error
460-1 A dc separation feedback
voltage of less than 1.0 V was
detected after more than 200
ms while the PWM duty value
was more than 15%.
SM
SC CODE DESCRIPTIONS
• Clean the ID sensor.
• Check the ID sensor harness and
connector.
• Replace the ID sensor.
• Replace the MCU.
• Replace the development unit.
• Replace the CGB power pack.
• Clean the ID sensor.
• Check the ID sensor harness and
connector.
• Replace the ID sensor.
• Replace the MCU.
• Replace the development unit.
• Replace the CGB power pack.
• Under the left upper cover, make sure
that the hex screw of the main drive
gear of the drum is tight.
• Clean the ID sensor.
• Check the ID sensor harness and
connector.
• Replace the ID sensor.
• Replace the MCU.
• Replace the development unit.
• Replace the CGB power pack.
• Check and replace the high voltage
cable if necessary.
• Replace the CGB power pack.
• Check and replace the high voltage
cable if necessary.
• Replace the CGB power pack.
4-5 B125