Lexmark X746de Service Manual page 113

Step Questions / actions
1. POR the printer.
6
2. Place a voltmeter between the JFUSER1
pin 8 and ground (pin 6).
Does the meter read +5 V dc?
Place a voltmeter between the fuser DC
7
autoconnect pin 8 and ground (pin 6).
Does the meter read +5 V dc?
Pin 8 Pin 6
(ground)
Yes
Go to step 7.
Go to step 8.
7526
No
Replace the system board.
See
"System board
removal" on page 4-165.
Replace the fuser DC
cable. See
"Fuser DC
cable removal" on
page 4-115.
Diagnostic information
2-73
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