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DocuColor 12/DCCS50
9-634 ADC Out Of Range RAP, 9-662 LD Out Of
Status Indicator RAPs
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9-634 ADC Out Of Range RAP
The selected gain for ADC was out of range.
Initial Actions
• Refer to BSD 9.8 and BSD 9.15 for the following procedure.
• Clean the ADC Sensor.
• Clean the IBT Belt.
• Check that the P/J139 on t
he ADC Sensor PWB, IBT connector J702A, J702B and P/
J416A on the IOT Drive PWB are firmly connected.
Procedure
Go to Flag 7 and Flag 8 on BSD 9.8. Check the wires for an open circuit or a short circuit. If the
wires are good, replace the ADC Sensor (PL 7.5). If the problem continues, replace the IOT
Drive PWB (PL 9.2).
9-662 LD Out Of Range RAP
The selected LD value was out of range.
Initial Actions
• Refer to BSD 9.1and BSD 9.15 for the following procedure.
• Clean the ESV Sensor.
• Check that P/J1
41 on the ESV Sensor, and P/J422A on the IOT Drive PWB are firmly
connected.
Procedure
Perform the following in the order listed.
• Go to the IQ 38 Ch
arge Corotron HVPS RAP and check the Charge Corotron HVPS for
proper operation.
• Ensure that the Charge Corotron Wire and Grid are in good condition.
•Go to Flag
6 and Flag 7 on BSD 9.1. Check the wires for an open circuit or a short circuit.
If the wires are good, replace the ESV Sensor (PL 5.1). If the problem continues, replace
the IOT Drive PWB (PL 9.2).
• Replace the Xerographic CRU (Drum) (Section 6, M
achine Consumables).
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