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Confidential

CONTENTS

REGULATION ......................................................................................................... viii

SAFETY INFORMATION......................................................................................... xiv

CHAPTER 1 SPECIFICATIONS

1. SPECIFICATIONS LIST............................................................................................................... 1-1

1.1 General................................................................................................................................ 1-1

1.2 Network Connectivity ........................................................................................................... 1-6

1.3 Service Information.............................................................................................................. 1-7

1.4 Supplies............................................................................................................................... 1-8

1.5 Paper ................................................................................................................................. 1-10

1.5.1 Paper handling .................................................................................................... 1-10

1.5.2 Media specifications ............................................................................................ 1-11

1.5.3 Type and size of paper........................................................................................ 1-11

1.6 Printable & Scannable Area............................................................................................... 1-12

1.7 Telephone.......................................................................................................................... 1-12

1.8 FAX (Only for the models with FAX function) .................................................................... 1-13

1.9 Copy .................................................................................................................................. 1-13

1.10 Scanner ............................................................................................................................. 1-14

1.11 USB Direct Interface .......................................................................................................... 1-14

CHAPTER 2 TROUBLESHOOTING

1. INTRODUCTION .......................................................................................................................... 2-1

1.1 Precautions.......................................................................................................................... 2-1

1.2 Checks before Commencing Troubleshooting..................................................................... 2-2

2. OVERVIEW .................................................................................................................................. 2-4

2.1 Cross-section Drawing......................................................................................................... 2-4

2.1.1 Printer part............................................................................................................. 2-4

2.1.2 ADF unit/Document scanner unit .......................................................................... 2-5

2.2 Paper Feeding ..................................................................................................................... 2-7

2.2.1 Printer part............................................................................................................. 2-7

2.2.2 Scanning ............................................................................................................... 2-8

2.3 Operation of Each Part ........................................................................................................ 2-9

2.4 Block Diagram ................................................................................................................... 2-11

2.5 Main Components.............................................................................................................. 2-12

2.6 Life of Toner Cartridge and Drum Unit............................................................................... 2-13

3. ERROR INDICATIONS............................................................................................................... 2-18

3.1 Error Codes ....................................................................................................................... 2-18

Brother DCP-8157DN User Manual

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