Ricoh Pro 8300S - Exposure Potential: Vpl Adjustment Error (K); Image Transfer Error Detection (Leak); Sc412-11; Sc440-01

1.SC Codes
70
SC400
SC412-11
Error Name
Exposure Potential: Vpl Adjustment Error (K)
Pattern
D
Error Condition
This SC is detected when the targeted halftone pattern cannot be reached during process control.
Major Cause
 Density is uneven in low humidity (closed space).
 Drum deterioration
 PCDU deterioration
 Fusing exhaust filter is dirty.
Solution
1. Perform troubleshooting for uneven density in low humidity (closed space).
2. Replace the drum.
3. Replace the PCDU.
4. Replace the fusing exhaust filters.
SC440-01
Error Name
Image Transfer Error Detection (Leak)
Pattern
D
Error Condition
This SC occurs when there is image transfer power pack output leakage.
Major Cause
 Image transfer roller has worn out.
 Image transfer belt is scratched, dirty, or the belt broken.
 Image transfer roller is defective (foreign particles on it, dirty).
 Image transfer roller and are not properly connected.
 IOB connection failure