Post-Four Toner Sensor Not Connected Error Service Check - Lexmark X734de Service Manual

7526
920.09—POST—Four toner sensor not connected error service check
Step Questions / actions
Turn the printer off, and then remove the rear
1
frame cover. See
removal" on page
Reseat the cable in connector JHVPS1.
Does the error clear?
Check the HVPS cable in connector JHVPS1
2
for pinch points and any other damage to the
cable or connector.
Is the cable damaged?
Remove the left cover. See
3
removal" on page
level sensor cables connected to the rear of
the HVPS.
Are any of the cables damaged?
Replace the HVPS board. See
4
power supply (HVPS) removal" on
page 4-120.
Does the error clear?
Service Manual
2-112
"Rear frame cover
4-40.
A
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1 1
1 1
JSB1 1 JFAN1 JBOR1 JMIRR1 JOPP1
1
JCVR1
F5
F6 JT1
JLVPS2
1
JCARTP1
F7
1 J49
JCARTS1
1
1
JBOOT1
JUSB1
JDIMM1 1
F9
J10
JCARTS2
1 JTLBT1
1 1
JCARTP2 JFMUSB1
1 JTWF1
1
F10
JDVR1 JTDBUG1
1 1
JTPS1
1
JOPT1 J5
JDX1
1 1 F13 1
1 JFDS1
F12
1 JINT1 F14
JFDPCK1 JTRAY1 JSEC1
JPH1
1 1 JT12
"Left cover
4-23. Check all the toner
"High-voltage
Yes
Problem resolved.
Replace the HVPS cable.
See
"High-voltage power
supply (HVPS) cable
removal" on page 4-122.
Replace the damaged
cable.
Problem resolved.
No
Go to step 2.
Go to step 3.
Go to step 4.
Replace the system board.
See
"System board
removal" on page 4-165.
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