Epson TM-T20II Technical Reference Guide - Page 7

Contents, NV Memory Non-Volatile Memory

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Contents ■ For Safety...3 Key to Symbols ...3 Warnings ...4 Cautions...5 ■ Restriction of Use ...5 ■ About this Manual ...6 Aim of the Manual...6 Manual Content ...6 ■ Contents ...7 Product Overview 11 ■ Features ...11 ■ Product Configurations ...12 Interface ...12 Colors ...12 Accessories...12 ■ Part Names and Functions 13 Power Switch ...13 Roll paper cover/Cover open lever 13 Control Panel ...14 Offline ...15 Connectors...16 ■ Error Status ...17 Automatically Recoverable Errors ...17 Recoverable Errors...17 Unrecoverable Errors ...18 ■ NV Memory (Non-Volatile Memory 19 NV Graphics Memory...19 User NV Memory ...19 Memory Switches...19 R/E (Receipt Enhancement) ...20 User-defined Page ...20 Maintenance Counter ...20 ■ Product Specifications ...21 Printing Specifications ...22 Character Specifications ...23 Paper Specifications...25 Printable Area ...26 Printing and Cutting Positions ...27 Electrical Characteristics ...28 7

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7
Contents
■
For Safety
...............................................................................................................................
3
Key to Symbols
.......................................................................................................................................
3
Warnings
.................................................................................................................................................
4
Cautions
..................................................................................................................................................
5
■
Restriction of Use
..................................................................................................................
5
■
About this Manual
................................................................................................................
6
Aim of the Manual
.................................................................................................................................
6
Manual Content
....................................................................................................................................
6
■
Contents
................................................................................................................................
7
Product Overview
........................................................................
11
■
Features
...............................................................................................................................
11
■
Product Configurations
......................................................................................................
12
Interface
...............................................................................................................................................
12
Colors
....................................................................................................................................................
12
Accessories
...........................................................................................................................................
12
■
Part Names and Functions
.................................................................................................
13
Power Switch
........................................................................................................................................
13
Roll paper cover/Cover open lever
..................................................................................................
13
Control Panel
.......................................................................................................................................
14
Offline
....................................................................................................................................................
15
Connectors
...........................................................................................................................................
16
■
Error Status
...........................................................................................................................
17
Automatically Recoverable Errors
.....................................................................................................
17
Recoverable Errors
...............................................................................................................................
17
Unrecoverable Errors
...........................................................................................................................
18
■
NV Memory (Non-Volatile Memory)
................................................................................
19
NV Graphics Memory
..........................................................................................................................
19
User NV Memory
..................................................................................................................................
19
Memory Switches
.................................................................................................................................
19
R/E (Receipt Enhancement)
..............................................................................................................
20
User-defined Page
...............................................................................................................................
20
Maintenance Counter
........................................................................................................................
20
■
Product Specifications
.......................................................................................................
21
Printing Specifications
.........................................................................................................................
22
Character Specifications
....................................................................................................................
23
Paper Specifications
............................................................................................................................
25
Printable Area
......................................................................................................................................
26
Printing and Cutting Positions
.............................................................................................................
27
Electrical Characteristics
....................................................................................................................
28