925.04, 925.06-Blower Error Service Check - Lexmark X734de Service Manual

7526
925.02, 925.04, 925.06—Blower error service check
Step Questions / actions
Turn the printer off, and remove the rear
1
frame cover. See
removal" on page
Check the cable in connector JBLW1 for
proper connection to the system board, for
pinch points, and any other damage to the
cable or connector.
Is the cable damaged?
Measure the resistance across fuse F5 on the
2
system board.
A
Is the fuse blown?
Disconnect the cable in connector JBLW1,
3
and plug in a new cartridge cooling fan
(blower fan). Turn the multifunction printer off,
and turn the MFP on (perform a POR).
Did the error clear?
Service Manual
2-130
"Rear frame cover
4-40.
A
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1 1
1 1 1
JSB1 JFAN1 JBOR1 JMIRR1 JOPP1
1
JCVR1
F5
F6 JT1
JLVPS2
1
JCARTP1 F7
J49
1
JCARTS1
1
1
JBOOT1
JUSB1
JDIMM1 1
F9
J10
JCARTS2
1
JTLBT1
JCARTP2 1 1
1 JTWF1 JFMUSB1
1
F10
JDVR1 JTDBUG1
1 1
JTPS1
1 J5
JOPT1
1 JDX1
1 F13 1
1 JFDS1
F12
JINT1 F14
1
JFDPCK1 JTRAY1 JSEC1 JPH1
1 1 JT12
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1 1
JSB1 1 1 1 JOPP1
JFAN1 JBOR1 JMIRR1
1
JCVR1
F5 F6 JT1
JLVPS2
1
JCARTP1 F7
1 J49
JCARTS1
1
1
JBOOT1
JUSB1
JDIMM1 1
F9
J10
JCARTS2
1
JTLBT1
JCARTP2 1 1
1 JTWF1 JFMUSB1
1
F10
1 JDVR1 1 JTDBUG1
1 JTPS1
J5
JOPT1
1 JDX1 1
1 F13
1 JFDS1
F12
1 JINT1 F14
JFDPCK1 JTRAY1 JSEC1 JPH1
1 1 JT12
Yes
Replace the blower. See
"Cartridge cooling fan
removal" on page 4-61.
Replace the system board.
See
"System board
removal" on page 4-165.
Replace the cartridge
cooling fan. See
"Cartridge cooling fan
removal" on page 4-61.
No
Go to step 2.
Go to step 3.
Replace the system board.
See
"System board
removal" on page 4-165.
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