Ricoh MP9000

Error Code:

Code: SC400
Description: ID Sensor Error 1: Background Adjustment Error
One of the following ID sensor output voltages was detected for Vsg (the reading of the bare drum surface) at ID sensor initialization.
• The reading was less than 4V at PWM=255 (Maximum PWM).
• The reading was over 4V at PWM=0 (Minimum PWM)
Causes: • ID sensor harness, connector was loose, broken, defective
• ID sensor dirty
• ID sensor defective
• IOB defective
• BCU defective
• LD unit defective
• CGB/PPG power pack defective

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