Lexmark X746de Service Manual page 158

7526
Step Questions / actions
1. Turn the printer off.
2
2. Install the new fuser. See
assembly removal" on page
Note: Do not reset fuser count or run
motor calibration yet.
3. POR the printer.
Did the error clear?
Remove the rear frame cover. See
3
frame cover removal" on page
Check the fuser DC cable in the connector
JFUSER1 for proper connection to the system
board, for pinch points, and for any other
damage to the cable or the connector.
Is the cable damaged?
Place a voltmeter between the fuser DC
4
autoconnect pin 8 and ground (pin 6).
Does the meter rear +5 V dc?
Place a voltmeter between the connector
5
JFUSER1 pin 8 and ground (pin 6) on the
system board.
Does the meter read +5 V dc?
Service Manual
2-118
Problem resolved.
"Fuser
Note: Complete the fuser
4-112.
installation, reset fuser
count, and run motor
calibration. See
assembly removal" on
page 4-112.
Replace the fuser DC
"Rear
cable. See
4-37.
cable removal" on
page 4-115.
Go to step 6.
Go to step 6.
Yes
Remove the new fuser, and
go to step 3.
"Fuser
Go to step 4.
"Fuser DC
Go to step 5.
Replace the fuser DC
cable. See
cable removal" on
page 4-115.
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"Fuser DC