TABLE OF CONTENTS
ii
TABLE OF CONTENTS
REGULATION.............................................................................................viii
SAFETY INFORMATION...............................................................................x
CHAPTER 1 GENERAL .......................................................................... 1-1
1. FEATURES .............................................................................................................1-1
2. OVERVIEW .............................................................................................................1-3
3. SPECIFICATIONS...................................................................................................1-4
3.1 Printing ............................................................................................................................. 1-4
3.2 Functions.......................................................................................................................... 1-5
3.3 Electrical and Mechanical ................................................................................................ 1-6
3.4 Network ............................................................................................................................ 1-7
3.5 Paper................................................................................................................................ 1-8
3.5.1 Feedable paper................................................................................................................... 1-8
3.5.2 Paper cassette capacity.................................................................................................... 1-10
3.5.3 Print delivery ..................................................................................................................... 1-10
3.6 Printing Area................................................................................................................... 1-11
3.6.1 PCL5e/EPSON/IBM emulation.......................................................................................... 1-11
3.6.2 PCL6/BR-Script3 emulation .............................................................................................. 1-14
CHAPTER 2 INSTALLATION AND BASIC OPERATION ...................... 2-1
1. CONDITIONS REQUIRED FOR INSTALLATION....................................................2-1
1.1 Power Supply ................................................................................................................... 2-1
1.2 Environment ..................................................................................................................... 2-1
1.3 System Requirements for Brother Printer Solution for Windows
®
.................................... 2-1
2. UNPACKING ...........................................................................................................2-2
3. INSTALL THE PRINTER .........................................................................................2-3
3.1 For All Users .................................................................................................................... 2-3
3.1.1 Install the drum unit assembly ............................................................................................ 2-4
3.1.2 Load paper into the paper cassette .................................................................................... 2-4
3.1.3 Print a test page.................................................................................................................. 2-5
3.2 For Windows
®
Users ........................................................................................................ 2-6
3.3 For Macintosh Users...................................................................................................... 2-10
4. PRINTING METHODS...........................................................................................2-12
4.1 Printing from the Paper Cassette ................................................................................... 2-12
4.2 Printing from Multi-purpose Tray.................................................................................... 2-12
4.2.1 Printing on envelopes (Face up printing) .......................................................................... 2-14
4.2.2 Printing on label, transparency, etc. ................................................................................. 2-15
4.3 Printing to the Face up Output Tray (Face up Printing) ................................................. 2-17
4.4 Printing on Both Sides of the Paper (Duplex Printing) ................................................... 2-17
4.5 Manual Feed .................................................................................................................. 2-18
Summary of Contents for HL-1870N
Page 15: ...HL 1850 1870N SERVICE MANUAL xiii ...
Page 77: ...CHAPTER 2 INSTALLATION AND BASIC OPERATION 2 48 ...
Page 82: ...HL 1850 1870N SERVICE MANUAL 3 5 Fig 3 5 ...
Page 91: ...CHAPTER 3 THEORY OF OPERATION 3 14 Fig 3 15 ...
Page 101: ...CHAPTER 3 THEORY OF OPERATION 3 24 ...
Page 109: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 2 ...
Page 131: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 24 Fig 4 39 ...
Page 141: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 34 Never touch the surface of the heat roller ...
Page 148: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 41 ...
Page 158: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 51 Fig 4 80 ...
Page 160: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 53 Fig 4 82 ...
Page 167: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 60 Fig 4 91 ...
Page 169: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 62 Fig 4 93 ...
Page 172: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 65 Fig 4 97 ...
Page 174: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 67 3 27 Harness Winding Form ...
Page 183: ...CHAPTER 5 PERIODIC MAINTENANCE 5 8 ...
Page 186: ...HL 1850 1870N SERVICE MANUAL 5 11 ...
Page 194: ...CHAPTER 6 TROUBLESHOOTING 6 8 error in this chapter ...
Page 202: ...CHAPTER 6 TROUBLESHOOTING 6 16 ...
Page 205: ...HL 1850 1870N SERVICE MANUAL 6 19 ...
Page 210: ...CHAPTER 6 TROUBLESHOOTING 6 24 ...
Page 237: ...HL 1850 1870N SERVICE MANUAL 6 51 No Refer and compare with I 15 ...
Page 255: ...HL 1850 1870N SERVICE MANUAL 6 69 ...
Page 261: ...CHAPTER 7 HIDDEN FUNCTIONS 7 6 DRAM CHECK START START DRAM TEST Tests DRAM data ...
Page 270: ...HL 1850 1870N SERVICE MANUAL 7 15 ...
Page 271: ......
Page 272: ...Appendix 1 Connection Diagram HL 1850 1870N A 1 ...
Page 273: ...Appendix 2 Main PCB Circuit Diagram HL 1850 1870N 1 6 CODE LJ8453001 B512078CIR 1 6 A 2 NAME ...
Page 274: ...Appendix 3 Main PCB Circuit Diagram HL 1850 1870N 2 6 CODE LJ8453001 B512078CIR 2 6 A 3 NAME ...
Page 275: ...Appendix 4 Main PCB Circuit Diagram HL 1850 1870N 3 6 CODE LJ8453001 B512078CIR 3 6 A 4 NAME ...
Page 276: ...Appendix 5 Main PCB Circuit Diagram HL 1850 1870N 4 6 CODE LJ8453001 B512078CIR 4 6 A 5 NAME ...
Page 277: ...Appendix 6 Main PCB Circuit Diagram HL 1850 1870N 5 6 CODE LJ8453001 B512078CIR 5 6 A 6 NAME ...
Page 278: ...Appendix 7 Main PCB Circuit Diagram HL 1850 1870N 6 6 CODE LJ8453001 B512078CIR 6 6 A 7 NAME ...
Page 284: ...Appendix 13 High voltage Power Supply PCB Circuit Diagram A 13 NAME High voltage PS Circuit ...
Page 303: ...APPENDIX A 32 ...