14. Service call message
Field Service Ver. 1.0 May 2006
198
magicolor 7450
T
roubleshooting
14.3.23
0500: Heating Roller warm-up failure
14.3.24
0501: Fusing Pressure Roller warm-up failure
14.3.25
0510: Abnormally low Heating Roller temperature
14.3.26
0511: Abnormally low Fusing Pressure Roller temperature
14.3.27
0520: Abnormally high Heating Roller temperature
14.3.28
0521: Abnormally high Fusing Pressure Roller temperature
14.3.29
0900: Tray 4 Elevator failure
14.3.30
0910: Tray 3 Elevator failure
14.3.31
0950: Tray 5 Elevator failure
Relevant Electrical Parts
Fusing Unit
DC Power Supply (PU1)
Mechanical Control Board (PWB-M)
Step
Action
WIRING DIAGRAM
Control Signal
Location (Electri-
cal Component)
1
Check the Fusing Unit for correct installa-
tion (whether it is secured in position).
—
—
2
Check the Fusing Unit, PWB-M and PU1
for proper connection and correct or
change as necessary.
—
—
3
Change Fusing Unit
—
—
4
Change PWB-M
—
—
5
Change PU1
—
—
Relevant Electrical Parts
Lift-Up Sensor (PC7)
Lift-Up Motor (M3)
Control Board (PWB-Z)
Step
Action
WIRING DIAGRAM
Control Signal
Location (Electri-
cal Component)
1
Check the M3 connector for proper connec-
tion and correct as necessary.
—
—
2
Check the connector of M3 for proper drive
coupling and correct as necessary.
—
—
3
PC7 I/O check, Sensor check
PWB-Z PJ6Z PC-3 (ON)
V-21 to 22
4
M3 operation check
PWB-Z PJ4Z PC-4 to 5
Q-24
5
Change PWB-Z
—
—
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 ...