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Technical Reference Guide

Describes features of the product.

Describes setup and installation of the product and

peripherals.

Describes how to handle the product.

Describes advanced usage methods for the product.

Describes how to control the printer and necessary

information when you develop applications.

Describes general specications and character code

tables.

M00143803

Rev. D

Product Overview

Setup

Handling

Advanced Usage

Application Development Information

Appendix

For Safety3
Key to Symbols3
Warnings3
Cautions4
Restriction of Use4
Note about Interference4
Open Source Software License5
About this Manual6
Aim of the Manual6
Manual Content6
Table of Contents7
Contents7
Product Overview11
Features11
Product Configurations13
Models13
Accessories13
Options13
Part Names and Functions14
Top/Front/Rear14
Panel LED15
Connectors16
Online and Offline19
Status and Errors20
Status Display20
Network Connection Status21
Error Status22
NV Memory (Non-Volatile Memory)24
NV Graphics Memory24
User NV Memory24
Memory Switches (Customized Values)24
R/E (Receipt Enhancement)24
Maintenance Counter25
Useful Functions for Smart Devices (Device Charging Model/Bluetooth Model)2626
NFC Tag26
QR Code26
Setup27
Flow of Setup27
Installing the Printer28
Placing the Printer Vertically29
Placing the Printer Horizontally31
Changing the Paper Width32
Using 58 MM Wide Roll Paper33
Using 80 MM Wide Roll Paper33
Using 40 MM Wide Roll Paper35
Connecting Interface Cables37
Connecting the Optional Wireless LAN Unit (for Device Charging Model/Bluetooth Model)4040
Connecting the Optional Customer Display (for Device Charging Model/Bluetooth Model)4141
Connecting the Optional External Buzzer42
Attachment Position42
Connecting the Cash Drawer43
Required Specifications of Cash Drawers43
Connecting the Drawer Kick Cable44
Connecting to the Power Source45
Connecting the AC Adapter45
Connecting the Printer to the Host Devices48
USB Interface48
Ethernet Interface48
Wireless LAN Interface (with OT-WL06) (for Device Charging Model/Bluetooth Model)51
Bluetooth Interface (for Bluetooth Model)58
MAC Address Confirmation61
Printing Using Multiple Interfaces62
Handling63
Turning the Power On/Off63
Turning the Power on63
Turning the Power off63
Opening/Closing the Roll Paper Cover64
Removing/Attaching the Rear Cover64
Installing or Replacing the Roll Paper65
For Vertically Placed Printer65
For Horizontally Placed Printer67
Removing Jammed Paper70
When the Roll Paper Cover Does Not Open71
Cleaning the Printer73
Cleaning the Printer Case73
Cleaning the Inside of the Printer73
Preparing for Transport77
Advanced Usage78
Software Settings78
Functions81
Setting/Check Modes91
Self-Test Mode93
NV Graphics Information Print Mode (NV Graphics Information)94
Receipt Enhancement Information Print Mode (Receipt Enhancement Information)95
Software Setting Mode (Customize Value Settings)96
Restore Default Values Mode (Restore Default Values)98
Interface Setup Mode (Interface Setup)99
TM-Intelligent Settings Information Print Mode (TM-Intelligent Information)101
Peripheral Device Information Print Mode (Peripheral Device Information)101
Hexadecimal Dumping Mode102
Printing a Status Sheet103
Resetting the Interface Settings105
Resetting Using the Interface Setup Mode105
Resetting Using the Status Sheet Button105
TM-Intelligent Function106
Server Direct Print106
Status Notification106
Network Tethering (Ios Device Only)107
(For Device Charging Model/Bluetooth Model)107107
Tablet Devices Supported by the Network Tethering108
Enabling the Tethering Function108
Connection Procedure109
Application Development Information111
Controlling the Printer111
Epos-Print XML111
Epos-Device XML111
Esc/Pos111
Controlling the Cash Drawer112
Controlling the Optional External Buzzer113
Software114
Development Kit114
Drivers114
Utilities115
Others115
Download116
Precautions When Developing Applications117
Paper Removal Standby Setting117
Power Supply SW Setting117
Application Development and Distribution for Ios118
Notes on Printing Barcodes and Two-Dimensional Symbols118
Appendix119
Product Specifications119
Printing Specifications119
Character Specifications120
Auto Cutter121
Paper Detector121
Roll Paper Feeder123
Paper Specifications124
Printable Area128
Printing and Cutting Positions129
Built-In Memory130
Electrical Specifications130
Reliability131
Environmental Conditions132
External Dimensions and Weight133
Specifications of Interface and Connector135
USB Interface135
Network Interface136
Serial Interface (Serial Model)139
Bluetooth Interface (Bluetooth Model)142
NFC Tag145
Character Code Tables146
Compatibility with USB Type-A147

Brand	Epson
Model	C31CJ52121
Category	Label Maker
Language	English

Epson C31CJ52121 Technical Reference Guide

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