Ricoh Pro 8310 - Coated Paper Throughput Optimization

1.SC Codes
170
Solution
* Execute "Fusing SC Reset" (SP5-810-001) in SP mode every time you replace components, and then
turn the main power OFF and ON
Be careful not to bend the pins of the connector,
1. Replace the AC control board.
2. Replace the IOB.
3. Replace the sensor.
SC554-02
Error Name
Hardware High Temperature Detection (Sensor 2)
Pattern
A
Error Condition
 Heating Roller Ends: T35
 Abnormal high temperature above 270°C is detected from the sensor.
(It is not detected when the fusing lamp relay is disconnected.)
Major Cause
 AC control board is defective (loading triac defective).
 IOB is defective (fusing unit control going out of control).
 Thermopile (heating roller ends) (SEN57) is defective.
Solution
* Execute "Fusing SC Reset" (SP5-810-001) in SP mode every time you replace components, and then
turn the main power OFF and ON.
Be careful not to bend the pins of the connector.
1. Replace the AC control board.
2. Replace the IOB.
3. Replace the sensor.
SC557-00
Error Name
Zero Cross Frequency Over
Pattern
C