Post Error Service Check - Lexmark X734de Service Manual

920.16—POST error service check
Step Questions / actions
1 Turn the printer off, and then remove the rear
frame cover. See
removal" on page
Reseat the large printhead cable in connector
JPH1.
A
Does the error clear?
2 Check the cable in connector JPH1 for pinch
points and any other damage to the cable or
connector.
Is the cable damaged?
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?
"Rear frame cover
4-38.
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1 1
JSB1 1 JFAN1 JBOR1 1 JMIRR1 JMIRR1 1 JOPP1
1
JCVR1
F5 JT1
F6
JLVPS2
1
JCARTP1 F7
1 J49
JCARTS1
1
1
JBOOT1
JUSB1
1
JDIMM1
F9 J10
JCARTS2
1
JTLBT1
JCARTP2 1 1
1 JTWF1 JFMUSB1
1
F10
JDVR1 JTDBUG1
1 1
JTPS1
1
JOPT1 J5
1 JDX1 1
1 F13
1 JFDS1
F12
JINT1 F14
1
JFDPCK1 JTRAY1 JSEC1 JPH1
1 1 JT12
Yes
Problem resolved.
Replace the printhead. See
"Printhead removal,
installation, and
adjustment" on
page 4-128.
Replace the printhead. See
"Printhead removal,
installation, and
adjustment" on
page 4-128.
No
Go to step 2.
Go to step 3.
Replace the system board.
See "System board
removal" on page 4-148.
2-117
Diagnostic information
7526