Sony C9000 service manual Wiring Diagram

3.3.16 Registration roller Assy (B)		66
3.3.17 Registration clutch, Registration motor Assy		67
3.3.18	Cooling fan	68
3.3.19 Color registration sensor Assy		69
3.3.20	Duplex guide Assy	70
3.3.21 Electrical chassis/ Electrical chassis cooling fan		71
3.3.22 Printer engine controller PWB		72
3.3.23	Printer unit chassis	73
3.3.24 Entrance cassette sensor actuator		74
3.3.25	Entrance sensor PWB	75
3.3.26 Entrance MT sensor actuator and Entrance belt sensor actuator		76
3.3.27 Main motor fan/ Fuser eject roller		77
3.3.28	Eject sensor Assy	78
3.3.29 Fuser latching handle (L)		79
3.3.30	Belt motor Assy	80
3.3.31 Fuser latching handle (R)		81
3.3.32	Main motor Assy	82
3.3.33 Contact Assy/ Side plate Assy		83
3.3.34 Low voltage power supply		84
3.3.35 High voltage power supply		85
3.3.36	Main feed Assy	86
3.3.37	Fuser unit	87
3.3.38	Belt unit	88
3.3.39	Duplex unit	89
3.3.40	CU Assy	90

4. Adjustment		92
4.1	Maintenance Menu and Its Functions	92
4.2	Short Plug Settings	93
4.3	Printing Singly Using Controller-Equipped Printer	93
4.4	Adjustment after Part Replacement	94
4.5	Color Balance Adjustment	95
4.6	EEPROM Replacement after CRM Board and K73 Board Replacement	97

5. Regular Maintenance		98
5.1	Parts to be Replaced Regularly	98
5.2	Cleaning	98
5.3	Cleaning of LED Lens Array	98
5.4	Cleaning of Pick-up Roller	98

6. TROUBLESHOOTING PROCEDURES			99
6.1	Tips for Troubleshooting		99
6.2	Check Points before Correcting Image Problems		99
6.3	Tips for Correcting Image Problems		99
6.4	Preparation for Troubleshooting		100
6.5	Troubleshooting Flow		100
	6.5.1	LCD Message List	101
	6.5.2	LCD message troubleshooting	106
	6.5.3	Image troubleshooting	117

7.	WIRING DIAGRAM		129
	7.1	Resistance Check	129
	7.2	Parts Layout on Boards	134
8.	Parts List		138
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