
1 INTRODUCTION 3
1.1. SAFETY PRECAUTIONS 3
1.2. INSULATION RESISTANCE TEST 3
1.3. FOR SERVICE TECHNICIANS 3
1.4. BATTERY CAUTION 3
1.5. AC CAUTION 4
1.6. PERSONAL SAFETY PRECAUTIONS 4
1.7. SERVICE PRECAUTIONS 5
1.8. FEATURES 6
1.9. SPECIFICATIONS 7
1.10. OPTIONAL ACCESSORIES 7
1.11. TEST CHART 8
1.12. LOCATION OF CONTROLS 10
1.13. CONNECTIONS 12
1.14. INSTALLATION 13
1.15. MAINTENANCE ITEMS AND COMPONENT LOCATIONS
21
2 TROUBLESHOOTING GUIDE 25
2.1. TROUBLESHOOTING SUMMARY 25
2.2. USER RECOVERABLE ERRORS 26
2.3. TROUBLESHOOTING DETAILS 31
2.4. PROGRAMMING AND LISTS 89
2.5. TEST FUNCTIONS 103
3 ADJUSTMENTS 110
3.1. ADJUSTING THE FEEDER PRESSURE 110
4 DISASSEMBLY INSTRUCTIONS 111
4.1. HOW TO REMOVE THE BOTTOM FRAME 111
4.2. HOW TO REMOVE THE OPERATION PANEL BLOCK
112
4.3. HOW TO REMOVE THE OPERATION BOARD AND LCD
113
4.4. HOW TO REMOVE THE ANALOG, DIGITAL AND
POWER BOARDS AND AC INLET 114
4.5. HOW TO REMOVE THE MOTOR BLOCK 115
4.6. HOW TO REMOVE THE SEPARATION ROLLER 117
4.7. HOW TO REMOVE THE IMAGE SENSOR (CIS) 118
4.8. HOW TO REMOVE THE TERMAL HEAD 119
4.9. HOW TO REMOVE THE PLATEN ROLLER, BACK
COVER 120
4.10. HOW TO REMOVE THE PICKUP ROLLER 121
4.11. HOW TO REMOVE THE CASSETTE PLATE 122
4.12. HOW TO REMOVE THE DOCUMENT TRAY 123
4.13. INSTALLATION POSITION OF THE LEAD WIRES 124
5 HOW TO REPLACE THE FLAT PACKAGE IC 125
5.1. PREPARATION 125
5.2. FLAT PACKAGE IC REMOVAL PROCEDURE 125
5.3. FLAT PACKAGE IC INSTALLATION PROCEDURE 126
5.4. BRIDGE MODIFICATION PROCEDURE 126
6 CIRCUIT OPERATIONS 127
6.1. CONNECTION DIAGRAM 127
6.2. GENERAL BLOCK DIAGRAM 128
6.3. CONTROL SECTION 130
6.4. FACSIMILE SECTION 140
6.5. SENSORS AND SWITCHES 155
6.6. MODEM SECTION 159
6.7. DESCRIPTION OF BLOCK DIAGRAM IN ANALOG
SECTION 166
6.8. NCU SECTION 168
6.9. ITS (Integrated telephone System) and MONITOR
SECTION 172
6.10. ATAS (Automatic Telephone Answering System)
SECTION 172
6.11. OPERATION BOARD SECTION 173
6.12. LCD SECTION 174
6.13. POWER SUPPLY BOARD SECTION 175
7 TERMINAL GUIDE OF THE IC·S TRANSISTORS AND DIODES
178
8 FIXTURES AND TOOLS 179
9 CABINET, MECHANICAL AND ELECTRICAL PARTS
LOCATION 180
9.1. OPERATION PANEL SECTION 180
9.2. UPPER CABINET SECTION 181
9.3. LOWER/P.C.B. SECTION 184
9.4. MOTOR SECTION 185
9.5. ACTUAL SIZE OF SCREWS AND WASHER 185
10 ACCESSORIES AND PACKING MATERIALS 186
11 REPLACEMENT PARTS LIST 187
11.1. CABINET AND ELECTRICAL PARTS 187
11.2. DIGITAL BOARD PARTS 188
11.3. ANALOG BOARD PARTS 191
11.4. OPERATION BOARD PARTS 192
11.5. POWER SUPPLY BOARD PARTS 193
11.6. FIXTURES AND TOOLS 194
12 FOR THE SCHEMATIC DIAGRAMS 195
12.1. MEMO 196
13 PRINTED CIRCUIT BOARD 197
13.1. DIGITAL BOARD: BOTTOM VIEW 197
13.2. DIGITAL BOARD: COMPONENT VIEW 198
13.3. ANALOG BOARD: BOTTOM VIEW 199
13.4. ANALOG BOARD: COMPONENT VIEW 200
13.5. OPERATION BOARD 201
13.6. POWER SUPPLY BOARD 202
14 SCHEMATIC DIAGRAM 203
14.1. DIGITAL BOARD 203
14.2. ANALOG BOARD 204
14.3. OPERATION BOARD 205
14.4. POWER SUPPLY BOARD 206
CONTENTS
Page Page
2
KX-FP85