Lexmark X734de Service Manual page 87

Step Questions / actions
Remove the right cover. See
2
removal" on page
motor 1/fuser motor cable
connection to the EP drive assembly, for
pinch points for the cable, or damage to the
cable or connector.
Is either cable damaged?
Measure the resistance across fuse F7 on the
3
system board.
Is the fuse blown?
"Right cover
4-41. Check the cartridge
(A) for proper
A
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1 1
1
JSB1 1 JFAN1 JBOR1 JMIRR1 1 JOPP1
1
JCVR1 JCVR1
F5
F6 JT1
JLVPS2
1
JCARTP1 F7
1 J49
JCARTS1
1
JBOOT1 1
JUSB1
1
JDIMM1
F9 J10
JCARTS2
1
JTLBT1
1
JCARTP2 1 JFMUSB1
1 JTWF1
1
F10
JTDBUG1
1 JDVR1 1
JTPS1
1
JOPT1 J5
1 JDX1 1
1 F13
1 JFDS1
F12
1 JINT1 F14
JFDPCK1 JTRAY1 JSEC1
JPH1
1
1 JT12
Yes
Replace the cartridge
motor 1/fuser motor cable.
See
"Cartridge motor 1/
fuser cable removal" on
page 4-70
Replace the system board.
See
"System board
removal" on page 4-165.
7526
No
Go to step 3.
Replace the EP drive
assembly. See
"Electrophotographic
(EP) drive assembly
removal" on page 4-89.
Diagnostic information
2-49
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