Ricoh D065 Service Manual page 463

Service Call Conditions
Charge power pack defective
ID sensor dirty
ID sensor error 3
C
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
352
ID sensor connector defective
IOB defective
-
ID sensor pattern not written correctly
Incorrect image density
Charge power pack defective
ID sensor dirty
ID sensor error 4
One of the following ID sensor output voltages is detected at ID sensor
initialization.
C
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.
353
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
D062/D063/D065/D066 3-18 SM Appendix