Lexmark X746de Service Manual page 90

7526
Step Questions / actions
Check for the following continuity between the
7
DC autoconnect and JFUSER1 on the system
board.
Is continuity present?
Check for continuity between the following
8
pins of the AC autoconnect and the pins of
the connector that connects to the LVPS.
Is continuity present?
Service Manual
2-50
DC auto- JFUSER1
connect
Pin 9 Pin 9
Pin 10 Pin 10
LVPS AC Auto-
connect connect
Pin 1 Pin 5
Pin 3 Pin 1
Yes
Go to step 8.
Replace the system board.
See
"System board
removal" on page 4-165.
No
Replace the fuser DC
cable. See
"Fuser DC
cable removal" on
page 4-115.
Replace the fuser AC
cable. See
"Fuser AC
cable removal" on
page 4-113.
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