Konica Minolta bizhub C203 Service Manual page 758

Field Service Ver. 1.0 Jul. 2007
9.2.5 C8302: Cooling fan failure
Cooling fan (FM1)
Step
Check the connector of FM1 for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 FM1 operation check
4 DFCB replacement
9.2.6 CC156: ADF ROM malfunction
DF control board (DFCB)
Step
Disconnect and then connect the power
cord. Turn OFF the main power switch,
1
wait for 10 sec. or more, and turn ON the
main power switch.
Rewrite firmware using the compact flash
2
card.
3 DFCB replacement
9.2.7 Incorrect ROM content
DF control board (DFCB)
Step
Rewrite firmware using the compact flash
1
card.
2 DFCB replacement
Relevant electrical parts
DF control board (DFCB)
Action
Relevant electrical parts
Action
Relevant electrical parts
Action
WIRING DIAGRAM
Control signal
—
—
DFCB PJ7DFCB-1 (ON)
DFCB PJ7DFCB-3 (LOCK)
—
WIRING DIAGRAM
Control signal
—
—
—
WIRING DIAGRAM
Control signal
—
—
9. Trouble code
Location
(Electrical
components)
—
—
DF-611 I-8
—
Location
(Electrical
components)
—
—
—
Location
(Electrical
components)
—
—
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