Diagnostic information 2-39
5026
120.xx—Fuser error service check
3
Measure the resistance across fuse F13 (A)
on the system board.
Is the fuse blown?
Replace the system board.
See “System board
removal” on page 4-139.
Go to step 4.
4
Perform the printhead verification to check
whether the new printhead solves the
problem. See “Printhead verification” on
page 3-35.
Perform the Servo Laser Test. See “Servo
Laser Test” on page 3-18.
Did the printhead motor pass the test?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-121.
Replace the system board.
See “System board
removal” on page 4-139.
Step Questions / actions Yes No
1 Check the input voltage switch on the back of
the low-voltage power supply (LVPS).
Note: 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 V/230 V) properly
set?
Go to step 2. Set the switch for the
proper country voltage.
Step Questions / actions Yes No
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
JFMUSB1JFMUSB1
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
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