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TABLE OF CONTENTS
PAGE PAGE
1 GENERAL PRECAUTIONS -------------------------------------3
1.1. Safety Precautions-----------------------------------------3
1.2. For Service Technicians ----------------------------------3
1.3. About Lead Free Solder (PbF: Pb free) --------------3
1.4. About RoHS -------------------------------------------------4
2 SPECIFICATIONS -------------------------------------------------5
2.1. KV-S1025C Series -----------------------------------------5
2.2. KV-S1020C Series -----------------------------------------7
3 COMPONENT IDENTIFICATON -------------------------------9
4INSTALLATION--------------------------------------------------- 11
4.1. Minimum Space Requirements ----------------------- 11
4.2. Installing Feed Tray and Mixed Batch Card
Guide-------------------------------------------------------- 12
4.3. Connecting the Scanner to a Personal
Computer--------------------------------------------------- 15
4.4. System Requirements ---------------------------------- 16
5 SECTIONAL VIEWS--------------------------------------------- 17
5.1. CCD --------------------------------------------------------- 17
5.2. Rollers and Sensors------------------------------------- 17
5.3. Boards ------------------------------------------------------ 18
6 MECHANICAL FUNCTION ------------------------------------ 19
6.1. Paper Feed Mechanism ------------------------------- 19
6.2. Sensor Mechanism -------------------------------------- 20
7 MAINTENANCE -------------------------------------------------- 21
7.1. Maintenance Chart--------------------------------------- 21
7.2. Cleaning ---------------------------------------------------- 22
7.3. Replacing Limited Life Parts -------------------------- 26
8 DISASSEMBLY INSTRUCTIONS---------------------------- 29
8.1. Disassembly Flowchart --------------------------------- 29
8.2. Exterior------------------------------------------------------ 31
8.3. Mechanical Block----------------------------------------- 40
8.4. Circuit Board Assemblies ------------------------------ 55
8.5. Required Adjustments After Part
Replacement ---------------------------------------------- 60
9 SERVICE UTILITY & SELF TEST --------------------------- 63
9.1. Main Menu Indication for Service Utility ------------ 63
9.2. Service Utility Function --------------------------------- 64
9.3. Operation--------------------------------------------------- 65
9.4. Scanner Self-test----------------------------------------- 73
10 TROUBLESHOOTING ------------------------------------------ 75
10.1. Troubleshooting -1 (with no error message on
the PC)------------------------------------------------------ 75
10.2. Troubleshooting-2 (According to an error
message on the PC)------------------------------------- 80
11 CIRCUIT DIAGRAM --------------------------------------------- 87
11.1. Block Diagram-1 (Image Processing)--------------- 87
11.2. Block Diagram-2 (Boards) ----------------------------- 88
11.3. Block Diagram-3------------------------------------------ 89
11.4. Connector Explanation --------------------------------- 90
12 SCHEMATIC DIAGRAM---------------------------------------- 93
12.1. CONTROL Board ---------------------------------------- 94
12.2. PANEL and SENSOR Boards------------------------- 99
12.3. CCD Board (F)------------------------------------------ 100
12.4. CCD Board (B)------------------------------------------ 101
13 CIRCUIT BOARDS -------------------------------------------- 103
13.1. CONTROL Board -------------------------------------- 104
13.2. PANEL Board ------------------------------------------- 106
13.3. PAPER SENSOR Board------------------------------ 106
13.4. STARTING SENSOR Board -------------------------107
13.5. DOOR DETECTION Board --------------------------107
13.6. CCD Board (F) ------------------------------------------108
13.7. CCD Board (B) (KV-S1025C Series Only) -------108
14 Parts Location and Mechanical Parts List ------------109
14.1. Exterior and Chassis----------------------------------- 110
14.2. Packing---------------------------------------------------- 112
14.3. Tool --------------------------------------------------------- 112
15 REPLACEMENT PARTS LIST ------------------------------ 113
15.1. CONTROL Board--------------------------------------- 113
15.2. PANEL Board -------------------------------------------- 117
15.3. PAPER SENSOR Board ------------------------------ 117
15.4. STARTING SENSOR Board ------------------------- 117
15.5. DOOR DETECTION Board -------------------------- 117