Brother HL-1870N - Page 9

HL-1850/1870N SERVICE MANUAL
vii
APPENDICES
1. CONNECTION DIAGRAM, HL-1850/1870N ........................................................... A-1
2. MAIN PCB CIRCUIT DIAGRAM, HL-1850/1870N (1/6) .......................................... A-2
3. MAIN PCB CIRCUIT DIAGRAM, HL-1850/1870N (2/6) .......................................... A-3
4. MAIN PCB CIRCUIT DIAGRAM, HL-1850/1870N (3/6) .......................................... A-4
5. MAIN PCB CIRCUIT DIAGRAM, HL-1850/1870N (4/6) .......................................... A-5
6. MAIN PCB CIRCUIT DIAGRAM, HL-1850/1870N (5/6) .......................................... A-6
7. MAIN PCB CIRCUIT DIAGRAM, HL-1850/1870N (6/6) .......................................... A-7
8. ENGINE PCB CIRCUIT DIAGRAM, HL-1850/1870N (1/2) ..................................... A-8
9. ENGINE PCB CIRCUIT DIAGRAM, HL-1850/1870N (2/2) ..................................... A-9
10. NETWORK BOARD PCB CIRCUIT DIAGRAM, HL-1850/1870N.......................... A-10
11. LOW-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM (100V) ................. A-11
12. LOW-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM (200V) ................. A-12
13. HIGH-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM ............................ A-13
14. SERIAL NO. DESCRIPTIONS.............................................................................. A-14
15. DIAMETER / CIRCUMFERENCE OF ROLLERS.................................................. A-16
16. PRINT SPEEDS WITH VARIOUS SETTINGS...................................................... A-17
17. HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER .................................... A-18
18. HOW TO USE THE SELF-DIAGNOSTICS TOOLS ............................................. A-23
19. NVRAM DEFAULT VALUE................................................................................... A-27
20. PAPER CASSETTE INFORMATION (FOR EUROPE ONLY)............................... A-28
21. GUIDELINES FOR LEAD FREE SOLDER (MAIN PCB ASSY) .......................... A-29
22. HOW TO REWRITE HL-1850/1870N FLASH ROM ............................................. A-30
INDEX