Lexmark X734DE - POST Error Service Check; Next

Diagnostic information 2-119
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920.16—POST error service check
Step Questions / actions Yes No
1 Turn the printer off, and then remove the rear
frame cover. See “Rear frame cover
removal” on page 4-40.
Reseat the large printhead cable in connector
JPH1.
Does the error clear?
Problem resolved. Go to step 2.
2
Check the cable in connector JPH1 for pinch
points and any other damage to the cable or
connector.
Is the cable damaged?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-147.
Go to step 3.
3
Perform the printhead verification to check
whether the printhead replacement fixes the
problem. See “Printhead verification” on
page 3-52
Did the printhead motor pass the test?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-147.
Replace the system board.
See “System board
removal” on page 4-165.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1JMIRR1
JBLW1
JCVR1
JLVPS2
JCARTP1
JCARTS1
JCARTS2
JCARTP2
JDVR1
JTPS1
JOPT1
JFDS1
JINT1
JFDPCK1JTRAY1JSEC1
JDX1
JT12
J5
JDIMM1
JOPP1
JT1
JUSB1
JBOOT1
JFMUSB1
J49
JTWF1
JTDBUG1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
JTLBT1
JPH1
F5
F6
F7
F9
F10
F12
F13
F14
1
1
J10
1
1
A