Tray5 Feed Section/Vertical Transport Section Misfeed (Pc-205) - Konica Minolta Magicolor 8650 Service Manual

Field Service Ver. 1.0 Oct. 2007
6.3.3

Tray5 feed section/vertical transport section misfeed (PC-205)

A. Detection timing
Type
The leading edge of the paper does not block the tray5 vertical transport sensor
(PS126) even after the set period of time has elapsed after the tray5 paper feed
Tray5 feed section/
motor (M123) is energized.
vertical transport
section misfeed
The tray4 vertical transport sensor (PS117) is not blocked even after the lapse of
detection
a given period of time after the tray5 vertical transport sensor (PS126) has been
blocked by a paper.
Tray5 vertical trans- Rise timing of load for registration is earlier than the one for making the loop at
port section loop front of the timing roller at tray 5 paper feed.
registration revers-
ing jam
The tray5 vertical transport sensor (PS126) is blocked when the power switch is
set to ON, a door or cover is opened and closed, or a misfeed or malfunction is
Tray5 detection of
reset.
paper remaining
The tray5 paper feed sensor (PS125) is blocked when the power switch is set to
ON, a door or cover is opened and closed, or a misfeed or malfunction is reset.
Misfeed detected The tray5 vertical transport sensor (PS126) is not unblocked even after the lapse
as a result of of a given period of time after PS126 has been blocked by a paper.
delayed deactiva-
tion of sensor
B. Action
Tray5 paper feed sensor (PS125)
Tray5 vertical transport sensor (PS126)
Tray4 vertical transport sensor (PS117)
Tray5 paper feed motor (M123)
Sensor in front of tim. roller (PS23)
Step
1 Initial check items
2 PS23 I/O check
3 PS125 I/O check
4 PS126 I/O check
5 PS117 I/O check
6 M123 operation check
7 PCCB replacement
Confidential – for internal use only, do not distribute
Relevant electrical parts
Action
Description
PC control board (PCCB)
WIRING DIAGRAM
Control signal
—
PRCB CN1PRCB-3 (ON)
PCCB PJ10PCCB-8 (ON)
PCCB PJ11PCCB-2 (ON)
PCCB PJ6PCCB-11 (ON)
PCCB PJ9PCCB-1 to 4
—
6. Jam display
Location
(Electrical
components)
—
magicolor 8650
D-18
PC-205 G-5
PC-205 G-5
PC-106, PC-205
B-2
PC-205 G-6
—
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