APPENDIX
A-30
APPENDIX 22. HOW TO REWRITE HL-1850/1870N FLASH ROM
Working contents
1) Rewrite a Main firmware.
2) Rewrite a Network firmware.
3) Rewrite a Patch Area of Main Mask ROM (=embedded Flash ROM).
4) Set up by country.
Object parts
LH8944001 MAIN PCB ASSY 1850/1870N
Preparation tool
1) PC (Windows
95/98)
2) 1 HL-1850/1870N printer
3) 1 CDCC cable
4) ZLHEFWRT.EXE(software)
Time required for rewriting work
1) Main firmware
app.7 min.
2) Network firmware
app. 2 min.
NOTE; Working hours change according to the capability of PC to be used.
Rewriting procedure
1) Prepare the Windows
95 or 98. When rewriting work has been done before, be sure to
delete all files which developed at that time. Create the folder ZLhe in C drive, and save
the
ZLHEFWRT.EXE
in it. Run
ZLHEFWRT.EXE
. The window which checks execution
comes out, then click
OK
. A required file is developed in the folder ZLhe.
2) Choose Start >Program >MS-DOS
Since the DOS window is opened, move the BLF folder under the ZLhe folder by CD
command.
( How to input the command ; CD C:\ZLhe\PIT\BLF +
ENTER
)
3) Connect the CDCC cable to the printer, then turn the printer power switch
ON
. Wait until
the printer LCD display turn green and
READY
message appears.
4) Input
fls-prg verXXX.ava
in DOS window, then press
ENTER
.
( XXX expresses a version. Check by the DIR command.)
Data is sended by parallel cable, then rewriting starts.
5) After finishing rewriting, the system will be rebooted. Wait until
READY
message appears
on the LCD display of printer.
6) Move to the ZLhe folder by CD command in DOS window.
( How to input the command ; CD C:\ZLhe +
ENTER
)
7) Input
PIT2
in DOS window, then press
ENTER
. PIT2 (software tool)will be started.
8) <for HL-1850>
Input
/CS1850
in PIT2 control window, then press
ENTER
.
CS1850 (SCRPTY.YY)
message appears in the model section of PIT2 control window.
Содержание HL-1870N
Страница 15: ...HL 1850 1870N SERVICE MANUAL xiii ...
Страница 77: ...CHAPTER 2 INSTALLATION AND BASIC OPERATION 2 48 ...
Страница 82: ...HL 1850 1870N SERVICE MANUAL 3 5 Fig 3 5 ...
Страница 83: ...CHAPTER 3 THEORY OF OPERATION 3 6 1 3 2 ROM Two 64 Mbits ROMs x 16 bit are fitted Fig 3 6 HL 1850 HL 1870N ...
Страница 85: ...CHAPTER 3 THEORY OF OPERATION 3 8 1 3 4 SDRAM A 64M bit SDRAM x 32 bits is used as the RAM Fig 3 8 HL 1850 ...
Страница 86: ...HL 1850 1870N SERVICE MANUAL 3 9 Two 64M bit SDRAMs x 16 bits are used as the RAM Fig 3 9 HL 1870N ...
Страница 91: ...CHAPTER 3 THEORY OF OPERATION 3 14 Fig 3 15 ...
Страница 101: ...CHAPTER 3 THEORY OF OPERATION 3 24 ...
Страница 109: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 2 ...
Страница 131: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 24 Fig 4 39 ...
Страница 141: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 34 Never touch the surface of the heat roller ...
Страница 148: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 41 ...
Страница 158: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 51 Fig 4 80 ...
Страница 160: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 53 Fig 4 82 ...
Страница 167: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 60 Fig 4 91 ...
Страница 169: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 62 Fig 4 93 ...
Страница 172: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 65 Fig 4 97 ...
Страница 174: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 67 3 27 Harness Winding Form ...
Страница 183: ...CHAPTER 5 PERIODIC MAINTENANCE 5 8 ...
Страница 186: ...HL 1850 1870N SERVICE MANUAL 5 11 ...
Страница 194: ...CHAPTER 6 TROUBLESHOOTING 6 8 error in this chapter ...
Страница 202: ...CHAPTER 6 TROUBLESHOOTING 6 16 ...
Страница 205: ...HL 1850 1870N SERVICE MANUAL 6 19 ...
Страница 210: ...CHAPTER 6 TROUBLESHOOTING 6 24 ...
Страница 237: ...HL 1850 1870N SERVICE MANUAL 6 51 No Refer and compare with I 15 ...
Страница 255: ...HL 1850 1870N SERVICE MANUAL 6 69 ...
Страница 261: ...CHAPTER 7 HIDDEN FUNCTIONS 7 6 DRAM CHECK START START DRAM TEST Tests DRAM data ...
Страница 270: ...HL 1850 1870N SERVICE MANUAL 7 15 ...
Страница 271: ......
Страница 272: ...Appendix 1 Connection Diagram HL 1850 1870N A 1 ...
Страница 273: ...Appendix 2 Main PCB Circuit Diagram HL 1850 1870N 1 6 CODE LJ8453001 B512078CIR 1 6 A 2 NAME ...
Страница 274: ...Appendix 3 Main PCB Circuit Diagram HL 1850 1870N 2 6 CODE LJ8453001 B512078CIR 2 6 A 3 NAME ...
Страница 275: ...Appendix 4 Main PCB Circuit Diagram HL 1850 1870N 3 6 CODE LJ8453001 B512078CIR 3 6 A 4 NAME ...
Страница 276: ...Appendix 5 Main PCB Circuit Diagram HL 1850 1870N 4 6 CODE LJ8453001 B512078CIR 4 6 A 5 NAME ...
Страница 277: ...Appendix 6 Main PCB Circuit Diagram HL 1850 1870N 5 6 CODE LJ8453001 B512078CIR 5 6 A 6 NAME ...
Страница 278: ...Appendix 7 Main PCB Circuit Diagram HL 1850 1870N 6 6 CODE LJ8453001 B512078CIR 6 6 A 7 NAME ...
Страница 281: ...Appendix 10 Network Board PCB Circuit Diagram HL 1850 1870N CODE LJ8439001 A 10 NAME B512058CIR ...
Страница 282: ...Appendix 11 Low voltage Power Supply PCB Circuit Diagram 100V A 11 NAME Low voltage PS Circuit 100V ...
Страница 283: ...Appendix 12 Low voltage Power Supply PCB Circuit Diagram 200V A 12 NAME Low voltage PS Circuit 200V ...
Страница 284: ...Appendix 13 High voltage Power Supply PCB Circuit Diagram A 13 NAME High voltage PS Circuit ...
Страница 303: ...APPENDIX A 32 ...