HL-3450CN SERVICE MANUAL
5-33
45
NVRAM TUNE UP
This mode is not used in normal operations, but is used when fine adjustment of the HVPSU
voltage values is required. Do not use this mode unless you are sure that you understand
the effects of making adjustments to the various charge voltages in the HVPSU.
This mode consists of the following 6 (six) subordinate modes from 45-1 to 45-6:
Configuration of NVRAM TUNE UP
<Factory
Setting>
45
NVRAM TUNE UP
45-1
LP TUNE UP
+ 4
45-2
THV TUNE UP
PPC/OHP: 0, LABEL: - 2
45-3
DBV TUNE UP
0
*3
DVM TUNE UP
+ 1
45-4
CBV TUNE UP
0
45-5
FBV TUNE UP
+ 1
*3
REG TUNE UP
0
*3
VDO TUNE UP
0
45-6
ADC TUNE UP
0
*3
AC1 TUNE UP
0
*3
LF2 TUNE UP
0
*3
AC2 TUNE UP
A/B/D: 0, C: + 1
*3
ADD TUNE UP
- 4
*3
TH1 TUNE UP
0
*3
PS1 TUNE UP
*1 ’0’ is applied for machines produced after June 2000. You need to set the CBV TUNE
UP value to ‘0’ for machines, which were produced before June 2000, to which ‘+1’, has been
applied. For setting procedures, see 45-4. CBV TUNE UP in this section.
*2 ‘+1’ is applied for machines produced after June 2000. You need to set the FBV TUNE
UP value to ‘+1’ for machines which were produced before June, 2000, to which ‘0’ has been
applied. For setting procedures, see 45-5. FBV TUNE UP in this section.
*3 Do not change settings of these modes.
NOTE:
After performing NVRAM INITIAL in the next section, be sure to set the LP TUNE UP value to
‘+ 4’
*2
*1
Содержание HL-3450CN Series
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Страница 17: ...HL 3450CN SERVICE MANUAL CHAPTER 1 PRODUCT OUTLINE ...
Страница 27: ...HL 3450CN SERVICE MANUAL CHAPTER 2 SPECIFICATIONS ...
Страница 39: ...CHAPTER 3 INSTALLATION ...
Страница 54: ...HL 3450CN SERVICE MANUAL CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS ...
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Страница 105: ...CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS 4 52 Main PCB Circuit Diagram 2 8 CODE B512137CIR 2 8 LJ8907001 NAME ...
Страница 106: ...HL 3450CN SERVICE MANUAL 4 53 Main PCB Circuit Diagram 3 8 CODE B512137CIR 3 8 LJ8907001 NAME ...
Страница 107: ...CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS 4 54 Main PCB Circuit Diagram 4 8 CODE B512137CIR 4 8 LJ8907001 NAME ...
Страница 108: ...HL 3450CN SERVICE MANUAL 4 55 Main PCB Circuit Diagram 5 8 CODE B512137CIR 5 8 LJ8907001 NAME ...
Страница 109: ...CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS 4 56 Main PCB Circuit Diagram 6 8 CODE B512137CIR 6 8 LJ8907001 NAME ...
Страница 110: ...HL 3450CN SERVICE MANUAL 4 57 Main PCB Circuit Diagram 7 8 CODE B512137CIR 7 8 LJ8907001 NAME ...
Страница 111: ...CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS 4 58 Main PCB Circuit Diagram 8 8 CODE B512137CIR 8 8 LJ8907001 NAME ...
Страница 112: ...HL 3450CN SERVICE MANUAL 4 59 Network Board PCB Circuit Diagram CODE LJ8107001 NAME B512058CIR ...
Страница 114: ...HL 3450CN SERVICE MANUAL 4 61 TAB2 HP TAB1 HN ACN4 ACN1 ACN3 ACN2 ACN5 Inlet Black White Power Switch Fig 4 40 ...
Страница 126: ...HL 3450CN SERVICE MANUAL CHAPTER 5 CONTROL PANEL OPERATION ...
Страница 173: ...HL 3450CN SERVICE MANUAL CHAPTER 6 PERIODIC MAINTENANCE ...
Страница 208: ...CHAPTER 7 DISASSEMBLY RE ASSEMBLY ...
Страница 264: ...HL 3450CN SERVICE MANUAL CHAPTER 8 TROUBLESHOOTING ...
Страница 310: ...HL 3450CN SERVICE MANUAL 8 47 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 a 9 b 10 11 12 13 14 ...
Страница 311: ...CHAPTER 8 TROUBLESHOOTING 8 48 15 a 15 b 16 17 18 19 20 21 22 23 24 25 26 27 28 244m m 29 ...