Ricoh BE-C1 D046 Field Service Manual page 491

ID sensor error 3: Vsp
The Vsp (reflectivity of ID sensor pattern) value was detected at "0" or more than
2.5V when the ID sensor was calibrated during process control.
• OPC drum gear Allen screw loose
• ID sensor dirty
SC402 B
• ID sensor harness loose, broken, defective
• ID sensor defective
• IOB defective
• Exposure unit defective
• Development unit defective
• TD power pack defective
ID sensor error 4: LED current error
During Vsg adjustment (reflectivity of the bare drum surface) during process control,
the averaged PWM output was zero or 255.
• ID sensor dirty
• ID sensor harness connection loose, broken, defective
SC403 B
• ID sensor defective
• IOB defective
• Exposure unit defective
• Development unit defective
• TD power pack defective
ID sensor error 5: edge detection error during calibration
The voltage reading of the ID sensor pattern during process control remained less
than 2.5V for more than 0.6 sec. during process control.
• ID sensor dirty
SC406 B
• ID sensor harness connection loose, broken, defective
• ID sensor defective
• IOB defective
• Exposure unit defective
• Development unit defective
SC Tables
5
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