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Samsung ER-350 Service Manual

Electronic cash register

Also See for ER-350

Operator's and programming manual - 6 pages

Table Of Contents

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6

General Specifications

14

Operation

14

Mode Switch

23

Troubleshooting

58

Reset and Power Fail Circuit

See also: Operator's and Programming Manual

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

Table of Contents

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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

Also See for Samsung ER-350

Samsung ER-350 Operator's And Programming Manual

Samsung ER-350 Operator's And Programming Manual 6 pages

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This manual is also suitable for:

Er-350p Er-350f Er-350fp