Lexmark X734DE - POST-One Sensor Not Connected Error Service Check; POST Error Service Check

Diagnostic information 2-115
7526
Go Back
Previous
Next
920.12—POST—One sensor not connected error service check
920.13—POST error service check
Step Questions / actions Yes No
1 Check all toner level sensor cables connected
to the rear of the HVPS.
Are any of the cables damaged?
Replace the damaged
sensor. See “Toner level
sensor removal” on
page 4-174.
Go to step 2.
2
Disconnect one of the toner level sensors,
and POR the printer. See “Toner level
sensor removal” on page 4-174.
Does the 920.12 error occur again?
Replace the toner level
sensor that is
disconnected. See “Toner
level sensor removal” on
page 4-174.
Repeat the step for the
other toner level sensors
until the 920.12 error
occurs.
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.
Reseat the cables in connectors JCARTP1
(A) and JCARTS1 (B).
Does the error clear?
Problem resolved. Go to step 2.
2
Check the cables in connectors JCARTP1
and JCARTS1 for pinch points and any other
damage to the cables or connectors.
Is the cable damaged?
Replace the cartridge
motor 1/fuser cable. See
“Cartridge motor 1/fuser
cable removal” on
page 4-70.
Go to step 3.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
JCVR1
JLVPS2
JCARTP1
JCARTS1
JCARTS2
JCARTP2
JDVR1JDVR1
JTPS1
JOPT1
JFDS1
JINT1JINT1
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
B