Diagnostic information 2-117
5026
925.02, 925.04, 925.06—Cartridge cooling fan error service check
Step Questions / actions Yes No
1 Turn the printer off, and remove the rear
frame cover. See “Rear frame cover
removal” on page 4-33.
Check the cable in connector JBLW1 (A) for
proper connection to the system board, for
pinch points, and any other damage to the
cable or connector.
Is the cable damaged?
Replace the blower. See
“Cartridge cooling fan
removal” on page 4-61.
Go to step 2.
2
Measure the resistance across fuse F5 (A) on
the system board.
Is the fuse blown?
Replace the system board.
See “System board
removal” on page 4-153.
Go to step 3.
3
Disconnect the cable in connector JBLW1,
and connect a new cartridge cooling fan.
Bring up the printer in Diagnostic menu
Did the error clear?
Replace the cartridge
cooling fan. See
“Cartridge cooling fan
removal” on page 4-61.
Replace the system board.
See “System board
removal” on page 4-153.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
JCVR1JCVR1
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
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
JCVR1JCVR1
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
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