Develop ineo 250 - Page 284

Field Service Ver. 1.0 Aug. 2005 19. Malfunction code
245
bizhub 200/250/350
Troubleshooting
19.3.20 C4001: Main Unit Communication Failure
19.3.21 C4002: HSYNC Detection Failure
Relevant Electrical Parts
MFBS Board (MFBS) Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the MFBS connector for proper connection,
and correct as necessary.
--
2
Check the PWB-A connector for proper connection,
and correct as necessary.
--
3
Check the flat cable between MFBS and PWB-A for
proper connection, and correct as necessary.
--
4
Turn OFF the Main Power Switch, wait for 10 sec. or
more, and turn ON the Main Power Switch.
--
5 Change MFBS - -
6 Change PWB-A - -
Relevant Electrical Parts
PH Unit (PH) 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 the PH and the PWB-A connectors for proper
connection, and correct as necessary.
--
3 Change PH - -
4 Change PWB-A - -