Page 1

Chapter Four OPERATION OVERVIEW
Page 2

Chapter Four OPERATION OVERVIEW
Electrophotographics system 4-4
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$PRUSKRXV0VLOLFRQ#GUXP#708
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'UXP#FOHDQLQJ#DQG#HUDVLQJ#VWDWLF#FKDUJH#7053
7\SLFDO#SKRWR#SURFHVV#WLPLQJ#FKDUW#7054
Paper feeding system 4-23
3DSHU#FRQWURO#VLJQDOV#7057
3DSHU#IHHGLQJ#FRPSRQHQWV#7058
&RQWURO#GHYLFHV#7059
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Print timing charts 4-34
Basic engine functions 4-37
Engine controller system 4-38
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Logic controller system 4-51
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3ULQWLQJ#GDWD#SURFHVVLQJ#7087
Page 3

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6HULDO#LQWHUIDFH#7095
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Page 4

Electrophotographics system
Operation overview
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Electrophotography
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WRVHQVLWLYH#GUXP/#ILQDOO\#IXVLQJ#RQ#SDSHU/#XVLQJ#OLJKW#EHDP#JHQHUDWHG#E\#D#ODVHU#GL0
RGH1
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•
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LQJ#WHFKQLTXH,
•
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•
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•
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Electrophotographic cycle
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VWHSV#DV#IROORZV1#(DFK#VWHS#LV#WHFKQLFDOO\#H[SODLQHG#LQ#WKH#IROORZLQJ#VHFWLRQV1
#LV#WKH#WHFKQRORJ\#XVHG#LQ#ODVHU#SULQWLQJ#ZKLFK#WUDQVIHUV#GDWD#UHS0
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2 Exposure
1 Main Charging
6 Cleaning
4 Transfer
5 Fusing
3 Developing7 Erasing
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Page 5

Operation overview
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Amorphous-silicon drum
7KH#SULQWHU#XVHV#WKH#ORQJ#ODVWLQJ#DPRUSKRXV#VLOLFRQ#+D06L,#GUXP1#7KH#SKRWRFRQGXFWLYH
OD\HU#LV#FRDWHG#RYHU#WKH#DOXPLQXP#F\OLQGHU#EDVH#DV#VKRZQ#EHORZ1#7KH#DOXPLQXP#EDVH
LV#HOHFWULFDOO\#JURXQGHG#WR#WKH#JURXQG1
7KH#SKRWRFRQGXFWLYH#OD\HU#LV#FKDUJHG
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KLJK#YROWDJH#FKDUJLQJ#+FRURQD#FKDUJ0
LQJ,#JLYHQ#E\#WKH#PDLQ#FKDUJHU#XQLW
+WKH#ZLUH#DQG#JULG,1#7KH#DUHD#RQ#WKH
FKDUJHG#GUXP#VXUIDFH#ZKLFK#LV#H[0
SRVHG#WR#WKH#ODVHU#EHDP/#DV#WKH#SULQW
LPDJH#LV#VWDWLVWLFDOO\#GUDZQ#RYHU#WKH
GUXP/#ORVHV#WKH#FKDUJH#DV#LW#LV#HVFDSHG
WKURXJK#WKH#JURXQG1#7KH#UHVXOWDQW
HOHFWURVWDWLF#ODWHQW#+QHJDWLYH,#LPDJH#LV
WKHQ#GHYHORSHG#E\#WRQHU#DQG#WUDQVIHU#WR#WKH#PHGLXP#OLNH#SDSHU1
7KH#DPRUSKRXV#VLOLFRQ#SKRWR#FRQGXFWRU#LV#H[WUHPHO\#KDUG/
QRQ0WR[LF/#DQG#KLJKO\#UHVLVWLYH#DJDLQVW#FKHPLFDO#VXEVWDQFHV1
7KHVH#FKDUDFWHULVWLFV#RI#WKH#DPRUSKRXV#PDWHULDO#PDNH#LWVHOI
XS#WR#D#PRVW#GXUDEOH/#VWDEOH#SKRWRFRQGXFWRU#IRU#WKH#HOHFWUR0
SKRWRJUDSK\#SULQWHU1
Photoconductive layer
Aluminum base cylinder
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Page 6

Operation overview
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Charging the drum
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&KDUJLQJ#WKH#GUXP#LV#GRQH#E\#WKH#PDLQ#FKDUJHU#XQLW#PDUNHG#A#LQ#WKH#GLDJUDP1
A
B
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D#XQLIRUP/#SRVLWLYH#+.,#FRURQD#FKDUJH#GLVSHUVHG#E\#WKH#PDLQ#FKDUJHU#ZLUH#+A,1
'XH#WR#KLJK0YROWDJH#VFRURWURQ#FKDUJLQJ/#WKH#FKDUJLQJ#ZLUH#FDQ#JHW#FRQWDPLQDWHG#E\
R[LGL]DWLRQ#DQG#WKHUHIRUH#PXVW#EH#FOHDQHG#SHULRGLFDOO\#IURP#WLPH#WR#WLPH#XVLQJ#WKH
PHWKRG#H[SODLQHG#LQ#FKDSWHU#61#&OHDQLQJ#WKH#FKDUJLQJ#ZLUH#SUHYHQWV#SULQW#TXDOLW\
SUREOHPV#VXFK#DV#EODFN#VWUHDNV#FDXVHG#E\#WKH#R[LGH#DF0FXPXODWHG#DURXQG#WKH#FKDUJ0
LQJ#ZLUH1
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Page 7

Operation overview
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Toner
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DQG#FRPSULVHG#RI#WKH#IROORZLQJ#VXEVWDQFHV#DV#GHSLFWHG#EHORZ1
Single component toner TK-30
A
B
C
D
A - Resin
B - Ferrite
C - Silica
D - Polisher
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Page 8

Exposure
Operation overview
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B
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Page 9

Operation overview
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7KH#ODVHU#EHDP#LV#VZLWFKHG#RQ#IRU#D#EODFN#GRW#DQG#RII#IRU#D#ZKLWH#+EODQN,#GRW#DFFRUGLQJ
WR#WKH#SULQW#GDWD1#:KHQHYHU#LW#LV#LOOXPLQDWHG#E\#WKH#ODVHU#EHDP/#WKH#HOHFWULFDO#UHVLV0
WDQFH#RI#WKH#SKRWRFRQGXFWRU#LV#UHGXFHG/#WKH#SRWHQWLDO#RQ#WKH#SKRWRFRQGXFWRU#LV#DOVR
ORZHUHG#IURP#DSSUR[LPDWHO\#5839##WR#539/#HIIHFWLYHO\#GULYLQJ#WKH#FKDUJH#WKURXJK#WKH
D06L#OD\HU#GRZQ#WR#WKH#DOXPLQXP#EDVH1
+++++
a-Si LAYER
ALUMINUM
LASER BEAM
++++
----
++++
LASER BEAM
250V
20V
0V
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Page 10

Operation overview
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Scanner unit
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OHQJWK#ODVHU#EHDP1#7KLV#ZDYHOHQJWK#LV#VSHFLILFDOO\#GHVLJQHG#WR#PDWFK#WKH#SKRWRFRQ0
GXFWLYH#UHVSRQVH#RI#DPRUSKRXV#VLOLFRQ1
w
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KRUL]RQWDO#DQG#YHUWLFDO1#7KH#IXQFWLRQ#RI#HDFK#FRPSRQHQW#LV#GHVFULEHG#LQ#WKH#IROORZLQJ
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723#9,(:
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v
p
r
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Page 11

6,'(#9,(:
Operation overview
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Drum
n
Laser diode
o
Collimeter lens—
p
Cylindrical lens—
q
Polygon mirror (motor)—
VSRQGLQJ#WR#RQH#VFDQQHG#OLQH#ZLGWK#RQ#WKH#GUXP#ZKHQ#ODVHU#EHDP#VFDQV#RQ#LW1
r
Primary f-theta lens—
³HPLWV#GLIIXVHG/#YLVLEOH#ODVHU1
DOLJQV#WKH#ODVHU#EHDP#WR#WKH#F\OLQGULFDO#OHQV1
FRPSHQVDWHV#WKH#VODQW#DQJOH#DW#ZKLFK#WKH#ODVHU#EHDP#KLWV#D#SRO\JRQ#PLUURU#VHJPHQW1
KDV#WHQ#PLUURU#VHJPHQWV#DURXQG#LWV#RFWDJRQDO#FLUFXPIHUHQFH>#HDFK#PLUURU#FRUUH0
6HH#EHORZ1
u
s
Secondary f-theta lens—
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ORQJHU#DV#WKH#ODVHU#EHDP#KLWV#FORVHU#WR#WKH#GUXP#HGJHV1#,Q#WKH#ILJXUH#EHORZ/#GLVWDQFHV#UHSUHVHQWHG#E\#´$µ#DQG
´%µ#DUH#QRW#WKH#VDPH#+$!%,#XQWLO#WKH#I0WKHWD#OHQVHV#DUH#SURYLGHG#EHWZHHQ#WKH#SRO\JRQ#PLUURU#DQG#WKH#GUXP
+$· %,1
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Page 12

Operation overview
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t
Diversion mirror —
SLQ0SRLQWV#RQ#WKH#GUXP1
u
Protective glass —
v
Sensor mirror —
➓
Beam detector sensor —
VLJQDO#IRU#WKH#HQJLQH#FRQWUROOHU#WR#VWDUW#DFWLYDWLQJ#WKH#SDSHU#IHHGLQJ#V\VWHP1
GLYHUWV#WKH#ODVHU#EHDP#YHUWLFDOO\#RQWR#WKH#GUXP1#1RWH#WKH#GLIIXVHG#ODVHU#EHDP#ILQDOO\
SUHYHQWV#GXVW/#GHEULV/#HWF1/#IURP#HQWHULQJ#WKH#VFDQQHU#DVVHPEO\1
EHQGV#WKH#YHU\#ILUVW#VKRW#RI#D#ODVHU#VFDQ#WRZDUGV#WKH#EHDP#GHWHFWLRQ#VHQVRU#+6HH#QH[W1,1
ZKHQ#VKRQH#E\#WKH#VHQVRU#PLUURU#DERYH/#WKLV#SKRWRVHQVRU#JHQHUDWHV#D#WULJJHU
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Page 13

Operation overview
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Laser scanning
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QRPLQDO#UHYROXWLRQ#RI#4:/:33#USP,/#WKH#ODVHU#EHDP#UHIOHFWV#RII#RI#LW#DQG#UHDFKHV#WKH
FKDUJHG#GUXP#VXUIDFH#LQ#D#OHQJWKZLVH#PDQQHU1
$#SDLU#RI#+SODVWLF,#OHQVHV#SURYLGHV#IRFXVLQJ#WKH#KRUL]RQWDOO\#VZHHSLQJ#ODVHU#EHDP#RQWR
WKH#GUXP1#$V#WKH#GUXP#URWDWHV/#WKH#ODVHU#EHDP#VZHHSV#WKH#HQWLUH#OHQJWK#RI#WKH#GUXP
VR#WKDW#WKH#GUXP·V#HQWLUH#FLUFXPIHUHQFH#LV#H[SRVHG#WR#WKH#ODVHU#EHDP1#7KH#UHYROXWLRQ
RI#WKH#SRO\JRQ#PLUURU#PRWRU#DQG#WKH#GUXP#LWVHOI#LV#WLPLQJ0FRQWUROOHG#VR#WKDW#HDFK#VXF0
FHVVLYH#VZHHSLQJ#RI#WKH#ODVHU#EHDP#SURGXFHV#D#
V\VWHP#FRQWLQXRXVO\#WXUQV#WKH#ODVHU#EHDP#RQ#DQG#RII#WR#SXW#D#GRW#DW#HYHU\#
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6\QFKURQL]LQJ#WKH#RXWSXW#GDWD#ZLWK#RQH#VFDQQLQJ#OLQH#LV#DFKLHYHG#E\#WKH#SKRWR#VHQVRU
SURYLGHG#QH[W#WR#WKH#ILUVW#PLUURU1#$W#WKH#EHJLQQLQJ#RI#HDFK#ODVHU#VZHHSLQJ/#WKH#EHDP
KLWV#WKH#SKRWR#VHQVRU#ZKLFK#LQ#WXUQ#VHQGV#D#FRPPDQG#WR#WKH#ORJLF#FRQWUROOHU#IRU#V\Q0
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1
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600
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Page 14

Development
Operation overview
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7KH#ODWHQW#LPDJH#FRQVWLWXWHG#RQ#WKH#GUXP#LV#
YHORSLQJ#UROOHU#FRQWDLQV#D#PDJQHW#FRUH#DQG#DQ#DOXPLQXP#F\OLQGHU#URWDWLQJ#DURXQG#WKH
PDJQHW#FRUH#DW#D#VSHHG#WZLFH#IDVWHU#WKDQ#WKDW#RI#WKH#GUXP1#7RQHU#DWWUDFWV#WR#WKH#GH0
YHORSLQJ#UROOHU#VLQFH#LW#LV#PDJQHWLF1#$#PDJQHWL]HG#EODGH#DERYH#WKH#GHYHORSLQJ#UROOHU
FRQVWLWXWHV#D#VPRRWK#OD\HU#RI#WRQHU#LQ#DFFRUGDQFH#ZLWK#WKH#UROOHU#UHYROXWLRQ1
Blade
Magnetism
0.1mm
Drum
Magnet
developed
Developing roller
LQWR#D#YLVLEOH#LPDJH1#7KH#GH0
0.3-0.4mm
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Page 15

Operation overview
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Developing roller bias
7KH#GHYHORSLQJ#ELDV#LV#DGMXVWHG#VR#WKDW#WKH#WRQHU/#FKDUJHG#SRVLWLYH#ZKLOH#HDFK#SDUWLFOH
LV#UXEELQJ#HDFK#RWKHU#LQ#WKH#GHYHORSHU/#LV#VHOHFWLYHO\#GHYHORSHG#RQWR#WKH#DUHD#RI#ORZ
SRWHQWLDO#E\#DGKHULQJ11#7KH#ERDV#LV#$&#ZHLJKWHG/#SRVLWLYH#'&#SRZHU#VRXUFH1
6LQFH#WKH#JDS#EHWZHHQ#WKH#GHYHORSLQJ#UROOHU#DQG#WKH#GUXP#LV#ZLGHU#WKDQ#WKH#DYHUDJH
GLDPHWHU#RI#WKH#WRQHU/#WKH#WRQHU#VKRXOG#
YHORSPHQW1#7KLV#PHWKRG#LV#NQRZQ#DV#WKH#QRQ0FRQWDFW#GHYHORSPHQW#PHWKRG1
Blade
Develop. roller
Drum
AC+DC
Toner
Drum
fly
#RYHU#WR#WKH#GUXP#VXUIDFH#WR#DFFRPSOLVK#GH0
Toner
Toner sensor
Develop. roller
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Page 16

Surface
potential =
250V
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Area not exposed by laser
Area exposed by laser
Operation overview
Developing roller bias
160V DC+1.8kV AC
Developing
Developing
ç
+++++++
20V
$#WRQHU#UHSOHQLVKPHQW#VHQVRU#LV#SURYLGHG#ZLWKLQ#WKH#GHYHORSHU1#$V#WKH#WRQHU#VXSSO\
IURP#WKH#WRQHU#FRQWDLQHU#GZLQGOHV#DQG#WKH#WRQHU#OHYHO#ORZHUV#LQ#WKH#UHVHUYRLU/#WKH
VHQVRU#WUDQVODWHV#LW#WKURXJK#LWV#VHQVLQJ#SODWH/#XUJLQJ#WKH#WRQHU#PRWRU#WR#IHHG#PRUH
WRQHU1
Sensing plate
Sensable level
Toner
Developer unit
Toner
Toner sensor
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Page 17

Image transfer
Operation overview
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EHORZ,1#7KH#WUDQVIHU#UROOHU#LV#QHJDWLYHO\#ELDVHG#VR#WKDW#WKH#SRVLWLYHO\#FKDUJHG#WRQHU#LV
DWWUDFWHG#RQWR#WKH#SDSHU#ZKLOH#LW#LV#SLQFKHG#E\#WKH#GUXP#DQG#WKH#WUDQVIHU#UROOHU1
#EHORZ,#LV#WUDQVIHUUHG#RQWR#WKH#SDSHU
A
A
+
B
-
B
7KH#QRPLQDO#WUDQVIHU#ELDV#LV#VHW#WR#DSSUR[LPDWHO\#041:#N9#+OLPLW,#ZLWK#WKH#88µ$#FXU0
UHQW1#6LQFH#WKH#LGHDO#SRWHQWLDO#RI#WKH#WUDQVIHU#ELDV#YDULHV#GHSHQGLQJ#RQ#WKH#WKLFNQHVV
RI#SDSHU/#WKH#ELDV#LV#UDLVHG#WR#DSSUR[LPDWHO\#0515#N9288#µ$#IRU#WKLFNHU#SDSHU#+<4#WR
533#J2P
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µ$#+041:#N9,#IRU#WKLQ#SDSHU1#7KH#ELDV#LV#VZLWFKHG#DXWRPDWLFDOO\#DV#WKH#SULQWHU#GHWHFWV
WKH#WKLFNQHVV#RI#WKH#SDSHU/#DQG#DOVR#VZLWFKDEOH#PDQXDOO\#RQ#WKH#SULQWHU*V#FRQWURO
SDQHO1#)RU#GHWDLOV#RQ#VZLWFKLQJ#WKH#WUDQVIHU#ELDV/#UHIHU#WR#VHFWLRQ#&KDSWHU#5#RU#WKH
SULQWHU·V#XVHU·V#PDQXDO1
Paper separation
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Page 18

Operation overview
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Fusing
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Page 19

Operation overview
7
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Heater(s) activated
Paper size
Idle
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Page 20

Operation overview
7
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Drum cleaning and erasing static charge
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Page 21

Operation overview
7
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Typical photo process timing chart
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Page 1 Page 2
MOTOR
PAPER
MHVDR
ERASER
A
BIAS
B
THVDR
SHVDR
MHVDR (Main High Voltage DRive) -
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#WXUQV#RQ#WKH#PDLQ#FKDUJHU#ELDV#IRU#FKDUJLQJ#WKH
ERASER
BIAS -
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SDSHU#+A,1#7KLV#DYRLGV#JUD\#EDFNJURXQG#HIIHFW#E\#DWWUDFWLQJ#H[FHVVLYH#WRQHU#RQ#WKH
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Page 22

Operation overview
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THVDR (Transfer High Voltage DRive)—
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Page 23

Paper feeding system
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WKH#ERWWRP#RI#WKH#SULQWHU1#7KH#SULQWHU#FDQ#EH#LQVWDOOHG#ZLWK#XS#WR#9#FDVVHWWHV#E\#DG0
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Operation theory
Operation overview
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Page 24

Operation theory
Operation overview
Paper control signals
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Page 25

Operation theory
Operation overview
Paper feeding components
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20
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4
5
8
6
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7
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12
18
16
17
13
14
23
15
19
21
22
27
31
24
34
36
32 33
26
30
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Page 26

Operation theory
Operation overview
Control devices
Symbol Title Location Board
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
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Page 27

Operation theory
Operation overview
Paper feeder (PF-30) control devices
Symbol Title Location Board
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
8SSHU#FDVVHWWH#SDSHU#VHQVRU2ERWWRP#OLPLW
VHQVRU
8SSHU#FDVVHWWH#SDSHU#VL]H#VHQVRUV#42526 8SSHU#FDVVHWWH .308;4
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8SSHU#FDVVHWWH#VZLWFK 'ULYH#SODWH
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Page 28

Operation theory
Operation overview
Printing from PF-30 cassettes
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SDVVHV#35,171#VLJQDO#WR#WKH#HQJLQH#FRQWUROOHU1#7KH#HQJLQH#FRQWUROOHU#WKHQ#DFWLYDWHV
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DQG#WKH#VXE#FOXWFK#LQ#WKH#SULQWHU#WR#VWDUW#IHHGLQJ#SDSHU1#$V#WKH#SDSHU#NLFNV#WKH#UHJLV0
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:KHQ#WKH#ODVHU#VFDQQHU#DQG#WKH#IXVHU#DUH#UHDG\/#WKH#HQJLQH#FRQWUROOHU#VHQGV
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FRQWUROOHU#ILQLVKHV#GDWD#SURFHVVLQJ/#LW#VHQGV#96<1&1#DQG#9'$7$#WR#WKH#HQJLQH#FRQ0
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Page 29

Operation theory
Operation overview
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SULQWLQJ#DQG#UHSRUW#WKH#RFFXUUHQFH#RI#D#SDSHU#MDP1
7KH#VL]H#RI#WKH#SDSHU#FXUUHQWO\#LQ#WKH#VHOHFWHG#FDVVHWWH#LV#DFNQRZOHGJHG#WR#WKH#HQJLQH
FRQWUROOHU#E\#PHDQV#RI#WKH#RQ0RII#VWDWXV#RI#WKH#SKRWRVHQVRUV#374/#375/#DQG#376#LQ#WKH
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RI#WKHVH#SKRWRVHQVRUV#LQ#DFFRUGDQFH#ZLWK#WKH#VXSSRUWHG#SDSHU#VL]HV1
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$7#+ODQGVFDSH, 2Q 2II 2Q
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Printing from the MP tray
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IRU#WKH#PDQXDO#IHHG#UROOHU1#7KH#PDQXDO#IHHG#UROOHU#SXOOV#WKH#SDSHU#RQ#WKH#03#WUD\#DQG
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58,1#3KRWRVHQVRUV#374#DQG#375#DUH#DFWLYDWHG#LQ#DFFRUGDQFH#ZLWK#WKH#VHWWLQJ#RI#WKH
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Page 30

03#75$<#6,=(#6(16,1*
Paper size PT1 PT2
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%8#+SRUWUDLW, 2II 2II
$8#+SRUWUDLW, 2II 2II
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Operation theory
Operation overview
Printing from the optional envelope feeder
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Page 31

Operation theory
Operation overview
Paper jam detection
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Page 32

Operation theory
Operation overview
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Page 33

Operation theory
Operation overview
Message display at a paper jam
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WKH#HQJLQH#FRQWUROOHU/#ZKLFK#LQGLFDWHV#WKH#MDP#SRVLWLRQ1#$W#WKH#VDPH#WLPH/#WKH#HQJLQH
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Open front cover.
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Open front cover
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C, F, G, H, I, 6
Paper jam
F, G, H, I, 6
Front cover
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Please wait
Processing
PAR 600 A4 001
7066
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Page 34

Print timing charts
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Operation theory
Operation overview
7067
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Page 35

##
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Operation theory
Operation overview
7068
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Page 36

$7#>543#PP@259#SSP203#WUD\#>&DVVHWWH#PRGH@
Operation theory
Operation overview
7069
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Page 37

Basic engine functions
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Operation theory
Operation overview
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Page 38

Engine controller system
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Operation theory
Operation overview
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VWHS#WKURXJK#WKH#IROORZLQJ#SDJHV=
Configuration memory
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High-voltage generator
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Page 39

Operation theory
Operation overview
Laser scanner control
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Page 40

Operation theory
Operation overview
Safety interlock
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UHTXLUHG#E\#WKH#8161#)'$#DQG#VHYHUDO#(XURSHDQ#UHJXODWLRQV#+,(&#;58,/#WKH#SULQWHU#LV
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7073
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Page 41

The engine gate arrays
Operation theory
Operation overview
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detect
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selector
Interface
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control
Engine CPU
address hold
Registers
Address
decoder
Test print
mode ckt
Interrupt
process
High-v
clock gen.
Decode/GA
flush
Ports A-F
Port mode
control
Print
density
Interlock
control
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Page 42

*$7(#$55$<#%
Data
selector
Operation theory
Operation overview
Registers
Polygon motor
speed co rrect ion
Ports G-M
Address
decoder
7075
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Page 43

Operation theory
Operation overview
Pin assignment
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Remarks
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No
4 7+9'5- 7+9'5 2XW 7UDQVIHU#FKDUJHU#FRQWURO#RXWSXW/#/=#2Q +LJK0YROW1#ERDUG
5 7+3,'5- 5(9%1 2XW 5HYHUVH#ELDV#FRQWURO#RXWSXW/#/=#5HY1ELDV +LJK0YROW1#ERDUG
8 0+9'5- 0+9'5 2XW 0DLQ#FKDUJHU#FRQWURO#RXWSXW#/#/=#2Q +LJK0YROW1#ERDUG
9 ³ ³ ,Q 5HVHUYH#SRUW ³
: (5$6( (5$6(1 2XW (UDVHU#FRQWURO#RXWSXW/#/=#2Q (UDVHU
; 7&2817- 3&6 2XW 3DJH#FRXQWHU#GULYH/#/=#&RXQW#XS 3DJH#FRXQWHU
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43 )':6'- 3$4 2XW 6WDFN#VHOHFWLRQ/#/=#)DFH0GRZQ 6WDFN#VROHQRLG
44 )836'- 3$3 2XW 6WDFN#VHOHFWLRQ/#/=#)DFH0XS 6WDFN#VROHQRLG
45 -$05- 3%8 ,Q 5HJLVWUDWLRQ#VHQVRU/#/=#3DSHU#H[LVW1 5HJLVW1#VHQVRU
47 5(*&/- 3$5 2XW 5HJLVW1#UROOHU#FOXWFK/#/=#2II 5HJLVU1#FOXWFK
49 7&2923 3$7 ,Q 7RQHU#FRYHU#VWDWXV/#/=#2SHQ 7RS#FRYHU
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4< ³3%7 ,Q 5HVHUYHG ³
53 (193$66- 3%6 ,Q (QY1#IHHGHU#SDSHU#VHQV1/#/=#3DSHU#H[LVW1 (QYHORSH#IHHGHU
54 5+9'5- 3%5 2XW 6HSDUDWLRQ#FKDUJHU/#/=#2Q 6HSDUDWLRQ#FKDUJHU
55 ³3&8 ,Q 5HVHUYHG ³
56 71(1'- 3&7 ,Q 7RQHU#UXQ0RXW#WKUHVKROG/#/=#7KUHVKROG 7KUHVKROG#VHQVRU
57 +77421- 3'4 2XW +HDWHU#ODPS#+0LG,/#/=#2Q )XVHU
58 +77521- 3'3 2XW +HDWHU#ODPS#+2XWHU,/#/=#2Q )XVHU
64 ,/2&.23 3%2 ,Q ,QWHUORFN#VHQV1/#+=#/RFN#+.579#RII, ,QWHUORFN
65 7%6(1- 3$8 ,Q 7RQHU#FRQWDLQHU#H[LVW1/#+=#([LVW 7RQHU#FRQWDLQHU
66 ³3'8 ,Q 5HVHUYHG ³
Circuit
signal
GA signal Direct. Function Remarks
7076
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Page 44

Operation theory
Operation overview
Pin
No
68 71027- 3&4 2XW 7RQHU#PRWRU#GULYH/#/=#'ULYH 7RQHU#PRWRU
69 6&$15- 3&3 2XW 3RO\JRQ#PRWRU#GULYH/#/=#'ULYH /DVHU#VFDQQHU
6: 6723- 3': 2XW :'7#WLPHRXW/#/=#7LPHRXW *DWH#DUUD\#%
78 /$6(5 3&: 2XW /DVHU#GULYH#FXUUHQW/#+=#/DVHU#RII /DVHU#VFDQQHU
7: 72:6(1- 3&9 ,Q :DVWH#WRQHU#FRQYH\HU#H[LVW1/#/=#([LVW :DVWH#WRQHU#FRQYH\0
7; (5$'&- 3$: ,Q (UDVHU#EORZ0RXW/#/=#%ORZQ#RXW (UDVHU
7< 7+0'& 3'6 ,Q )XVHU#WKHUPLVWRU#EORZ0RXW/#/=#%ORZQ#RXW )XVHU
83 (*,5- 3)2 2XW &RPPXQLFDWLRQ#HUURU/#XVHG#DV#(*,5 0DLQ#FRQWUROOHU
;: +767%< 3'5 2XW )XVHU#KHDWHU#LGOH/#+=#5HDG\ )XVHU
;; +75($'<- 3'9 ,Q )XVHU#KHDWHU#UHDG\/#/=#5HDG\ )XVHU
<< /&2923 3$9 ,Q /HIW#FRYHU#VWDWXV/#/=#2SHQ /HIW#FRYHU#VHQVRU
433 +92/ +92/ 2XW 7UDQVIHU#OLPLW#FXUUHQW/#+=#7KLFN#SDSHU>#/=
Circuit
signal
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HU#VHQVRU
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5 7+9,4 3*5 2XW 7UDQVIHU#ELDV#4/#GHIDXOW#KLJK +LJK0YROW1#ERDUG
6 %66(/ 3*4 2XW 7UDQVIHU#ELDV#VHOHFW#VLJQDO +LJK0YROW1#ERDUG
7 5+9,4 3*3 2XW 6HSDUDWLRQ#VHOHFW#VLJQDO/#GHIDXOW#ORZ +LJK0YROW1#ERDUG
46 ³3+: ,Q 5HVHUYHG ³
47 ³3+9 ,Q 5HVHUYHG ³
48 ³3+8 ,Q 5HVHUYHG ³
49 ³3+7 ,Q 5HVHUYHG ³
54 ³3+6 ,Q 5HVHUYHG ³
55 236(/5 3+5 2XW 2SWLRQ#KDQGVKDNH#5 2SWLRQV
56 236(/4 3+4 2XW 2SWLRQ#KDQGVKDNH#4 2SWLRQV
57 236(/3 3+3 2XW 2SWLRQ#KDQGVKDNH#3 2SWLRQV
58 (027- 3,: 2XW (QY1#IHHGHU#PRWRU#GULYH/#/=#2Q (QYHORSH#IHHGHU
59 (81,7- 3,9 ,Q (QY1#IHHGHU#H[LVWHQFH/#/=#([LVW (QYHORSH#IHHGHU
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7077
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Page 45

Operation theory
Operation overview
PinNoCircuit sig-
nal
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64 03)3$3- 3,4 ,Q 03#WUD\#SDSHU#SUHVHQFH/#/=#3UHVHQW 03#WUD\
65 ³3,3 ,Q 5HVHUYHG ³
66 -$1)8- 3-: ,Q )DFH0XS#RXWOHW#SDSHU#SUHVHQFH/#/=#3UHVHQW )DFH0XS#VHQVRU
68 -$0)'- 3-9 ,Q )DFH0GRZQ#RXWOHW#SDSHU#SUHV1/#/=#3UHVHQW )DFH0GRZQ#VHQVRU
69 )$1,)- 3-8 2XW )DQ#4#UHYROXWLRQ/#/=#+LJK )DQ#4
6: )&2923- 3-7 ,Q )URQW#FRYHU#VWDWXV/#/=#2SHQ )URQW#FRYHU
6; (7(03- 3-6 ,Q 7RQHU#FRQWDLQHU#JDXJH/#/=#1R#WRQHU 7RQHU#FRQWDLQHU
6< )$16- 3-5 2XW )DQ#6#GULYH/#/=#'ULYH )DQ#6
75 '()0(5 3-4 ,Q 'HYHORSHU#OLIH#IXVH/#+=#,QWDFW 'HYHORSHU#IXVH
76 )8)0(5 3-3 ,Q )XVHU#OLIH#IXVH/#+=#,QWDFW )XVHU#IXVH
77 '9817- 3.: ,Q 'HYHORSHU#SUHVHQFH/#/=#3UHVHQW 'HYHORSHU
78 '5817- 3.9 ,Q 'UXP#XQLW#SUHVHQFH/#/=#3UHVHQW 'UXP#XQLW
79 )8817- 3.8 ,Q )XVHU#LQVWDOODWLRQ/#/=#,QVWDOOHG )XVHU
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7; 036,=(4 3.6 ,Q 03#WUD\#SDSHU#ZLGWK#4 03#WUD\
7< 796(1 3.5 ,Q 7UDQVIHU#YROWDJH/#/=#?0;339+LJK0YROW1#ERDUG
83 7,6(1 3.4 ,Q 7UDQVIHU#FXUUHQW/#/=#?63µ$+LJK0YROW1#ERDUG
84 ³3.3 ,Q 5HVHUYHG ³
85 ³3/: ,Q 5HVHUYHG ³
86 ³3/9 ,Q 5HVHUYHG ³
87 ³3/8 ,Q 5HVHUYHG ³
88 ³3/7 ,Q 5HVHUYHG ³
89 (71/('- 3/6 2XW 7RQHU#SUHVHQFH#YDOLGDW1/#/=#9DOLG 7RQHU#FRQWDLQHU
8: +71/('- 3/5 2XW :DVWH#WRQHU#FRQYH\HU#SUHV1#YDOLG1>#/=#9DOLG :DVWH#WRQHU#FRQYH\1
8; ³3/4 ,Q 5HVHUYHG ³
93 ³3/3 ,Q 5HVHUYHG ³
94 ³30: ,Q 5HVHUYHG ³
95 ³309 ,Q 5HVHUYHG ³
96 ³308 ,Q 5HVHUYHG ³
99 :5(1% 307 2XW )ODVK#520#ZULWH0HQDEOH/#+=#(QDEOHG )ODVK#520
GA signal Direct. Function Remarks
7078
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Page 46

Operation theory
Operation overview
PinNoCircuit sig-
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9; +7$%125- 305 ,Q )XVHU#DEQRUPDO#WHPS1/#/=#$EQRUPDO#KLJK )XVHU
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GA signal Direct. Function Remarks
7079
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Page 47

Operation theory
Operation overview
Power supply
7KH#SRZHU#VXSSO\#FRQWDLQV#WKH#$&#DQG#'&#SRZHU#LQSXWV#DQG#RXWSXWV1#7KH#KLJK#YROW0
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7KH#.89#'&#OLQH#LV#JHQHUDWHG#E\#VZLWFKLQJ#+,&73,#WKH#.579#'&#WR#GHYHORS#WKH#89#$&
ZKLFK#LV#VXEVHTXHQWO\#UHFWLILHG#DQG#VPRRWKHG#E\#'73/#&73/#HWF1#,W#LV#DOVR#GLVWULEXWHG
WKURXJK#&161#7KH#PDLQ#FRQWUROOHU#FLUFXLWV/#VHQVRUV/#HQJLQH#FRQWUROOHU#FLUFXLWV/#HWF1/
DUH#IHG#E\#WKH#.89#'&#OLQH#+DOVR#UHIHUUHG#WR#DV#9
&&
,1
32:(5#3527(&7,21#&,5&8,7
$#IUDFWLRQ#RI#WKH#.579#'&#SRZHU#LV#FRQQHFWHG#WR#WKH#SURWHFWLRQ#GLRGH#3&4#IRU#SURYLGHV
SURWHFWLRQ#DFWLRQ#IRU#WKH#SRZHU#VXSSO\1#,Q#FDVH#WKH#RXWSXW#RI#WKH#579#'&#OLQH#LV#VKRUW0
FLUFXLWHG/#WKH#GLRGH#VHJPHQW#RI#3&4#GULYHV#WKH#WUDQVLVWRU#VHJPHQW#RI#3&4#WR#WXUQ#RQ
45#ZKLFK#LQ#WXUQ#GLVFRQQHFWV#WKH#RXWSXW#RI#VZLWFKLQJ#UHJXODWRU#441
707:
)60:333
Page 48

Operation theory
Operation overview
)86(5#+($7(5#32:(5#&21752/
,Q#WKH#SULPDU\#FLUFXLW/#WZR#IXVHU#KHDWHU#ODPSV#DQG#D#WKHUPRVWDW#LV#FRQQHFWHG#SDUDOOHO
DFURVV#&151#7KH#KHDWHU#ODPSV#DUH#FRQWUROOHG#E\#WULDFV#75&53#DQG#75&541#(DFK#LV
WXUQHG#RQ#ZKHQ#SLQ#4#++($7(54,#RU#5#++($7(55,#LV#WULJJHUHG/#UHVSHFWLYHO\#HQHU0
JL]LQJ#WKH#DSSURSULDWH#KHDWHU#ODPS1
)RU#GHWDLOV#RQ#WKH#IXVHU#IXQFWLRQ/#UHIHU#WR#
)XVLQJ#RQ#SDJH#704;1
707;
)60:333
Page 49

POWER SUPPLY CIRCUIT
Operation theory
Operation overview
707<
)60:333
Page 50

Power distribution
Operation theory
Operation overview
Power
Supply
PWB
CN3-1~3
+24V
YC1-1~3
Front
Cover
Inter Lock
PWB
YC1-5~7
1
Top
Cover
Inter Lock
Switch
Front
Cover
Open
Signal
2
+24V2
Engine PWB
YC6-1~3
YC4
YC3
YC2-36
YC1-36
YC11-1.2
YC1-13~20
C/A
CON1
PWB
YC6-4
YC7-13
YC8-2
YC3-1
YC4-13
YC6-4
YC8-1
YC10-2
Main Motor
YC1-1
FUP/FDW Solenoid
HV PWB
Fan3
APCRLY
PWB
Power
Supply
Fan1
Fan4
APC A PWB
+5V
YC2-1
Polygon Motor
YC3-5
Heater Drive Circuit
Fan2
APC B PWB (Laser Diode)
-5V
CON2
YC1-1~3
PWB
CON3
PWB
YC1-1~4
YC7-2
YC8-8 YC6-A7 YC7-1
YC2-1
YC3-1
YC2-1~4
YC3-7.8
DRRLY PWB
YC2-7
MPF Solenoid
ENV PCB
YC781-1
Dvrly PWB
YC2-1
Regist Clutch
Sub Clutch
PF-30
DU-30
YC1-7
YC782-2
YC1-1
Options
Options
Drum PWB
YC1-7
EF-1 or UF-1
Deve PWB Toner Motor
YC1-1
YC2-2
Options
YC2-1
Eraser
7083
)60:333
Page 51

Logic controller system
7KH#ORJLF#FRQWUROOHU#V\VWHP#GRHV#WKH#IROORZLQJ=
•
&RPPXQLFDWHV#ZLWK#WKH#KRVW#FRPSXWHU#WR#UHFHLYH#GDWD#DW#RQH#RI#WKH#SULQWHU·V#LQWHU0
IDFH
Operation theory
Operation overview
•
$QDO\]HV#DQG#WUDQVODWHV#WKH#SULQW#GDWD#WR#EH#WKH#GRW#GDWD#LQ#WKH#UDVWHU#PHPRU\
•
&RPPXQLFDWHV#ZLWK#WKH#HQJLQH#V\VWHP#WR#GLVFHUQ#UHDGLQHVV#IRU#SULQWLQJ
•
6WRUHV#IRQWV#DQG#PDFUR#LQIRUPDWLRQ
7KH#PDLQ#ORJLF#FRQWUROOHU#KDV#VSHFLILFDWLRQV#DV#VKRZQ#LQ#WKH#IROORZLQJ#VHFWLRQ1#$#VLP0
SOLILHG#GLDJUDP#LV#LOOXVWUDWHG#RQ#SDJH#70861
7084
)60:333
Page 52

Main logic controller overview
Item Specification
Operation theory
Operation overview
CPU
System ROM size
RAM size
Fonts
Application program interface
Memory card
Interface
Engine communication
Front panel communication
Other features
6WDQGDUG 7#0%
2SWLRQ 97#0%#+LQ#WZR#6,00#VRFNHWV,
5HVLGHQW 7#0%
&XVWRP 5#0%#>3.07@
3DUDOOHO +LJK0VSHHG#EL0GLUHFWLRQDO#>,(((#45;7@
6HULDO 560565&2755$#+-XPSHU#VHWWLQJ,
2SWLRQ#4 6HH#Interface#DERYH1
2SWLRQ#5
6PRRWKLQJ .,55#+9HFWRU#FRPSHQVDWLRQ#PHWKRG,
7RQHU#VDYHU (FR3ULQW#>2Q22II@
(QODUJH2UHGXFWLRQ 0DLQ#VFDQ2VXE#VFDQ
9LGHR#FORFN 8317;:5#0+]
3RZHU3&936H2433#0+]
7#0%
845#N%
4#VORW/#-(,'$71523&0&,$514
.8,2#>IRU#KDUGGLVN#XQLW#+'04@
6HULDO#LQWHUIDFH#+.\RFHUD*V#RULJLQDO,
6HULDO#LQWHUIDFH
7085
)60:333
Page 53

Controller block diagram
BICA24-1
X1
50.0MHz
X2
66.6MHz
BICD15-0
Operation theory
Operation overview
YC4
PC-Card
U13-U16 LS367
I0CA1
I0A24-2
I0A5-2
I0A22-5
I0A24-2
EDEVAL TN
U04,U05,U06 LS373
A29-0
A4-0
D31-0
D31-0
D31-0
33MHz
BCLK3
STAC
YS3 U23
(DIMM)
System ROM
D32A04-02
U03
Gate array
I0A20-2
"DPP"
UPD97055
U28
F32
FA0
TBM66M1,TBM66M2
FA0
BCLK2
10CA1
BCLK1
1/2
U17,U18 LS245
21
I0A21
BCLK3
LD15-0
I0A16-2
I0A19-2
LD15-0LD15-0 DD31-0
LD15-0
LD15-0
LD15-0
LD15-0
DD31-0DD31-0
Opt.ROM
U08,U09
U07
Font ROM
New
YC6
Option l/F
YC5
Option l/F
SIMM
optional
YS1, YS2
HDD etc.
FS7000 Main Logic Controller Block Diagram
A29-0 A29-20
A29-0
33MHz
BCLK2
D31-0
33MHz
BCLK1
U01 U02
"APP"
Gate array
MPU
Power PC
MBCG46713
(Int. 66MHz)
7086
YC1
Engine I/F
Buf.
YC2
U100
Parallel
-102
DRAM
U11, U12
U200
Buf.
YC3
-201
Serial
)60:333
Page 54

Operation overview
7
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9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
Printing data processing
7KH#SULQWHU#FRPPXQLFDWHV#ZLWK#WKH#KRVW#FRPSXWHU#IRU#UHFHLYLQJ##WKH#SULQW#GDWD#DW#RQH
RI#WKH#SULQWHU·V#LQWHUIDFHV#DQG#WHPSRUDULO\#VWRUH#WKHP#LQ#WKH#LQWHUIDFH#EXIIHU1#7KH
PDLQ#ORJLF#FRQWUROOHU#DQDO\]HV#WKH#GDWD#IRU#WUDQVODWLQJ##WKHP#LQWR#WKH#GRW#GDWD#DF0
FRUGLQJ#WR#WKH#RULJLQDO#SULQW#LPDJH1#7KH#UHVXOWDQW#GRW#GDWD#DUH#GHSLFWHG#LQ#WKH#UDVWHU
PHPRU\#+
'5$0
·V,1
:KLOH#GDWD#SURFHVVLQJ#LV#LQ#FRXUVH/#RQ#WKH#RWKHU#KDQG/#WKH#PDLQ#ORJLF#FRQWUROOHU#
WDONV#WR#WKH#HQJLQH#
SULQWHU·V#HQJLQH#IRU#SULQWLQJ1
,I#WKH#HQJLQH#LV#UHDG\#WR#VWDUW#SULQWLQJ/#WKH#PDLQ#FRQWUROOHU#LVVXHV#SULQW#VLJQDO#WR0
ZDUGV#WKH#HQJLQH#FRQWUROOHU#ZKLFK#UHTXHVW#WKH#SDSHU#IHHG1#,Q#V\QFKURQL]DWLRQ#ZLWK
WKH#SURFHVVLRQ#RI#WKH#SDSHU#ZLWKLQ#WKH#SULQWHU/#86#UHOHDVHV#YLGHR#GDWD#LQ#WKH#UDVWHU
PHPRU\1#7KXV#WKH#YLGHR#GDWD#DUH#WUDQVIHUUHG#WR#WKH#ODVHU#VFDQQHU#WRJHWKHU#ZLWK#WKH
KRUL]RQWDO#V\QFKURQL]DWLRQ#VLJQDO#DQG#WKH#YLGHR#FORFN1
2Q#UHFHSWLRQ#RI#WKH#YLGHR#GDWD/#WKH#ODVHU#GLRGH#WXUQV#RQ#DQG#RII#WR#FRQVWLWXWHV#WKH
SULQW#LPDJH#RYHU#WKH#GUXP1#7KH#LPDJH#RQ#WKH#GUXP/#UHIHUUHG#WR#DV#WKH#VWDWLF#ODWHQW
LPDJH/#LV#DSSOLHG#ZLWK#WRQHU/#WUDQVIHUUHG#RQWR#WKH#SDSHU/#DQG#ILQDOO\#IXVHG#SHUPD0
QHQWO\#RQ#WKH#SDSHU#E\#PHDQV#RI#KHDW#DQG#SUHVVXUH1
#YLD#WKH#HQJLQH#LQWHUIDFH/#WR#GLVFHUQ#WKH#UHDGLQHVV#RI#WKH
&38
&38
7087
)60:333
Page 55

Operation overview
7
7! 9ªè`³êĢܹñB
9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
Main logic component
&38#+834,
$#3RZHU3&936H2433#0+]#LV#XVHG1#RSHUDWLQJ#DW#650ELW#PRGH1#7KH#H[WHUQDO#FORFN#RI#83
0+]#LV#GRXEOHG#WR#433#0+]#E\#WKH#LQWHUQDO#3//#FLUFXLWU\1
$6,&#+835,
7KLV#$6,&#LQFOXGHV#WKH#IROORZLQJ#FLUFXLWU\·V#DV#PRGXOH=
•
3DUDOOHO#LQWHUIDFH
•
6HULDO#LQWHUIDFH#+LQFOXGLQJ#8$57,
•
'0$#FRQWUROOHU
•
'5$0#FRQWUROOHU
•
(QJLQH#FRPPXQLFDWLRQ
•
)URQW#SDQHO#FRPPXQLFDWLRQ
•
2SWLRQDO#HTXLSPHQW#LQWHUIDFH
$6,&#+836,
7KLV#$6,&#LPSOHPHQWV#JHQHUDWLRQ#RI#YLGHR#GDWD#WR#SULQW#DQG#GHSOR\PHQW#RI#WKH#YLGHR
RXWSXW1#7KLV#LQFOXGHV=
• KIR2#+,PDJH#VPRRWKLQJ,
• EcoPrint#+7RQHU#VDYHU,
•
&RPSXWDWLRQ#IRU#YLGHR#GHSOR\PHQW#RYHU#95$0#+UDVWHU#PHPRU\,
•
&RPSUHVVLRQ2GHFRPSUHVVLRQ
SURYLGHV#FRQWURO#RYHU=
•
0HPRU\#FDUG
•
)RQW#PDQDJHPHQW
•
6\VWHP#',00
DQG#WKLV#$6L&#SURYLGHV#FRQYHUVLRQ#RQ#VXFK#GHYLFHV#DV#WKH#PHPRU\#FDUG/#IRQWV/#HWF1/
ZKLFK#XVH#490ELW#GDWD#EXV#ZLGWK#IRU#WKH#650ELW#&381
&2035(66252'(&2035(6625#+856,
7KLV#LPSOHPHQWV#WKH#PHPRU\#VDYHU#+(FR0HPRU\,/#RSHUDWLQJ#DW#83#0+]1#7KH#ORFDO#EXV
IRU#WKLV#,&#LV#FRQQHFWHG#WR#WZR#65$0V#+854#DQG#855>#589#NE,#ZKLFK#DUH#XVHG#DV#EXII0
HUV1
7088
)60:333
Page 56

API ROM socket (U09)
Operation overview
7
7! 9ªè`³êĢܹñB
9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
7KLV#DFFHSWV#DQ#
FRQYHUWHG#WR#650ELW#LQVLGH#$6,&/#8361#7KHUHIRUH/#D#650ELW#DFFHVV#GRQH#E\#&38#WULJJHUV
FDXVHV#DFFHVV#WZR#WLPHV1
7KH#$3,#(3520#VKRXOG#KDYH#WKH#IROORZLQJ#VSHFLILFDWLRQV=
Socket No. U14
6L]H 7#0ELWV
&RPSRVLWLRQ 589#N#E\#49#ELWV
$FFHVV#VSHHG !453#QV
7KH#IROORZLQJ#WDEOH#VKRZV#WKH#SLQ0WR0VLJQDO#DVVLJQPHQWV#IRU#WKH#
#+$SSOLFDWLRQ#3URJUDP#,QWHUIDFH,#5201#7KH#490ELW#W\SH#(3520#LV
$3,
#WR#EH#XVHG1
520
7089
)60:333
Page 57

API ROM socket pin assignment
Pin
Terminal descrip-
No.
tion
Signal name Pin
Operation overview
7
7! 9ªè`³êĢܹñB
9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
Terminal descrip-
No.
tion
Signal name
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
9SS 9&&#+IL[HG,
&(- )2172(16
'48 /'48
'47 /'47
'46 /'46
'45 /'45
'44 /'44
'43 /'43
'< /'<
'; /';
*1' *1'
': /':
'9 /'9
'8 /'8
'7 /'7
'6 /'6
'5 /'5
'4 /'4
'3 /'3
2(- *1'#+IL[HG,
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
$3 )$3
$4 ,2$5
$5 ,2$6
$6 ,2$7
$7 ,2$8
$8 ,2$9
$9 ,2$:
$: ,2$;
$; ,2$<
*1' *1'
$< ,2$43
$43 ,2$44
$44 ,2$45
$45 ,2$46
$46 ,2$47
$47 ,2$48
$48 ,2$49
$49 ,2$4:
$4: ,2$4;
9&& 9&&
* Negative logic
708:
)60:333
Page 58

Operation overview
7
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9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
System DIMM (YS3)
7KLV#LV#WKH#GHYLFH#WKDW#FRQWDLQV#WKH#ILUPZDUH#LQIRUPDWLRQ#IRU#FRQWUROOLQJ#WKH#FRQWURO0
OHU#&381#'HSHQGLQJ#RQ#WKH#ILUPZDUH#YHUVLRQ/#WKLV#GHYLFH#ZLOO#EH#D#IODVK#520/#WKDW#LV
UHZULWDEOH/#RU#D#PDVNHG#520/#LQ#:50SLQ#',00#FRQILJXUDWLRQ1
RAM (U11 and U12)
7ZR#:50SLQ#VRFNHWV#DUH#IRU#WZR#49#0E#'5$0V#LQ#IDVW#SDJH#PRGH#IRU#PHPRU\#H[SDQ0
VLRQ1#7KH#VWDQGDUG#5$0#VL]H#LV#7#0%#DQG#LV#H[SDQGDEOH#XS#WR#9;#0%#XVLQJ#FRPSUH0
KHQVLYH#3,00V1
7KH#H[SDQVLRQ#6,00#VKRXOG#PHHW#WKH#IROORZLQJ#UHTXLUHPHQWV=
1XPEHU#RI#VRFNHWV 5
6RFNHW#1RV1 <642<65
3LQV :5
6L]H 425272;249265#0%
$FFHVV#VSHHG ?;3#QV
Memory card slot interface (YC4)
7KH#FRQWUROOHU#DFFHSWV#PHPRU\#FDUGV#RI#IOXVK#W\SH#DV#ZHOO#DV#65$0#W\SH1#7KH#PD[L0
PXP#VWRUDJH#FDSDFLW\#LV#65#0%1##7KH#FDUGV#VKRXOG#FRQIRUP#WR#WKH#3&0&,$#+YHUVLRQ
514,#VWDQGDUGV1
7KH#LQWHUIDFH#FDQ#GHWHFW#WKH#OHYHO#RI#WKH#EDWWHULHV#DQG#WKH#ZULWH0SURWHFWLRQ#VWDWXV#LQ
WKH#65$0#FDUGV1#)RU#IOXVK#FDUGV/#LW#DOVR#FDQ#GHWHFW#WKH#ZULWH0SURWHFWLRQ#VWDWXV1#(LWKHU
D#IODVK#RU#650#FDUG#VKRXOG#QRW#EH#LQVHUWHG#RU#UHPRYHG#IURP#WKH#LQWHUIDFH#ZKLOH#WKH
SULQWHU#SRZHU#LV#DFWLYH1
708;
)60:333
Page 59

Operation overview
7
7! 9ªè`³êĢܹñB
9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
Option interface (YC5)
7KH#SULQWHU#KDV#DQ#RSHQ#VRFNHW#IRU#LQVWDOOLQJ#DQ#RSWLRQDO#LQWHUIDFH#FDUG#VXFK#DV#DQ
(WKHUQHW#FDUG#RU#D#7RNHQ#5LQJ#FDUG1#7KH#RSWLRQ#LQWHUIDFH#FRQQHFWRU#LV#D#;30SLQ/#$03
4:96:506#W\SH#RU#HTXLYDOHQW1
7KH#LQWHUIDFH#KDV#D#YLGHR#LQWHUIDFH#WKDW#FDQ#UHFHLYH#YLGHR#GDWD#RI#HLWKHU#633#GSL#RU
933#GSL1#9LGHR#GDWD#VKRXOG#EH#VHQW#LQ#V\QFKURQL]DWLRQ#ZLWK#WKH#YLGHR#GDWD#WUDQVIHU0
ULQJ#FORFN/#(9&/./#ZKLFK#LV#LVVXHG#E\#WKH#FRQWUROOHU#JDWH#DUUD\#WRZDUGV#WKH#YLGHR#LQ0
WHUIDFH1#9LGHR#GDWD#VHQW#LQ#V\QFKURQL]DWLRQ#ZLWK#WKH#FORFN#LV#VWRUHG#WHPSRUDULO\#LQ#WKH
OLQH#EXIIHU#+65$0,#DQG#VXEVHTXHQWO\#WUDQVIHUUHG#WR#WKH#HQJLQH#FRQWUROOHU1
7KH#SLQ#DVVLJQPHQW#WDEOH#LV#JLYHQ#EHORZ1
Pin
No.
4.89 9&& 49 $49 ,2$4:
5.89 9&& 4: $48 ,2$49
6.89 9&& 4; $47 ,2$48
7.89 9&& 4< $46 ,2$47
8.89 9&& 53 $45 ,2$46
9.89 9&& 54 $44 ,2$45
: 1&
; 1&
< 1&
43 1&
44 1&
45 1&
46 1&
47 $4; ,2$4< 5< $6 ,2$7
48 $4: ,2$4; 63 $5 ,2$6
Terminal Signal Pin
1&#+1RW#XVHG,
1&#+1RW#XVHG,
1&#+1RW#XVHG,
1&#+1RW#XVHG,
1&#+5HVHUYHG,
1&#+5HVHUYHG,
1&#+5HVHUYHG,
No.
55 $43 ,2$44
56 $< ,2$43
57 $; ,2$<
58 $: ,2$;
59 $9 ,2$:
5: $8 ,2$9
5; $7 ,2$8
Terminal Signal
708<
)60:333
Page 60

2SWLRQ#LQWHUIDFH#SLQ#DVVLJQPHQW#0#&RQWLQXHG
Operation overview
7
7! 9ªè`³êĢܹñB
9ªè`³êĢܹñB
77
9ªè`³êĢܹñB 9ªè`³êĢܹñB
Pin
No.
64 $4 ,2$589'43 /'43
65 1&
66 1&
67 23,)- 23,&6-8<': /':
68 235'<- 235'< 93 '9 /'9
69 ,'9 ,'994'8 /'8
6: ,'8 ,'895'7 /'7
6; ,'7 ,'796'6 /'6
6< ,'6 ,'697'5 /'5
73 ,'5 ,'598'4 /'4
74 ,'4 ,'499'3 /'3
75 ,'3 ,'39:9'2( (;79'2
76 1&
77 1&
78 $6- /$61 :3 35,17-( (35,171
79 '6- 234'61 :4 965(4- 965(41
7: 23$&- 234$&.1 :5 96<1&-( (96<1&1
7; 5: /75:1 :6 5'<-( (5'<1
7< 23,5- 234,5-:71&
83 5(6(7- 5(6(716:8*1' *1'
84 '48 /'48 :9 *1' *1'
85 '47 /'47 :: *1' *1'
86 '46 /'46 :; *1' *1'
87 '45 /'45 :< *1' *1'
88 '44 /'44 ;3 *1' *1'
Terminal Signal Pin
1&#+5HVHUYHG,
1&#+5HVHUYHG,
1&#+5HVHUYHG,
1&#+5HVHUYHG,
No.
8: '< /'<
8; '; /';
9; /6<1&- (/6<1&1
9< 9&/. (9&/.
Terminal Signal
1&#+5HVHUYHG,
7093
)60:333
Page 61

Operation overview
7
7!
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9ªè`³êĢܹñB
77
! !
9ªè`³êĢܹñB 9ªè`³êĢܹñB
KUIO interface (YC6)
7KLV#LV#WKH#LQWHUIDFH#IRU#D#VORW0LQ#RSWLRQ#GHYLFH#FRQIRUPLQJ#WR#WKH#.8,2#LQWHUIDFH
VSHFLILFDWLRQV1#)RU#PRGHO#)0:333/#WKLV#DFFHSWV#DQ#RSWLRQDO#KDUGGLVN#GULYH#++'04,1
7KH#SLQ#DVVLJQPHQW#IRU#WKH#FRQQHFWRU#LV#JLYHQ#EHORZ1
Pin
No.
$4 9&&#+.89, 9&& $49 &7/5'< &7/5'<
%4 9&&#+.89, 9&& %49 235'5(4 235'5(4
$5 9&&#+.89, 9&& $4: *1' *1'
%5 1& 1& %4: 235'$&.1 235'$&.1
$6 *1' *1' $4; ,25- /,251
%6 1& 1& %4; ,2:- /,2:1
$7 1& 1& $4< 5(6(7- 5(6(716
%7 $49 ,2$49 %4< 1& 1&
$8 *1' *1' $53 '48 /'48
%8 $48 ,2$48 %53 '47 /'47
$9 $47 ,2$47 $54 *1' *1'
%9 $46 ,2$46 %54 '46 /'46
$: $45 ,2$45 $55 '45 /'45
%: $44 ,2$44 %55 '44 /'44
$; $43 ,2$43 $56 '43 /'43
%; $< ,2$< %56 '< /'<
$< *1' *1' $57 '; /';
%< $; ,2$; %57 ': /':
$43 $: ,2$: $58 *1' *1'
%4< $9 ,2$9 %58 '9 /'9
$44 $8 ,2$8 $59 '8 /'8
%44 $7 ,2$7 %59 '7 /'7
$45 $6 ,2$6 $5: '6 /'6
%45 $5 ,2$5 %5: '5 /'5
$46 *1' *1' $5; '4 /'4
%46 1& 1& %5; '3 /'3
$47 235&6 235&61 $5< *1' *1'
Terminal Signal Pin
No.
Terminal Signal
7094
)60:333
Page 62

Operation overview
7
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Pin
No.
%47 235$&. 235$&.1 %5< 9&&#+.89, 9&&
$48 235,51 235,51 $63 9&&#+.89, 9&&
%48 1& 1& %63 9&&#+.89, 9&&
Terminal Signal Pin
No.
Terminal Signal
Parallel interface
7KH#SULQWHU#KDV#D#SRUW#IRU#WKH#SDUDOOHO#LQWHUIDFH#WKDW#LV#FRPSDWLEOH#ZLWK#WKH#FXUUHQW
OLQH0XS#RI#WKH#(FRV\V#VHULHV#SULQWHUV1#7KH#SDUDOOHO#LQWHUIDFH#VXSSRUWV#WKH#SURWRFROV#GH0
ILQHG#E\#WKH#
VXSSRUWV#WKH#
#45;7#VWDQGDUGV1#7R#JDLQ#FRQIRUPLW\#WR#WKHVH#VWDQGDUGV/#WKH#SULQWHU
,(((
#DQG#QLEEOH#PRGHV1
(&3
'HWDLOV#RQ#WKH#VLJQDOV#RQ#WKH#SDUDOOHO#LQWHUIDFH#DUH#GHVFULEHG#LQ#WKH#DSSURSULDWH#DS0
SHQGL[#LQ#WKLV#PDQXDO1
Serial interface
7KH#SULQWHU#LQFRUSRUDWHV#D#SRUW#IRU#WKH#VHULDO#LQWHUIDFH1#7KH#VHULDO#LQWHUIDFH#FRQWUROOHU
LV#LQFOXGHG#ZLWKLQ#WKH#JDWH#DUUD\#DQG#VXSSRUWV#ERWK#WKH#
FROV1#6LQFH#WKH#
ZRUN#0DQDJHPHQW#3URWRFRO,/#
0565&#VXSSRUW#LV#GHVLJQHG#WR#EH#FRPSDWLEOH#ZLWK#
56
&76
#DQG#
#VLJQDOV#DUH#LQFOXGHG1#6ZLWFKLQJ#WR#HLWKHU
'65
0565&#DQG#560755$#SURWR0
56
#+6LPSOH#1HW0
6103
PRGH#LV#WRJJOHG#E\#FKDQJLQJ#D#MXPSHU#ZLUH#DUUDQJHPHQW#RQ#WKH#FRQWUROOHU#ERDUG1#$
580SLQ#'0VXE#FRQQHFWRU#LV#XVHG#IRU#WKH#VHULDO#SRUW1#7KH#
DUH#DVVLJQHG#WR#VRPH#RI#WKH#YDFDQW#
0565&#WHUPLQDOV1#+6HH#
56
0755$·V#H[WUD#VLJQDO#OLQHV
56
Appendix A
IRU#WKH#LQWHU0
IDFH#ODWHU#LQ#WKLV#PDQXDO#IRU#GHWDLOV1,
7KH#VHULDO#LQWHUIDFH#KDV#WKH#IROORZLQJ#IHDWXUHV=
&RQQHFWRU#W\SH 580SLQ/#'0VXE
%DXG#UDWHV2VHF1 6332933245332573327;332<93324<53326;73328:9332448533
3URWRFRO 560565&2560755$#+VZLWFKDEOH,
Engine interface
7KH#LQWHUIDFH#WR#WKH#HQJLQH#V\VWHP#LV#EDVHG#RQ#WKH#VHULDO#LQWHUIDFH/#QRW#WKH#SDUDOOHO#LQ0
WHUIDFH#WKDW#ZDV#XVHG#ZLWK#WKH#SUHYLRXV#OLQH0XS#RI#WKH#(FRV\V#SULQWHUV1#7KH#VHULDO0WR0
SDUDOOHO#FRQYHUVLRQ#LV#H[HFXWHG#RQ#D#KDUGZDUH#EDVLV1
7095
)60:333
Page 63

Operation overview
7
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7KH#HQJLQH#ERDUG#LV#GHWDFKDEOH#IURP#WKH#SULQWHU#DW#LWV#LQWHUIDFH#FRQQHFWRU1#7KH#HQJLQH
LQWHUIDFH#FRQQHFWRU#KDV#WKH#IROORZLQJ#SLQ#DVVLJQPHQWV=
Engine interface connector assignment
Pin
No.
4 *1' 4; 335'<
5 *1' 4< &35'<
6 *1' 53 567-
7 9,'(2 54
8 *1' 55 &,1+1
9 1& 56 6%6<1
: /65(1% 57 &%6<1
; 35,17-589&&
<
43
44 96<1&-5;9&&
45 965(4-5<9&&
46 5'<1 63 6&
47 1& 64 *1'
48 )3&/. 65 6&/.
49 )3',5 66 *1'
4: )3'$7$ 67 *1'
-#0HDQV#QHJDWLYH#ORJLF1
Signal Pin
1&
3'1
No.
(6,*,5
59 9&&
5:
9&&
Signal
7096
)60:333
Page 64

Engine interface signals
Signals used for the engine interface
7KH#IROORZLQJ#VLJQDOV#DUH#XVHG#IRU#WKH#HQJLQH#LQWHUIDFH#FRPPXQLFDWLRQ1#)LJXUH#RQ
QH[W#SDJH#VKRZV#D#VLPSOLILHG#IXQFWLRQ#GLDJUDP#RI#WKH#HQJLQH#LQWHUIDFH#DQG#WKH#VLJ0
QDOV1
Operation overview
7
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Signal Meaning Active Definition
6%6<1 6WDWXV0%X6<0
VLJ1DO
&%6<1 &RPPDQG0%X6<0
VLJ1DO
62& 6WDWXV0
GDWD2&RPPDQG0
GDWD
6&/. 6HULDO#&/RF. 0 7KH#ZLGWK#RI#WKH#FORFN#SXOVH#LV#DSSUR[1#4—VHF#+<93#QV,1#6&/.
&,1+1 &RPPDQG#,10
+LELW#VLJ1DO
/RZ 'HWHUPLQHV#ZKLFK#GLUHFWLRQ#IRU#WKH#HQJLQH#V\VWHP#WR#WUDQVIHU
WKH#VWDWXV#GDWD1#,I#6%6<1#LV#WUXH/#WKH#FRQWUROOHU#LV#XQDEOH#WR
WUDQVIHU#WKH#FRPPDQG#GDWD#WRZDUGV#WKH#HQJLQH#V\VWHP1#7KH
FRQWUROOHU#FDQ#UHDG#LQ#WKH#VWDWXV#GDWD#WUDQVIHUUHG#IURP#WKH
HQJLQH#V\VWHP#E\#IRUZDUGLQJ#6&/.#WR#WKH#HQJLQH1
/RZ 'HWHUPLQHV#ZKLFK#GLUHFWLRQ#IRU#WKH#FRQWUROOHU#V\VWHP#WR
WUDQVIHU#WKH#FRPPDQG#GDWD1#,I#&%6<1#LV#WUXH/#WKH#FRQWUROOHU
FDQ#WUDQVIHU#WKH#FRPPDQG#GDWD#WRZDUGV#WKH#HQJLQH#V\VWHP#E\
IRUZDUGLQJ#6&/.#WR#WKH#HQJLQH#V\VWHP
0 7KLV#LV#D#EL0GLUHFWLRQDO#VHULDO#GDWXP#FRQWDLQLQJ#WKH#VWDWXV
GDWD#DQG#FRPPDQG#GDWD#DV#ZHOO#DV#DWWULEXWLYH#LQIRUPDWLRQ1
7KH#WUDQVIHU#GDWD#FRPPHQFHV#ZLWK#/6%/#WKHQ#WR#06%1
LV#WKH#FORFN#GHOLYHUHG#E\#WKH#FRQWUROOHU#DQG#XVHG#WR#V\QFKURQL0
]H#WKH#VWDWXV#GDWD#DQG#FRPPDQG#GDWD#ZLWK#HDFK#RWKHU1
/RZ 7KLV#VLJQDO#LQKLELWV#WKH#VLJQDO#WUDQVPLVVLRQ1#,I#&,1+1#LV#ORZ/
WKH#FRQWUROOHU#LV#QRW#DOORZHG#WR#UHDG\#WKH#WUDQVPLVVLRQ#GDWD1
7KLV#LQKLELW#LV#FDQFHOHG#ZKHQ#WKH#HQJLQH#FRQWUROOHU#UHDGV#LQ
WKH#UHFHSWLRQ#GDWD1
7097
)60:333