Lexmark C734dn - Maintaining the printer

2-96 Service Manual
5026
Go Back
Previous
Next
920.04—POST (power-on self test) error service check
Step Questions / actions Yes No
1 Turn the printer off, and then remove the rear
frame cover. See “Rear frame cover
removal” on page 4-33.
Reseat the cables in connectors
JCARTP1 (A) and JCARTS1 (B).
Does the error clear?
Problem resolved. Go to step 2.
2
Check the cartridge motor 1/fuser cable in
connector JCARTP1 and JCARTS1 for pinch
points and the cables or connectors for any
other damage.
Are the cables damaged?
Replace the cartridge
motor1/fuser cable. See
“Cartridge motor 1/fuser
cable removal” on
page 4-62.
Go to step 3.
3
Remove the right cover.See “Right cover
removal” on page 4-37. Check the cartridge
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?
Replace the cartridge
motor 1/fuser motor cable.
See “Cartridge motor 1/
fuser cable removal” on
page 4-62.
Go to step 4.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
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
B