Toshiba MR-3018 service manual Contents

		CONTENTS
1.	Specification			1-1
2.	GENERAL DESCRIPTION			2-1
	2.1	Main Components		2-1
	2.2	Sectional View		2-2
	2.3	Electric Parts Layout		2-3
	2.4	Symbols and Functions of Various Components		2-4
	2.5	Diagram of Signal Blocks		2-5
	2.6	Description of Interface Signals		2-6
3.	DESCRIPTION OF OPERATIONS			3-1
	3.1	DRIVE SYSTEM		3-1
		3.1.1 Outline		3-1
		3.1.2 Original feed motor drive section		3-2
		3.1.3 Read motor drive section		3-3
		3.1.4 Original exit/reverse motor drive section		3-4
	3.2	Original Size Detection		3-5
		3.2.1 Outline		3-5
		3.2.2 Original tray width sensor		3-5
		3.2.3 Original width detection sensors-1 and -2 / Original length detection sensor		........... 3-6
	3.3	FLOW CHART		3-8
	3.4	DESCRIPTION OF CIRCUIT		3-16
		3.4.1 Drive Circuit for Feed Motor		3-16
		3.4.2 Drive Circuit for Read Motor		3-17
		3.4.3 Drive Circuit for Exit Motor		3-18
		3.4.4 Drive Circuit for FAN Motor		3-18
		3.4.5 Reset Circuit		3-19
		3.4.6 Drive Circuit for Pickup Solenoid		3-19
		3.4.7 Drive Circuit for Gate Solenoid		3-20
4.	DISASSEMBLY AND ASSEMBLY			4-1
	4.1	Cover		4-1
	4.2	Roller		4-6
	4.3	Motor / Motor drive section		4-18
	4.4	Solenoid		4-24
	4.5	Sensor/switch		4-26
	4.6	PC Board		4-34
	4.7	Others		4-35
5.	Adjustment			5-1
	5.1	Adjustment of Position		5-1
	5.2	Adjustment of Height		5-6
	5.3	Adjustment of Skew		5-8
	5.4	Adjustment of the Leading Edge Position		5-11
	5.5	Adjustment of Horizontal Position		5-13
	5.6	Adjustment of Copy Ratio		5-14
	5.7	Adjustment of RADF Opening/Closing Sensor		5-15
6.	Troubleshooting			6-1
	6.1	Troubleshooting for Mechanical Errors		6-1
	6.2	Troubleshooting for Electrical Errors		6-2
7. MAINTENANCE AND REWRITING ROM				7-1
	7.1	Periodic Maintenance		7-1
	7.2	Rewriting ROM (Firmware Updating)		7-2
June 2005 © TOSHIBA TEC			MR-3018 CONTENTS

1