Ricoh D131 - Page 486

SC300: Image Development 1
SM Appendix 2-19 D131/D132/D133
Appendix:
Service Call
Conditions
SC377-00
C
ID sensor error: Potential surface reading error
The Vp value, which measures the reflectivity of the ID sensor
pattern, was not in the range of -70V to -400V.
-
 Potential sensor defective
 Potential sensor harness defective
 Potential sensor disconnected
 IOB defective
 OPC unit connector defective
 Charge corona power pack defective
 Charge corona wire dirty, broken
SC378-00
C
ID sensor pattern error
One of the following ID sensor output voltages was detected twice
consecutively when checking the ID sensor pattern.
 Vsp greater than or equals 2.5V
 Vsg less than 2.5
 Vsp = 0V
 Vsg = 0
-
 ID sensor defective
 ID sensor harness disconnected
 ID sensor connector defective
 IOB defective
 ID sensor pattern not written correctly
 Incorrect image density
 Charge power pack defective
 ID sensor dirty