Post (Power-On Self Test) Printhead Motor Not Connected Error Service Check - Lexmark C734 Service Manual

920.05—POST (power-on self test) printhead motor not connected error service check
Step Questions / actions
1 1. Turn the printer off.
2. Remove the rear frame cover. See
frame cover removal" on page
3. Reseat the cables in connector
JMIRR1 (A).
Does the error clear?
2 Check the cables in connector JMIRR1 for
pinch points and any other damage to the
cables or connectors.
Is the cable damaged?
3 Measure the resistance across fuse F6 (A) on
the system board.
Is the fuse blown?
4 1. Perform the printhead verification to check
whether the new printhead solves the
problem. See
on page 3-35.
2. Select PRINTHEAD TESTS, and press
Select (
3. Select Mirror Motor Test, and press
Select (
Did the mirror motor pass the test?
"Rear
4-33.
A
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1
JSB1 1 1 1
JFAN1 JBOR1 JMIRR1
1
JCVR1 JCVR1
F5
F6
JLVPS2
1
JCARTP1 F7
1 J49
JCARTS1
1
JDIMM1
F9
JCARTS2
1
JTLBT1
JCARTP2 1 1
1 1 JTWF1
F10
JTDBUG1
1 JDVR1 1
JTPS1
1
J5
JOPT1
1 JDX1
1 F13 1
1
JFDS1 F12
JINT1
1 F14
JFDPCK1 JTRAY1 JSEC1
JPH1
1
1 JT12
A
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1
JSB1 1 JFAN1 JBOR1 1 JMIRR1 1
1
JCVR1 JCVR1
F5
F6
JLVPS2
1
JCARTP1 F7
1 J49
JCARTS1
1
JDIMM1
F9
JCARTS2
1
JTLBT1
JCARTP2 1 1
1
1 JTWF1
F10
JDVR1 JTDBUG1
1 1
JTPS1
1
J5
JOPT1
1 JDX1 1
1 F13
1 JFDS1
F12
JINT1 F14
1
JFDPCK1 JTRAY1 JSEC1 JPH1
1 1 JT12
"Printhead verification"
).
).
Yes
Problem resolved.
1
JOPP1
JT1
1
JBOOT1
JUSB1
1
J10
JFMUSB1
Replace the printhead. See
"Printhead removal,
installation, and
adjustment" on
page 4-121.
Replace the system board.
See "System board
removal" on page
1
JOPP1
JT1
1
JBOOT1
JUSB1
1
J10
JFMUSB1
Replace the printhead. See
"Printhead removal,
installation, and
adjustment" on
page 4-121.
No
Go to step 2.
Go to step 3.
Go to step 4.
4-139.
Replace the system board.
See "System board
removal" on page
Diagnostic information
5026
4-139.
2-95