Ricoh D131 - Page 484

SC300: Image Development 1
SM Appendix 2-17 D131/D132/D133
Appendix:
Service Call
Conditions
SC370-01
C
ID sensor adjustment error: LED output abnormal
One of the following ID sensor output voltages is detected at ID
sensor initialization.
 Vsg less than 4.0V when the maximum PWM input (255) is
applied to the ID sensor.
 Vsg greater than or equal to 4.0V when the minimum PWM
input (0) is applied to the ID sensor.
-
 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
SC370-11
C
ID sensor adjustment error: Timeout error
Vsg falls out of the adjustment target (4.0 ±0.2V) during Vsg
checking within 20 sec.
-
 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