Ricoh D131 - Page 485

SC300: Image Development 1
D131/D132/D133 2-18 SM Appendix
SC375-00
C
ID sensor error: Drum surface voltage error
The ID sensor output voltage is 5.0V and the PWM signal input to
the ID sensor is 0 when checking the ID sensor pattern.
-
 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
SC376-00
C
ID sensor error: Pattern edge detection failed
For 2 s during the ID sensor pattern check, the ID sensor pattern
edge voltage is not 2.5V or the pattern edge is not detected within
800 ms.
-
 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