14. Service call message
Field Service Ver. 1.0 May 2006
202
magicolor 7450
T
roubleshooting
14.3.44
0F3D: Black TCR Sensor adjustment failure
14.3.45
13B0: RTC failure
14.3.46
13C8: Transfer Unit New Article Release
Relevant Electrical Parts
Imaging Unit /K
Toner Supply Motor C/K (M7)
Mechanical Control Board (PWB-M)
Controller Board (PWB-P)
Step
Action
WIRING DIAGRAM
Control Signal
Location (Electri-
cal Component)
1
Clean or correct each contact of the
Imaging Unit if faulty.
—
—
2
M7 operation check
PWB-M CNDM3-10 to 13
C-23
3
Reinstall Imaging Unit /K
—
—
4
Change Imaging Unit /K
—
—
5
Change PWB-M
—
—
6
Change PWB-P
—
—
Relevant Electrical Parts
RTC Board (PWB-R)
Mechanical Control Board (PWB-M)
Step
Action
WIRING DIAGRAM
Control Signal
Location (Electri-
cal Component)
1
Check the connector for proper connection
and correct as necessary.
—
—
2
Change PWB-R
—
—
3
Change PWB-M
—
—
Relevant Electrical Parts
Mechanical Control Board (PWB-M)
Step
Action
WIRING DIAGRAM
Control Signal
Location (Electri-
cal Component)
1
Reinstall Unit
—
—
2
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 ...