HL-1850/1870N SERVICE MANUAL
6-7
Holding down the
switch and the
Set
switch at the same time while the error messages
display will cause the type of the error appears on the LCD display.
Error Messages
Meaning
Remedy
ERROR S01
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S02
Instruction access error
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S03
Memory address not
aligned
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S04
Instruction bus error
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S05
Data bus error
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S06
Privileged instruction
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S07
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S08
Illegal instruction
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S09
No fpu
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S10
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S11
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S12
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S13
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR S21
Unknown operator call
detected
Turn off the printer. Wait a few seconds,
then turn it on again. If still remains,
replace the main PCB.
ERROR E41
Error in communication
with the engine controller
Turn off the printer. Wait a few seconds,
then turn it on again. Refer to
M-12 E41
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 ...