Toshiba 4511 15.1, 15-1, 15.2, 15.3, 15-2, 15.4, 15-3, 15.5, 15-4, 16.1, 16-1, 16.2, 16.3, 16-2

15. IMAGE QUALITY CONTROL		15-1
15.1	General Description	15-1
15.2	Principle of the Sensor	15-1
15.3	Flow Chart of Control Procedure	15-2
15.4	Construction	15-3
15.5	Disassembly and Replacement	15-4

16. FUSER UNIT / PAPER EXIT SECTION		16-1
16.1	General Description	16-1
16.2	Operation	16-1
16.3	Functions	16-2
16.4	Heater Control Circuit	16-4
	16.4.1 Configuration	16-4
	16.4.2 Heating principle of IH Heater	16-5
	16.4.3 IH control circuit interface	16-6
	16.4.4 Relation between system configuration and IH output	16-7
	16.4.5 Temperature detection section	16-8
	16.4.6 Abnormality in the IH control circuit	16-13
16.5	Control Circuit of Exit Motor	16-15
16.6	Exit Motor Drive	16-15
16.7	Disassembly and Replacement	16-16

17. AUTOMATIC DUPLEXING UNIT (ADU)		17-1
17.1	General Description	17-1
17.2	Description of Operations	17-2
17.3	Drive of ADU	17-8
17.4	Flow Chart	17-9

18.	POWER SUPPLY UNIT		18-1
	18.1	Construction	18-1
	18.2	Operation of DC Output Circuits	18-1
	18.3	Output Channel	18-2
	18.4	Fuse	18-4
	18.5	Configuration of Power Supply Unit	18-5
	18.6	Sequence of Power Supply	18-6
	18.7	AC Wire Harness	18-7
19.	PC BOARDS		19-1

November 2003 © TOSHIBA TEC v e-STUDIO3511/4511 CONTENTS