Sharp SF-1120, SF-1020 service manual Electrical Section

. . . . . . . . . . . . . . . . . . . . . . . 10-1

2-6. Process section adjustment . . . . . . . . . . 7-21

[8]	SIMULATION			. . . . . 8-1
	1.	Outline		. . . . . 8-1
	2.	Purpose		. . . . . 8-1
	3.	Operating procedure		. . . . . 8-1
	4.	List of simulations		. . . . . 8-2
	5.	Details of simulations		. . . . . 8-4
	6.	User simulation		. . . . 8-20
		(1)	Functions which can be set and
			canceled by the user simulation . . .	. . . . 8-20
		(2)	User simulation	. . . . 8-21
		(3)	User simulation code table	. . . . 8-21
		(4)	Department counter setting content
			(Set with user program P10 ∼ P15)	. . . . 8-21
[9]	SELF DIAGNOSTICS			. . . . . 9-1
	1.	Summary/purpose		. . . . . 9-1
	2.	Operation		. . . . . 9-1
	3.	Clearing the self diag display		. . . . . 9-1

[10] SERVICING AT MEMORY TROUBLE AND MAIN CONTROL PWB REPLACEMENT

1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

2. Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

3. Remedies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

4. Set value recording sheet . . . . . . . . . . . . . . . . 10-3

5. Memory simulation list . . . . . . . . . . . . . . . . . . . 10-4

[11] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 11-1

1.	Maintenance cycle and maintenance items . . 11-1
[12] ELECTRICAL SECTION			. . . . . 12-1
1.	System block diagram		. . . . . 12-1
2.	Main circuit		. . . . . 12-3
	(1)	Block diagram	. . . . . 12-3
	(2)	CPU (IC6) SC3041K12F	. . . . . 12-4
	(3)	I/O (IC8) CXD1095Q	. . . . . 12-8
	(4)	Detector circuit of sensor signal . .	. . . . 12-11
	(5)	Start/stop control circuit	. . . . 12-11
	(6)	Heater lamp control circuit	. . . . 12-12
	(7)	Driver circuit (Solenoid, electromagnetic
		clutch)	. . . . 12-13
	(8)	Stepping motor drive circuit	. . . . 12-13
	(9)	AE (Auto Exposure) sensor circuit	. . . . 12-14
	(10)	Toner supply motor drive circuit . .	. . . . 12-14
	(11)	Reset IC (IC13)	. . . . 12-14
	(12)	Operation panel	. . . . 12-15
	(13)	EnergyStar circuit description . . . .	. . . . 12-16
	(14)	ADU circuit description	. . . . 12-17