Field Service Ver. 1.0 May 2006
13. Jam Display
183
magicolor 7450
T
roubleshooting
13.4.6
Misfeed at Tray 1 paper feed section
A. Detection Timing
B. Action
Type
Description
Detection of
misfeed at Tray 1
paper feed
section
The leading edge of the paper does not block the Registration Roller Sensor
(PC1) even after the lapse of a given period of time after the Tray 1 Feed Clutch
(CL5) has been energized.
Tray 1 paper feed
section
Loop Registration
Reversing JAM
Rise timing of load for registration is earlier than the one for making the loop at
front of the Registration Roller at Tray 1 feed.
Relevant Electrical Parts
Registration Roller Sensor (PC1)
Tray 1 Feed Clutch (CL5)
Mechanical Control Board (PWB-M)
Step
Action
WIRING DIAGRAM
Control Signal
Location (Electri-
cal Component)
1
Initial check items
—
—
2
PC1 I/O check, Sensor check
PWB-M CNSEN-3 (ON)
C-3 to 4
3
CL5 operation check
PWB-M CNTRY1-2 (ON)
C-9
4
Change PWB-M
—
—
Summary of Contents for magicolor 7450
Page 1: ...SERVICE MANUAL 2006 05 2006 05 Ver 1 0 Ver 1 0 FIELD SERVICE magicolor 7450 magicolor 7450 ...
Page 3: ...ii Blank Page ...
Page 26: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Main Unit magicolor 7450 magicolor 7450 ...
Page 43: ...2 Product specifications Field Service Ver 1 0 May 2006 6 magicolor 7450 General Blank Page ...
Page 288: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Lower Feeder Unit ...
Page 317: ...3 Other Field Service Ver 1 0 May 2006 26 Lower Feeder Unit Maintenance Blank Page ...
Page 328: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Duplex Option ...
Page 333: ...1 Product specifications Field Service Ver 1 0 May 2006 2 Duplex Option General Blank Page ...
Page 345: ...6 Jam Display Field Service Ver 1 0 May 2006 14 Duplex Option Troubleshooting Blank Page ...