Brother MFC-9840CDW, DCP-9045CDN TABLE OF CONTENTS, CHAPTER 1 TROUBLESHOOTING, CHAPTER 2 PERIODICAL MAINTENANCE

TABLE OF CONTENTS

REGULATION............................................................................................				VIII
SAFETY INFORMATION............................................................................				XII
CHAPTER 1 TROUBLESHOOTING ........................................................				1-1
1.	INTRODUCTION .........................................................................................................			1-1
	1.1	Precautions ........................................................................................................................		1-1
	1.2	Initial Check........................................................................................................................		1-1
2.	ERROR CODES..........................................................................................................			1-3
	2.1	Error Indication...................................................................................................................		1-3
	2.2	Error Cause and Remedy ..................................................................................................		1-5
		2.2.1	Recoverable Error by User Check ...........................................................................	1-5
		2.2.2	Service Call Error.....................................................................................................	1-8
3.	PAPER FEEDING PROBLEMS.................................................................................			1-38
	3.1	No Feeding.......................................................................................................................		1-38
	3.2	Double Feeding................................................................................................................		1-38
	3.3	Paper Jam ........................................................................................................................		1-39
	3.4	Dirt on Paper ....................................................................................................................		1-40
	3.5	Wrinkles............................................................................................................................		1-40
4.	IMAGE DEFECT TROUBLESHOOTING...................................................................			1-41
	4.1	Image Defect Examples ...................................................................................................		1-41
	4.2	Diameter of Rollers ..........................................................................................................		1-42
	4.3	Troubleshooting Image Defect.........................................................................................		1-42
5.	SOFTWARE SETTING PROBLEMS.........................................................................			1-58
6.	NETWORK PROBLEMS ...........................................................................................			1-59
7.	TROUBLESHOOTING OF THE COMMUNICATIONS ERRORS..............................			1-60
8.	TROUBLESHOOTING OF THE CONTROL PANEL .................................................			1-64
9.	TROUBLESHOOTING OF FAX FUNCTIONS...........................................................			1-66
10. OTHERS PROBLEMS.............................................................................................				1-70

CHAPTER 2 PERIODICAL MAINTENANCE...........................................				2-1
1.	CONSUMABLE PARTS...............................................................................................			2-1
2.	PERIODICAL REPLACEMENT PARTS ......................................................................			2-4
	2.1	Periodical Replacement Parts............................................................................................		2-4
	2.2	Procedures to Replace Periodical Replacement Parts......................................................		2-5
		2.2.1	Fuser Unit & Fuser Filter Frame ASSY....................................................................	2-5
		2.2.2	Laser Unit.................................................................................................................	2-9
		2.2.3	Paper Feeding Kit (PF Kit1, PF Kit2) .....................................................................	2-29

2.2.4 MP Paper Feeding Kit (PF Kit MP)	........................................................................ 2-34
2.3 Parts Life Reset Function.................................................................................................	2-39
iii	Confidential