Xerox 8830 Service Manual

Also see for Synergix 8830: User guide Setup guide User guide Release note Operator's manual

Xerox 8830 Service Manual Manual pdf 50 page image

Sensor RAPInitial Actions• This procedure can be used to check anySensor.• Ensure that the Sensor is not blocked.• Clean the Sensor surfaces before usingthis procedure.ProcedureEnter DIAGNOSTICS (General Procedures).Enter code [xxxx] to test the Sensor (Refer toappropriate BSD for the specific code). Blockthe Sensor.The Display toggles between [1] and [0].Y NThere is 4-1.4 -/+0.2 VDC at J1/P1 pin 1of the PWB.Y NThere is 4-5 +/-0.3 VDC at J1/P1 pin2 of the PWB.Y NSwitch off the power. There Isless than 2 Ohms from J1/P1pin 2 to the machine frame.Y NI Replace the PWB.Disconnect J1. There is lessthan 2 Ohms from J1/P1 pin 2 tothe machine frame.Y NCheck the wire at J1/P1 pin 1for a short circuit.If the wire is good, replace theSensor.Replace the PWB.Check the wire at J1/P1 pin 2 for anopen circuit.If the wire is good, replace the Sensor.A BA BThere is +11.5 VDC at J1 pin 1 of the PWB.Y NI Replace the PWB.Check the wire at J1/P1 pin 1 for an open circuit.If the wire is good, check the wire at J1/P1 pin 3for an open circuit.If the wire is good, replace the Sensor.Block the Sensor. The Message Display indicatesHIGH.Y NThere is +11.5 VDC at J1 pin 1 of the PWB.Y NCheck the wire at J1/P1 pin 1 for a short circuitto ground.If the wire is good, replace the Sensor.Replace the PWB.The Sensor and its circuit appear to be operating norm-ally, check the adjustment or alignment of the Sensor.Generic Sensor RAP 1/982-16 8830