Lexmark C734dn Service Manual

Diagnostic information 2-113
5026
Go Back
Previous
Next
920.21—POST (power-on self test)—24 V power supply failure error service check
Step Questions / actions Yes No
1 Check the input voltage switch on the back of
the low-voltage power supply (LVPS).
Some LVPS FRU do not have switches and
switch automatically. If your does not have a
switch, go to step 2.
Is the voltage level (115/230) properly set?
Go to step 2. Set switch for the proper
country voltage.
2
Turn the printer off, and then remove the rear
frame cover. See “Rear frame cover
removal” on page 4-33.
Reseat the cable in connector JLVPS2 (A).
Does the error clear?
Problem resolved. Go to step 3.
3
Check the cable JLVPS2 for pinch points and
any other damage to the cable or connector.
Is the cable damaged?
Replace the low-voltage
power supply. See “Low-
voltage power supply
(LVPS) removal” on
page 4-112.
Go to step 4.
A
230
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
JCVR1JCVR1
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