Lexmark X734DE - XX-COD (Color on Demand) Motor Error Service Check

2-58 Service Manual
7526
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156.xx—COD (Color On Demand) motor 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. Check the cable in
connector JBOR1 on the system board for
proper connection, for cable pinch points, and
for any other damage to the cable or
connector.
Is the cable damaged?
Replace the COD
assembly. See “Color on
demand assembly
removal” on page 4-75.
Go to step 2.
2
Measure the resistance across fuse F12 (A)
on the system board.
Is the fuse blown?
Replace the system board.
See “System board
removal” on page 4-165.
Go to step 3.
3
1. Disconnect the cable in connector JBOR1,
and then connect the cable from the new
COD group assembly.
2. Bring the printer up in Diagnostics Menu
(turn the multifunction printer off, press
and hold 3 and 6, turn the MFP on, and
then release the buttons when the
progress bar displays).
3. Touch MOTOR TESTS.
4. Touch COD.
5. Touch Forward or Reverse.
See “Motor tests” on page 3-12.
Did the COD motor pass the test?
Replace the COD
assembly. See “Color on
demand assembly
removal” on page 4-75.
Replace the system board.
See “System board
removal” on page 4-165.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
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
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
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
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
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