Post (Power-On Self Test) Error Service Check - Lexmark C734dn Service Manual

5026
920.04—POST (power-on self test) error service check
Step Questions / actions
Turn the printer off, and then remove the rear
1
frame cover. See
removal" on page
Reseat the cables in connectors
JCARTP1 (A) and JCARTS1 (B).
A
B
Does the error clear?
Check the cartridge motor 1/fuser cable in
2
connector JCARTP1 and JCARTS1 for pinch
points and the cables or connectors for any
other damage.
Are the cables damaged?
Remove the right cover.See
3
removal" on page
motor 1/fuser motor cable (A) for proper
connection to the EP drive assembly, pinch
points for the cable, and damage to the cable
or connector.
Is either cable damaged?
Service Manual
2-96
"Rear frame cover
4-33.
1 JBIN1 1 1 JFUSER1 1 JHVPS1 1 JBLW1 1
JSB1 1 1 1 JOPP1
JFAN1 JBOR1 JMIRR1
1
JCVR1
F5 F6 JT1
JLVPS2
1
JCARTP1 F7
1 J49
JCARTS1
1
1
JBOOT1
JUSB1
JDIMM1 1
F9
J10
JCARTS2
1
JTLBT1
JCARTP2 1 1
1 JTWF1 JFMUSB1
1
F10
1 JDVR1 1 JTDBUG1
JTPS1
1
J5
JOPT1
1 JDX1 1
1 F13
1 JFDS1
F12
1 JINT1 F14
JFDPCK1 JTRAY1 JSEC1 JPH1
1 1 JT12
"Right cover
4-37. Check the cartridge
Yes
Problem resolved.
Replace the cartridge
motor1/fuser cable. See
"Cartridge motor 1/fuser
cable removal" on
page 4-62.
Replace the cartridge
motor 1/fuser motor cable.
See
"Cartridge motor 1/
fuser cable removal" on
page 4-62.
No
Go to step 2.
Go to step 3.
Go to step 4.
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