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Field Service Ver. 1.0 Aug. 2007
8. Malfunction code
25
JS-504
T
roubleshooting
8.2.4
CC155: Finisher ROM failure
Relevant electrical parts
JS control board (JSCB)
Step
Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1
Disconnect and then connect the power
cord. Turn OFF the main power switch, wait
for 10 sec. or more, and turn ON the main
power switch.
—
—
2
Rewrite firmware using the compact flash
card.
—
—
3
Change JSCB
—
—
Y109311
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7 Service Manual