Develop ineo 250 - Page 285

19. Malfunction code Field Service Ver. 1.0 Aug. 2005
246
bizhub 200/250/350
Troubleshooting
19.3.22 C4101: Polygon Motor Failure
19.3.23 C4721: Main Unit G/A Communication Failure
19.3.24 C5102: Main Motor Failure
Relevant Electrical Parts
PH Unit (PH) MFBS Board (MFBS)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the PH connector for proper connection, and
correct as necessary.
--
2 Change PH - -
3 Change PWB-A - -
Relevant Electrical Parts
Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Turn OFF the Main Power Switch, wait for 10 sec. or
more, and turn ON the Main Power Switch.
--
2
Check each control board and the PWB-A for proper
connection, and correct as necessary.
--
3 Change PWB-A - -
Relevant Electrical Parts
Main Motor (M1) Mechanical Control Board (PWB-A)
Power Supply Unit (PU1)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the M1 connector for proper connection, and
correct as necessary.
--
2
Check the M1 for proper drive coupling, and correct
as necessary.
--
3
Check the PWB-A connector for proper connection
and correct as necessary.
--
4 M1 operation check PWB-A PJ28A-4 (REM) M-4
5 Change PWB-A - -
6 Change PU1 - -