Dell 2130cn Service Manual page 287

Step
Checking the connectors of the Exit Sensor in the FUSER
ASSY for connection
Check the connections between the PWBA MCU and
FUSER ASSY.
Are P/J17 and P/J171 connected correctly?
11
Checking the HARN ASSY FUSER2 for continuity
Remove the FUSER ASSY.
12 Disconnect J17 from the PWBA MCU.
Is each cable of J17 <=> P171 continuous?
NOTE: P171 is attached to the frame.
Checking the power to the Exit Sensor in the FUSER ASSY
Disconnect the connector of J17 on the PWBA MCU.
13
Is the voltage across J17-1pin <=> ground on the PWBA
MCU, about +3.3 VDC?
Checking the Exit Sensor for operation
Check the voltage across J17-3pin <=> ground on the
14 PWBA MCU.
Does the voltage change, when the actuator of the Exit
Sensor is operated?
Check
1 - 261
Chapter 1 Troubleshooting
Remedy
Yes
Reconnect the
connector(s) P/
Go to step 12.
J17 and/or P/J171
correctly.
Replace the
Go to step 13. HARN ASSY
FUSER2.
Replace the
PWBA MCU.
Go to step 14. (Refer to Removal
43/ Replacement
11.)
Replace the Replace the
PWBA MCU. FUSER ASSY.
(Refer to Removal (Refer to Removal
43/ Replacement 5/ Replacement
11.) 49.)
No