EPSON AcuLaser C2000 / AcuLaser C1000
Revision E
Operating Principles
Controller Board Operating Principles
101
2.3 Controller Board Operating Principles
2.3.1 Controller Board for AcuLaser C2000
The following is the C314MAIN board block diagram.
Figure 2-38. C314MAIN Board Block Diagram (AcuLaser C2000)
Specifications (AcuLaser C2000)
Table 2-1. Specifications (AcuLaser C2000)
op44
CN11
CN10
CN12
CN1
CN7,8
CN2
CN3,4
CN18
CN16
MC
Item
Location
Note
CPU
IC1
266MHz (outside clock 66.6666MHz) R5000A
E05B51BB
IC2
• ASIC MR64
Connected to CPU and controls access to the
memory and peripheral devices.
E05B52AA
IC4
• ASIC IORB
Connects MR64 and IOC3.
E05B40BA
IC5
• ASIC IOC3
Interface I/C
- Panel
- Timer
- Parallel I/F, Type-B I/F
E05B79BA
IC6
• New video ASIC VLP1a
- Color laser printer video I/F
- Engine I/F
- Improve the half tone gradation
- Color conversion
- Zip / unzip function
RAM DIMM
S0
JEDEC compliance, 32MB, 64bits, 168pin, SPD
RAM DIMM
S1
RAM expansion slot
CODE DIMM
CN2
(Slot0)
• Program ROM
Board assembly, memory, C269PROG
ROM DIMM
CN3, CN4
• Expansion font
• EPGL program
IPL/FONT ROM
IC15, 16
44 pin SOP package
25128
IC21
Serial EEPROM
- Stores printer setting
DL10019C
IC
Network control IC
PBUS
CN1
(for HDD connection)
M51953
IC3
• RESET IC
Reset this controller.
NM93CS56N
IC26
Serial EEPROM
- Network controller initialization setting
- Stores MAC address
- Stores hardware revision
Summary of Contents for ACULASER COLOR 1000
Page 1: ...EPSON ACULASERCOLOR2000 ACULASERCOLOR1000 A4 Color Laser Printer SEPG00004 SERVICE MANUAL ...
Page 12: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
Page 68: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 104: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 138: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 182: ...C H A P T E R 5 ADJUSTMENT ...
Page 187: ...C H A P T E R 6 MAINTENANCE ...
Page 189: ...C H A P T E R 7 APPENDIX ...
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