2GM
2-3-1
ASIC
(U2)
CPU
(U1)
CPUA [31:0]
CPUD [31:0]
LD [31:16]
LD [15:0]
LA
[22:2]
LA [22:5]
ROMA[4:2],
ROMOEN[0],
ROMCSN[1:0],
ROMWEN[0]
ROMA[1],
ROMOEN[1],
ROMCSN[3]
ROMA[1],
ROMOEN[0],
ROMCSN[3],
ROMWEN[0]
ROMA[1],
ROMOEN[1],
ROMCSN[2]
CFCSN[1],
CFOEN[1],
CDETA[2:1],
CFWAITN[1],
CFWE[1]
KUIOCSN[1],IODATACKN[1],KUIOIR[1],
KUIORDY[1],KUIORSTN[1],IORN[1],
IOWN[1],DMAREQR[1],DMAREQT[1],
DMAACKRN[1],DMAACKTN[1]
LA [21:2]
LA [21:2]
LA [22:2]
SDA [12:0]
SDD [31:0]
SDA [12:0]
SDD [31:0]
LA [20:2]
Flash
memory
(U13)
API ROM
socket
(YS4)
CODE
DIMM
(YS1)
SDRAM
(U14,15)
SDRAM
DIMM
slot
(YS2)
FAX
control
PWB
(YC1)
Compact
Flash
socket
(YC2)
Font
ROM
(U12)
Transceiver
(U4,6,8,10)
RTC
(U11)
Latch
(U5,7,9)
Scanner I/F
(YC6)
Laser
scanner unit
(YC8)
Parallel I/F
(YC3)
USB
(YC4)
Ethernet
(YC5)
Front panel
(YC13)
Engine I/F
(YC7)
Debugger I/F
(YC10)
EEPROM
(YS5)
CCDRD,CCDBED,CCDGOD,
CCDSH,CCDCLP,CCDRS,
CCDCLK,CCDSW[1:0]
AUDIO,FRRSTN,PANTXD,
PANRXD,PANRTS,PANCTS
OUTPEN,ENGINE,SDIR,SBSY,
PDMASKN,SI,PLGCLK,RESINX,
PAGESET,SO,SCKN
VDFONSPL,OUTPEN.
VDATA,BDN
USB DAT[15:0]
DBTXD,DBRXD,DBCLK
IICSCL,IICSDA
U21
TXD[3:0],
RXD[3:0]
U22
PDAT[8:0]
U20
Figure 2-3-1 Main PWB circuit block diagram
2-3-1 Main PWB
Summary of Contents for CD 1018
Page 1: ...Service Manual MFP Copy CD 1018 Date 17 03 2005 ...
Page 2: ...Service Manual MFP Copy DC 2018 Date 17 03 2005 ...
Page 70: ...2GM 1 5 2 2 Paper misfeed detection conditions Registration sensor Exit sensor Figure 1 5 2 ...
Page 124: ...2GM 1 6 31 Eraser lamp 9 Remove the eraser lamp Figure 1 6 35 Removing the eraser lamp ...
