Samsung ER-350 Manuals

Table of Contents

• 1

  Contents
• 4

  Precaution Statements
• 4

  Safety Precautions
• 5

  Servicing Precautions
• 5

  Precautions for Electrostatically Sensitive Devices
• 6

  General Specifications
• 7

  Printer Specifications
• 8

  Dimensions
• 9

  Feature
• 10

  Serial Interfaces, Pin Descriptions
• 10

  Printer Terminal, Pin Descriptions
• 11

  Interface Installation
• 11

  Cable for Serial Port
• 12

  Interface Board Installation
• 12

  Key Board Installation
• 12

  Membrane Shape
• 13

  Drawer Installation
• 13

  Ribbon Cassette Installation
• 14

  Receipt Paper Insertion
• 14

  Operation
• 14

  Mode Switch
• 15

  Initial Clear
• 15

  Service Mode Diagnostics
• 15

  Printer/Display Test
• 15

  EPROM Checksum Test
• 16

  Upper Case Disassembling
• 16

  ERP-200N Printer Disassembling
• 16

  Separating Head Cover and Ribbon Frame
• 16

  Separating Paper Guide Block
• 17

  Separating Printer PCB
• 17

  Disassembling Clutch Assembly
• 18

  Separating Ribbon Feed Block
• 18

  Separating Head Feed Block
• 19

  Separating Head Feed Block-1
• 19

  Separating Lead Cam
• 20

  Separating Paper Feed Block-2
• 20

  Separating Paper Feed Block
• 21

  ERP-200 Printer Reassembling
• 21

  Upper Case Reassembling
• 22

  Alignments and Adjustments
• 22

  Printer Adjustments
• 22

  Head Gap Adjustment
• 23

  Troubleshooting
• 25

  Exploded Views and Parts Lists
• 25

  Assembly Exploded View
• 26

  Cover Printer Assembly
• 27

  Cover Mode Switch Assembly
• 28

  Upper Case Assembly
• 30

  Turret Assembly
• 31

  Lower Case Assembly
• 34

  Key Board Assembly
• 36

  Printer Assembly
• 38

  Drawer Assembly
• 39

  Cover Assembly
• 39

  Tray Assembly
• 40

  Lock Assembly
• 40

  Bottom Assembly
• 41

  Printer Assembly (ERP-200N)
• 46

  Block Diagram
• 47

  PCB Diagrams and Electrical Parts List
• 47

  Main PCB Top View
• 48

  Main PBA Part List
• 50

  Main PBA (Auto Part)
• 52

  Front Display Top View
• 52

  Front Display Part List
• 53

  Rear Display Top View
• 53

  Rear Display Part List
• 54

  Option Fiscal Board Top View
• 54

  Option Fiscal Board Part List
• 55

  Option Interface Board Top View
• 55

  Option Interface Board Part List
• 56

  Wiring Diagram
• 57

  Operation and Description for each Part of Circuit
• 57

  Power Transformer/Fuse
• 57

  Output Voltage
• 57

  Fuse Specification
• 58

  Power Circuit
• 58

  Reset and Power Fail Circuit
• 58

  RTC (Real Time Clock) Circuit
• 59

  Display Circuit
• 59

  Key Board and Mode Key Circuit
• 59

  Printer Circuit
• 59

  Fiscal Memory Circuit
• 60

  CPU Port Description
• 61

  Printer ERP-200 Timing Chart
• 62

  Schematic Diagrams
• 65

  Fiscal Control (on Main PCB)
• 66

  Fiscal Control (on Fiscal PCB)
• 67

  Display Board (9 Digit VFD)
• 68

  Display Board (10 Digit VFD)
• 69

  RS-232C Interface Board