Tray 2 Take-Up, Vertical Transport, Multiple Bypass Take-Up - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005
15.3.3

Tray 2 take-up, Vertical Transport, Multiple Bypass take-up

A. Detection Timing
Type
The leading edge of the paper does not block the Tray 2 Vertical Transport Sensor
(PC108) even after the lapse of a given period of time after the Tray 2 Paper Feed
Tray 2 take-up, Ver-
Motor has been energized.
tical Transport mis-
The Registration Roller Sensor (PC28) is not blocked even after the lapse of a
feed detection
given period of time after the paper has blocked the Tray 2 Vertical Transport Sen-
sor (PC108).
The leading edge of the paper does not block the Tray 2 Vertical Transport Sensor
Misfeed detected at
(PC108) even after the lapse of a given period of time after the Bypass Paper
Bypass
Feed Clutch has been energized.
Tray 2 Vertical Transport Sensor (PC108) is blocked when the Main Power Switch
Paper left at Tray 2
is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is
or Bypass
reset.
Tray 2 Paper Take-Up Sensor (PC107) is blocked when the Main Power Switch is
Paper left at Tray 2 turned ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
Misfeed detected
as a result of The Tray 2 Vertical Transport Sensor (PC108) is not unblocked even after the
delayed deactiva- lapse of a given period of time after it has been blocked by the paper.
tion of sensor
B. Action
Tray 2 take-up, Vertical Transport
Tray 2 Paper Take-Up Sensor (PC107)
Tray 2 Vertical Transport Sensor (PC108)
Registration Roller Sensor (PC28)
Tray 2 Paper Feed Motor (M102)
Step
1 Initial check items
2 PC107 I/O check, Sensor check
3 PC108 I/O check, Sensor check
4 PC28 I/O check, Sensor check
5 M102 operation check
6 Change PWB-Z
Relevant Electrical Parts
Tray 2 Board (PWB-Z)
Action
Description
WIRING DIAGRAM
Control Signal
—
PWB-Z PJ6Z-8 (ON)
PWB-Z PJ6Z-11 (ON)
PWB-MC PJ24MC-6 (ON)
PWB-Z PJ5Z-1 to 4
—
15. Jam Display
Location
(Electrical
Component)
—
T to U-26
T to U-27
C to D-3
T to U-22
—
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