Tray3 Feed Section/Vertical Transport Section Misfeed (Pc-104/204) - Konica Minolta bizhub C203 Service Manual

7. Jam display
7.3.2

Tray3 feed section/vertical transport section misfeed (PC-104/204)

A. Detection timing
Type
The leading edge of the paper does not block the tray3 vertical transport sensor
(PS117) even after the set period of time has elapsed after the tray3 paper feed
Tray3 feed section/
motor (M122) is energized.
vertical transport
section misfeed
The paper feed tray 2 vertical transport sensor (PS16) is not blocked even after
detection
the lapse of a given period of time after the tray3 vertical transport sensor (PS117)
has been blocked by a paper.
Tray 3 vertical Rise timing of load for registration is earlier than the one for making the loop at
transport section front of the registration roller at tray 3 paper feed.
loop registration
reversing jam
The tray3 vertical transport sensor (PS117) is blocked when the main power
switch is set to ON, a door or cover is opened and closed, or a misfeed or mal-
function is reset.
Tray3 detection of
paper remaining
The tray3 paper feed sensor (PS116) is blocked when the main power switch is
set to ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
Misfeed detected The tray3 vertical transport sensor (PS117) is not unblocked even after the lapse
as a result of of a given period of time after PS117 has been blocked by a paper.
delayed deactiva-
tion of sensor
B. Action
Tray3 paper feed sensor (PS116)
Tray3 vertical transport sensor (PS117)
Paper feed tray 2 vertical transport sensor (PS16)
Tray3 paper feed motor (M122)
Sensor in front of tim. roller (PS23)
Step
1 Initial check items
2 PS23 I/O check, sensor check
3 PS116 I/O check, sensor check
4 PS117 I/O check, sensor check
5 PS16 I/O check, sensor check
6 M122 operation check
7 PCCB replacement
26
Relevant electrical parts
PC control board (PCCB)
Action
Field Service Ver. 1.0 Jul. 2007
Description
WIRING DIAGRAM
Control signal
—
PRCB CN1PRCB-3 (ON)
PCCB PJ6PCCB-8 (ON)
PCCB PJ6PCCB-11 (ON)
PCCB CN9PRCB-11 (ON)
PCCB PJ5PCCB-1 to 4
—
Location
(Electrical
components)
—
bizhub C353/
C253/C203
D-18
PC-104, PC-204
B-2
PC-104, PC-204
B-2
bizhub C353/
C253/C203
D-11
PC-104, PC-204
B-3
—