Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-314
5. Check the voltage supply (+5VDC) to the CTD
Sensor Assembly.
Measure the voltages between the MCU PWB
GND <=> P/J457-1 and between MCU PWB GND
<=> P/J457-6.
Is there a voltage (approx. +5VDC) output?
Go to step 6. Go to +5VDC Power
Troubleshooting on
page 2-457.
6. Check the connection in the CTD Sensor
Assembly.
Are the connectors P/J4573 and P/J4574
connected securely?
Go to step 7. Connect the
connectors P/J4573
and P/J4574.
7. Replace the CTD Sensor Assembly (REP 9.9 CTD
Sensor Assembly on page 4-175).
Does the error persist?
Replace the MCU PWB
(REP 12.4 MCU PWB
on page 4-206).
Troubleshooting
complete.
Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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