Brother International HL-1070 Service Manual - Page 6

IV MAINTENANCE AND TROUBLESHOOTING, APPENDICES, Switch Panel/Solenoid - toner

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4. PACKING ...III-24 CHAPTER IV MAINTENANCE AND TROUBLESHOOTING IV-1 1. INTRODUCTION...IV-1 1.1 Initial Check ...IV-1 1.2 Basic Procedure...IV-2 2. CONSUMABLE PARTS ...IV-2 2.1 Drum Unit...IV-2 2.2 Toner Cartridge...IV-2 2.3 Periodical Replacement Parts...IV-3 3. IMAGE DEFECTS ...IV-4 3.1 Image Defect Examples ...IV-4 3.2 Troubleshooting Image Defects IV-5 3.3 Location of High-voltage Contacts and Grounding Contacts IV-19 3.4 Location of Feed Roller Shaft and Grounding Contacts IV-20 4. PAPER JAM...IV-21 5. TROUBLESHOOTING MALFUNCTIONS IV-22 6. INSPECTION MODE...IV-27 6.1 Incorporated Inspection Modes IV-27 6.2 Error Codes...IV-29 APPENDICES 1. Serial No. Descriptions ...A-1 2. Connection Diagram ...A-2 3. Main PCB Circuit Diagram, (1/5 A-3 4. Main PCB Circuit Diagram, (2/5 A-4 5. Main PCB Circuit Diagram, (3/5 A-5 6. Main PCB Circuit Diagram, (4/5 A-6 7. Main PCB Circuit Diagram, (5/5 A-7 8. Driver PCB Circuit Diagram A-8 9. Switch Panel/Solenoid, Bin/Relay PCB Circuit Diagram A-9 10. Low-voltage Power Supply PCB Circuit Diagram (110 - 240V A-10 11. Low-voltage Power Supply PCB Circuit Diagram (220 - 240V A-11 12. High-voltage Power Supply PCB Circuit Diagram A-12 13. SR PCB Circuit Diagram A-13 iii

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iii
4. PACKING
........................................................................................................................
III-24
CHAPTER IV MAINTENANCE AND TROUBLESHOOTING
...........................
IV-1
1. INTRODUCTION
...............................................................................................................
IV-1
1.1 Initial Check
.................................................................................................................................
IV-1
1.2 Basic Procedure
...........................................................................................................................
IV-2
2. CONSUMABLE PARTS
....................................................................................................
IV-2
2.1 Drum Unit
.....................................................................................................................................
IV-2
2.2 Toner Cartridge
............................................................................................................................
IV-2
2.3 Periodical Replacement Parts
......................................................................................................
IV-3
3. IMAGE DEFECTS
.............................................................................................................
IV-4
3.1 Image Defect Examples
...............................................................................................................
IV-4
3.2 Troubleshooting Image Defects
...................................................................................................
IV-5
3.3 Location of High-voltage Contacts and Grounding Contacts
.....................................................
IV-19
3.4 Location of Feed Roller Shaft and Grounding Contacts
............................................................
IV-20
4. PAPER JAM
....................................................................................................................
IV-21
5. TROUBLESHOOTING MALFUNCTIONS
.......................................................................
IV-22
6. INSPECTION MODE
.......................................................................................................
IV-27
6.1 Incorporated Inspection Modes
..................................................................................................
IV-27
6.2
Error Codes
...............................................................................................................................
IV-29
APPENDICES
1.
Serial No. Descriptions
......................................................................................................
A-1
2.
Connection Diagram
..........................................................................................................
A-2
3.
Main PCB Circuit Diagram, (1/5)
........................................................................................
A-3
4.
Main PCB Circuit Diagram, (2/5)
........................................................................................
A-4
5.
Main PCB Circuit Diagram, (3/5)
........................................................................................
A-5
6.
Main PCB Circuit Diagram, (4/5)
........................................................................................
A-6
7.
Main PCB Circuit Diagram, (5/5)
........................................................................................
A-7
8.
Driver PCB Circuit Diagram
...............................................................................................
A-8
9.
Switch Panel/Solenoid, Bin/Relay PCB Circuit Diagram
....................................................
A-9
10. Low-voltage Power Supply PCB Circuit Diagram (110 - 240V)
........................................
A-10
11. Low-voltage Power Supply PCB Circuit Diagram (220 - 240V)
........................................
A-11
12. High-voltage Power Supply PCB Circuit Diagram
............................................................
A-12
13. SR PCB Circuit Diagram
..................................................................................................
A-13