IV-44
2.3.2
Circuit
(1) CPU
block
x
Model name:
TMPR4955AF-266,
MIPS 64bit RISC CPU manufactured by TOSHIBA
x
Clock speed:
66.7MHz (external) / 266MHz (internal)
x
Cache memory: 32KB (Command cache) / 32KB (Data cache)
x
Bus width:
32bit (external) / 64bit (internal)
Internal Floating Point Unit (FPU)
x
Appearance: 160-pin
QFP
(2) ASIC
block
x
Model name:
MF87F4561 manufactured by Fujitsu
x
Appearance: 420pin
BGA
x
Functions:
Controls CPU
Controls memory
Controls interrupts
Timer
External interfaces (Centronics, BR-NET, IDE, Compact Flash, USB)
Engine interface (Video signal control)
Supports Software
(3) Gate Array block
x
Model name:
SLAC099HF1A manufactured by Epson
x
Appearance: 160pin
QFP
x
Functions: Engine
control
(4) ROM
block
The ROM stores the CPU control program and font data. ROMs used are an
16Mbytes masked ROM, and an 8 Mbytes flash ROM which can be rewritten
on the board.
<Masked ROM>
x
Access time:
less than 100nsec. (page access: less than 30nsec)
x
Appearance: 48pin
TSOP
<Flash ROM>
x
Model name:
MBM29DL32BD-90 manufactured by Fujitsu
x
Access time:
less than 90nsec.
x
Appearance: 48-pin
TSOP
Содержание HL-2600CN Series
Страница 14: ...viii 3 Rating Label For US For Europe Jam label ...
Страница 16: ... 37 5 352 8 7 287 1 ...
Страница 26: ...CHAPTER II SPECIFICATIONS ...
Страница 38: ... 37 5 167 7 21 ...
Страница 50: ...CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS ...
Страница 64: ...IV 13 CBV DBV Fig 4 15 Y M C K Fig 4 16 Developer roller Toner OPC Belt Toner M Exposing Developing ...
Страница 99: ...Main PCB Circuit Diagram 1 8 CODE B512137CIR 1 8 LJ8907001 IV 48 NAME ...
Страница 100: ...Main PCB Circuit Diagram 2 8 CODE B512137CIR 2 8 LJ8907001 IV 49 NAME ...
Страница 101: ...Main PCB Circuit Diagram 3 8 CODE B512137CIR 3 8 LJ8907001 IV 50 NAME ...
Страница 102: ...Main PCB Circuit Diagram 4 8 CODE B512137CIR 4 8 LJ8907001 IV 51 NAME ...
Страница 103: ...Main PCB Circuit Diagram 5 8 CODE B512137CIR 5 8 LJ8907001 IV 52 NAME ...
Страница 104: ...Main PCB Circuit Diagram 6 8 CODE B512137CIR 6 8 LJ8907001 IV 53 NAME ...
Страница 105: ...Main PCB Circuit Diagram 7 8 CODE B512137CIR 7 8 LJ8907001 IV 54 NAME ...
Страница 106: ...Main PCB Circuit Diagram 8 8 CODE B512137CIR 8 8 LJ8907001 IV 55 NAME ...
Страница 108: ...IV 57 Layout of Connector Pin Assignment Power Supply Unit Fig 4 40 ...
Страница 112: ...IV 61 Layout of Connector Pin Assignment High Voltage Power Supply Unit Fig 4 41 ...
Страница 124: ...CHAPTER V CONTROL PANEL OPERATION ...
Страница 170: ...CHAPTER VI 3 5 2 0 17 1 1 ...
Страница 210: ...CHAPTER VII 6 66 0 ...
Страница 286: ... 37 5 9 7528 6 227 1 ...
Страница 330: ...9 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 a 9 b 10 11 12 13 14 ...
Страница 331: ...9 15 a 15 b 16 17 18 19 20 21 22 23 24 25 26 27 28 Fig 8 2 ...
Страница 351: ...A 4 6 Transfer Drum Hand writing X X X X X X 7 1 2 3 Location DATE MONTH SERIAL NO YEAR ...
Страница 366: ...A 19 6 Fix the four joints then band the box with two plastic bands P P band Joint ...