Lexmark C734 Service Manual page 127

Step Questions / actions
2 Turn the printer off, and then remove the rear
frame cover. See
removal" on page
Reseat the transport cable in connector
JTPS1 (A).
A
Does the error clear?
3 Check the transport cable in connector JTPS1
for pinch points and for any other damage to
the cable or connector.
Is the cable damaged?
4 Check the continuity at JTPS1, pins 1–10).
F10
JDVR1
1
JTPS1
1
JOPT1
JDX1
1
1
1
JFDS1
F12
JINT1
1
JFDPCK1 JTRAY1 JSEC1
1
1
Is there continuity?
5 Replace the transport belt assembly. See
"Transfer module removal" on page
Does the error clear?
"Rear frame cover
4-33.
1 JBIN1 1 JFUSER1 1 1 JHVPS1 1 JBLW1 1
1 1 1
JSB1 JFAN1 JBOR1 JMIRR1 JOPP1 JOPP1
1
JCVR1 JCVR1
F5
F6 JT1
JLVPS2 JLVPS2
1
JCARTP1 F7
J49
1
JCARTS1
1
JBOOT1 1
JUSB1
JDIMM1 1
F9
J10
JCARTS2
1 JTLBT1
1
JCARTP2 1 JFMUSB1
1 JTWF1
1
F10
1 JDVR1 1 JTDBUG1
JTPS1
1
JOPT1 J5
JDX1
1 1 F13 1
1 JFDS1
F12
1 JINT1 F14
JFDPCK1 JTRAY1 JSEC1
JPH1
1 1 JT12
1
JTDBUG1
1
F8
F13
1 JT1
10
4-154.
Yes
Problem resolved.
Replace the transport
cable. See "Transport
cable removal" on
page 4-156.
Go to step 5.
Problem resolved.
5026
No
Go to step 3.
Go to step 4.
Replace the cartridge
motor1/fuser motor cable.
See "Cartridge motor 1/
fuser cable removal" on
page 4-51.
Replace the system board.
See "System board
removal" on page 4-139.
2-93
Diagnostic information