Lexmark X746de Service Manual page 184

7526
Step Questions / actions
Place a voltmeter between fuser DC
3
autoconnect pin 3, and ground (pin 6).
Does the meter read +5 V dc?
Place a voltmeter between the JFUSER1, pin
4
3 and ground (pin 6).
Does the voltage drop to +5 V dc?
Service Manual
2-144
Yes
Go to step 5.
Replace the system board.
See
"System board
removal" on page 4-157.
No
Go to step 4.
Go to step 5.
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