Power Is Not Supplied To Option; Optional Paper Feed Cabinet - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005

17.6 Power is not Supplied to Option

17.6.1

Optional Paper Feed Cabinet

Step
Is DC24 V being applied to hookup connector
1
CN28-1?
Is DC24 V being output from PJ6PU1-2 on
2 PU1?
Is the fuse (F204) on PU1 conducting?
3
17.6.2 Finisher
Step
Are DC24 V and DC5 V being applied to
1 CN20-11 and CN20-1, respectively, of the Fin-
isher?
Are DC24 V and DC5 V being applied to
2 PJ5PU1-9 and PJ10PU1-5 on PU1, respec-
tively?
Are there continuity in the 24-V fuse (F202)
and 5-V fuse (F205) on PU1?
3
Check Item
Check Item
17. Power supply trouble
WIRING
DIAGRAM Result
(Location)
Malfunction in Paper
O-27 NO
Feed Cabinet
Check wiring from PU1
P-3 NO to CN48 to Paper Feed
Cabinet.
YES Change PU1.
Change F204.
—
NO Malfunction in Paper
Feed Cabinet
WIRING
DIAGRAM Result
(Location)
NO Malfunction in Finisher.
K-14
NO Check wiring from PU1
P-5
to Finisher.
R-7
YES Change PU1.
—
NO Change F202, F205.
Malfunction in Finisher.
Action
Action
373