CHAPTER 7 HIDDEN FUNCTIONS
7-8
Title & Subtitle
Item to be Set
Description
PS300RESO
PS300RESO=NO*
Does not reduce the resolution
automatically.
PS300RESO=IF 2M
Reduces the resolution to
300dpi when the total memory is
2Mbytes.
PS300RESO=FORCE
Reduces the resolution to
300dpi.
COPY PAGES
COPY PAGES=ON*
COPY PAGES=OFF
OFF: 1 page is fixed for the
copy page number.
PANEL RESET MODE
RESET=NORMAL*
RESET=JOB
JOB: Changes reset printer
function to job cancel function.
JOB TIMEOUT SEL
TIMEOUT=ON*
PJL JOB TIMEOUT is effective.
TIMEOUT=OFF
PJL JOB TIMEOUT does not
carry out.
BACKLIGHT TEST
BACKLIGHT=OFF
BACKLIGHT=GREEN
BACKLIGHT=RED
BACKLIGHT=ORANGE
exit
Tests color of the backlight.
VIEWANGLE TEST
VIEWANGLE=0
VIEWANGLE=1
VIEWANGLE=2
exit
Tests view angle of the LCD
display.
NV-RAM DEBUG
NV-RAM DISPLAY
NV-RAM HEX PRINT
exit
Displays and prints out NVRAM
data.
Users MUST NOT use
this function.
JOB CANCEL TIME
TIME OUT=XXsec
Selects time (1 to 255 seconds)
job cancel job becomes time
out
PSJAPANESE FONT
JAPFONT=OFF
JAPFONT=ON
Decide to support PS3
Japanese font or not. Default is
ON in domestic. OFF in
overseas.
EXCAHNGE FONTNAME
EXCHANGE=OFF
EXCHANGE=ON
In PS3 Japanese fonts, when
the font name which is not
supported is specified, it
determines whether substitute
internally or not.
PSCOPUPAGE
PSCOPYPAGE=L3*
PSCOPYPAGE=L2
Switch the PS copypage
operator mode to level 2 mode
or level 3 mode. Default is L3.
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 ...