Lexmark C734dn Service Manual

2-94 Service Manual
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902.59—Engine software error, NVRAM MGR problem service check
920.03, 920.25—Transfer Module Missing error service check
Step Questions / actions Yes No
1 Has the printhead been recently replaced? Replace with a new system
board that has never been
used before. See “System
board removal” on
page 4-153
Go to step 2.
2
Has the transfer module been recently
replaced?
Replace with a new
transfer module. See
“Transfer module
removal” on page 4-168.
Go to step 3.
3
Make sure the printhead is plugged into the
connector JPH1.
Remove the rear frame cover. See “Rear
frame cover removal” on page 4-33.
Is the printhead correctly connected?
Go to step 4. Reseat the connector.
4
Has the printhead been replaced recently? Replace with a new
printhead. See “Printhead
removal, installation, and
adjustment” on
page 4-135.
Contact the new level of
support.
Step Questions / actions Yes No
1 Open the front access door. Reseat the
transport cable.
Does the error clear?
Problem resolved. Go to step 2.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1JBLW1
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

Lexmark C734dn Specifications

General

Brand	Lexmark
Model	C734dn
Category	Printer
Language	English