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Table of Contents
3
General Operation ..................................... 4
1.1
Electrical Circuit Explanation ....................4
1.2
Signal Routing ..........................................7
1.3
Power On Initial Flow Chart ....................13
Circuit Explanation................................... 19
2.1
Fax System Control Circuit .....................19
2.2
Image Data Circuit ..................................21
2.3
Scanning Circuit......................................22
2.4
Print Quality Control Circuit ....................23
2.5
LBP Interface Circuit...............................24
2.6
Modem and Peripheral Circuit ................26
2.7
LBP Block ...............................................27
2.8
Line Control Circuit .................................33
2.9
Panel.......................................................34
2.10 Sleep Mode.............................................35
Main LSI Feature and Pin Assignment .... 36
3.1
Main LSI Feature and Pin Assignment ...36
Electrical Circuit Diagram ........................ 53
4.1
FCB PC Bord (UF-885/895)....................53
4.2
PNL PC Board ........................................82
4.3
SNS PC Board........................................86
4.4
CCD PC Board (UF-895) ........................87
4.5
CCD PC Board (UF-885) ........................88
4.6
LCU PC Board ........................................89
4.7
LCE PC Board (DZYNA1436).................90
4.8
LCE PC Board (DZEP000441) ...............91
4.9
SSN PC Board........................................92
4.10 ILS PC Board..........................................93
4.11 ACI PC Board .........................................94
4.12 LPC PC Board ........................................95
4.13 G3B PC Board ........................................99
4.14 FRM PC Board .....................................109
4.15 SRU PC Board......................................110
4.16 PRT I/F PC Board.................................111
4.17 CST2 PC Board ....................................114
4.18 CST3 PC Board ....................................115
4.19 EP PC Board ........................................116
Electrical Circuit Diagram & Parts List ... 125
5.1
Country Codes......................................125
5.2
FCB PC Board (UF-895).......................126
5.3
FCB PC Board (UF-885).......................141
5.4
PNL PC Board ......................................156
5.5
SNS PC Board ..................................... 160
5.6
CCD PC Board (UF-895) ..................... 160
5.7
CCD PC Board (UF-885) ..................... 161
5.8
LCU PC Board ..................................... 161
5.9
LCE PC Board (DZYNA1436) .............. 163
5.10 LCE PC Board (DZEP000441)............. 167
5.11 SSN PC Board ..................................... 169
5.12 ILS PC Board ....................................... 169
5.13 ACI PC Board....................................... 169
5.14 LPC PC Board...................................... 170
5.15 G3B PC Board (UF-895) ...................... 172
5.16 FRM PC Board (UF-895) ..................... 178
5.17 SRU PC Board ..................................... 178
5.18 PRT PC Board ..................................... 180
5.19 CST2 PC Board ................................... 182
5.20 CST3 PC Board ................................... 182
5.21 EP PC Board ........................................ 183
Entension Cable .................................... 189
6.1
Extension Cable List for UF-885/895 ... 189
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