Epson TM-T20IIIL Technical Reference Manual Download Page 29

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Chapter 3 Advanced Usage

Serial Interface Communication Condition

Baud rate

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2400 bps

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4800 bps

•

9600 bps

•

19200 bps

•

38400 bps (default setting)

•

57600 bps

•

115200 bps

Parity

•

No parity (default setting)

•

Odd parity

•

Even parity

Handshaking

•

DTR/DSR (default setting)

•

XON/XOFF

Bit length

•

7 bits

•

8 bits (default setting)

Paper reduction

Extra upper space reduction

•

Disabled (default setting)

•

Enabled

Extra lower space reduction

•

Disabled (default setting)

•

Enabled

Line space reduction rate

•

Disabled (default setting)

•

25%

•

50%

•

75%

Summary of Contents for TM-T20IIIL

Page 1: ...andle the product Describes setup and installation of the product and peripherals Describes how to control the printer and necessary information when you develop applications Describes general specifications and character code tables M00115002 Rev C Product Overview Setup Application Development Information Handling Appendix Advanced Usage Replacement of the TM T20 ...

Page 2: ... Seiko Epson Corporation shall not be liable against any damages or problems arising from the use of any options or any consumable products other than those designated as Original Epson Products or Epson Approved Products by Seiko Epson Corporation Trademarks EPSON is a registered trademark of Seiko Epson Corporation Exceed Your Vision and ESC POS are registered trademarks or trademarks of Seiko E...

Page 3: ...handling may lead to fire or electric shock Do not modify or attempt to repair the cable Do not place any heavy object on top of the cable Avoid excessive bending twisting and pulling Do not place the cable near heating equipment Check that the plug is clean before plugging it in Be sure to push the plug all the way in Be sure to use the specified power source Connection to an improper power sourc...

Page 4: ...er liquid spills into this equipment do not continue to use it Continued use may lead to fire Unplug the power cord immediately and contact qualified service personnel Do not use aerosol sprayers containing flammable gas inside or around this product Doing so may cause fire CAUTION Do not connect cables in ways other than those mentioned in this manual Different connections may cause equipment dam...

Page 5: ...o design and development of a printer application Manual Content The manual is made up of the following sections Chapter 1 Product Overview Chapter 2 Setup Chapter 3 Advanced Usage Chapter 4 Application Development Information Chapter 5 Handling Chapter 6 Replacement of the TM T20 Appendix Product Specifications Specifications of Interfaces and Connectors Character Code Tables ...

Page 6: ...mes and Functions 11 LED Lights 12 Connectors 13 Status and Errors 14 Online and Offline 14 Automatically Recoverable Errors 14 Recoverable Errors 15 Unrecoverable Errors 15 Status Display 16 NV Memory 17 NV Graphics Memory 17 User NV Memory 17 Memory Switches Customized Value 17 R E Receipt Enhancement 17 User defined Page 18 Maintenance Counter 18 Setup 19 Flow of Setup 19 Installing the Printer...

Page 7: ...int Mode 36 Receipt Enhancement Information Print Mode 37 Software Setting Mode 37 Restore Default Values Mode 39 Interface Setup Mode Ethernet model only 40 Hexadecimal Dumping Mode 40 Printing a Status Sheet 42 Resetting the Interface Settings 43 Application Development Information 44 Controlling the Printer 44 ESC POS 44 Controlling the Cash Drawer 45 Controlling the Optional External Buzzer 46...

Page 8: ...ower Consumption Mode 56 Paper Width 57 IP Address Setting 57 If Connecting as a Peripheral Device of the TM i DT Printer 57 Overall Dimensions 58 Appendix 59 Product Specifications 59 Printing Specifications 60 Character Specifications 61 Paper Specifications 62 Printable Area 63 Printing and Cutting Positions 63 Electrical Characteristics 64 Environmental Conditions 65 External Dimensions and Ma...

Page 9: ...ws printer drivers OPOS ADK and OPOS ADK for NET are available Printing of various types of bar codes GS1 DataBar and two dimensional symbols PDF417 QR code MaxiCode Composite Symbology is supported A maintenance counter function is supported Multiple languages are supported for code pages Windows drivers and utility software Interface The interface is selectable when purchasing the product Enviro...

Page 10: ...s Serial RS 232C USB interface model Ethernet interface model Accessories Included Roll paper for operation check Interface cable Serial USB model only AC cable User s Guide Options Affixing tape for fixing the printer Model DF 10 External buzzer Model OT BZ20 ...

Page 11: ...r continuously 5 Power button Press this button to turn the printer on or off 6 Status sheet button Ethernet interface model only Press this button to print the interface status sheet or to reset the interface settings When turning off the printer without using the power button it is recommended to send a power off command to the printer If you use the power off sequence the latest maintenance cou...

Page 12: ...r is turned on or after a reset offline Automatically goes out after a while to indicate that the printer is ready Lights when the end of the roll paper is detected and when printing has stopped offline If this happens replace the roll paper Off when the printer is in standard mode online 3 Paper LED Lights when there is no more roll paper Off when there is a sufficient amount of roll paper remain...

Page 13: ...r connecting to a computer 2 Serial interface Connects the serial cable for connecting to a computer 3 Ethernet connector Connects the 10BASE T 100BASE TX Ethernet cable 4 Drawer kick connector Connects the cash drawer or the optional external buzzer Connecting the Cash Drawer on page 23 Connecting the Optional External Buzzer on page 25 5 Power supply connector Connects the AC cable 4 5 1 3 2 ...

Page 14: ...he paper out During an operation standby state When an error has occurred See Status and Errors on page 14 While the roll paper cover is open Automatically Recoverable Errors The printer cannot print when automatically recoverable errors occur They can be recovered easily as described below The printer cannot print while an error is left unsolved Error Error description Error LED status Condition ...

Page 15: ... error when the jammed paper or foreign matter is removed and the roll paper cover is closed The error recovery command is valid only if a recoverable error excluding automatically recoverable errors occurs Use the TM T20IIIL Utility to change the condition for recovery For details see the TM T20IIIL Utility User s Manual CAUTION Turn off the power immediately when an unrecoverable error occurs Er...

Page 16: ...aiting to continue self test ON OFF Flashing Feeding using the Feed button ON OFF Waiting to execute a macro ON OFF Flashing Roll paper cover open while the printer is not printing ON ON No paper ON ON ON While updating firmware Main ON Flashing Flashing While updating firmware Boot ON ON ON Power off standing by ON OFF Flashing The network link is down ON Flashing Waiting to print status sheet ON...

Page 17: ...ility or NV Graphics Information Print Mode can be used for the confirmation User NV Memory You can store and read text data for multiple purposes such as for storing a note including customizing or maintenance information of the printer Memory Switches Customized Value You can configure various settings of the printer For more information see Software Settings on page 26 R E Receipt Enhancement R...

Page 18: ...on time after the printer starts working is automatically stored in NV memory You can use the counter information for periodical checks or part replacement You can also check the print head running length and number of times of auto cutting with the self test see Self test Mode on page 36 The maintenance counter value is normally saved in the NV memory every 2 minutes maximum of 4 minutes However ...

Page 19: ... Setup This chapter consists of the following sections along with the setup flow of the product and peripherals 2 Connecting the Printer to the Host page 20 5 Connecting the Optional External Buzzer page 25 3 Connecting the AC cable page 22 1 Installing the Printer page 20 4 Connecting the Cash Drawer page 23 ...

Page 20: ...as an option Connecting the Printer to the Host USB Interface When using USB cable to connect with host device connect the USB cable to the printer and after starting the host device turn the printer on When connecting the USB cable to the printer fix the cable with the wire saddle to prevent it from being disconnected Be sure to install the driver before connecting the printer to the host compute...

Page 21: ...vices that have surge protection Otherwise the devices can be damaged by lightning Never attempt to connect the drawer kick cable or a standard telephone line cable to the LAN connector As same with Conventional models you can use EpsonNet Config Web version in the same way Start up a web browser and then input the printer s IP address in the address bar On the authentication screen input your use...

Page 22: ...e AC plug into a wall socket WARNING Never insert the AC cable plug into a socket that does not meet the rated voltage requirements of the printer Doing so may result in damage to the printer Should a fault ever occur immediately turn off the power to the printer and unplug the AC cable from the wall socket Do not turn on the printer before installing the printer driver Power supply connector AC c...

Page 23: ... 24V power output on drawer kick connector pin 4 for driving the equipment Drawer Connection Diagram Adaptable Connector Modular connector RJ12 The optional external buzzer and the cash drawer cannot be used simultaneously Do not connect both the optional external buzzer and the cash drawer to the printer at the same time by using a branched connector The cash drawer cannot be used If the enable d...

Page 24: ...ection 1 Frame GND 2 Drawer kick drive signal 1 Output 3 Drawer kick open close signal Input 4 24 V 5 Drawer kick drive signal 2 Output 6 Signal GND WARNING Use a shield cable for the drawer kick cable When using cash drawer make sure to use the power supply for printer connector pins 4 Do not insert a telephone line into the drawer kick connector Doing so may damage the telephone line or printer ...

Page 25: ...ern setting and frequency setting Connecting Procedure The optional external buzzer is recommended to be installed in the following positions Be sure to turn off the printer before you connect disconnect the optional external buzzer The optional external buzzer and the cash drawer cannot be used simultaneously Do not connect both the optional external buzzer and the cash drawer to the printer at t...

Page 26: ...ecovery conditions from receive buffer BUSY Paper sensors to output paper end signal Receive buffer capacity Condition for BUSY Customized Values Print density Print speed Automatic paper reduction Character code table defaults International character defaults Column emulation mode Autocutting after closing the roll paper cover Buzzer function Shrinking Expanding graphics data USB class Serial Int...

Page 27: ...ns from receive buffer BUSY Releases the BUSY state when the remaining receive buffer capacity reaches 256 bytes default setting Releases the BUSY state when the remaining capacity of the receive buffer reaches 138 bytes Receive buffer capacity 4 KB default setting 45 bytes The USB power saving function is valid only when the USB interface communication condition is set to the vendor defined class...

Page 28: ...s turned on and when a self test is being run If BUSY condition is set to Receive buffer full the printer will not become BUSY When the roll paper cover is open When paper is fed by the FEED button When printing has stopped for a paper out When macro execution ready state When error has occurred Original Paper type Density TF50KS EY Level 2 PD160R Level 4 KT48FA Level 5 When the print density leve...

Page 29: ...s 115200 bps Parity No parity default setting Odd parity Even parity Handshaking DTR DSR default setting XON XOFF Bit length 7 bits 8 bits default setting Paper reduction Extra upper space reduction Disabled default setting Enabled Extra lower space reduction Disabled default setting Enabled Line space reduction rate Disabled default setting 25 50 75 ...

Page 30: ...ts Selectable from 43 pages including user defined page Default setting PC437 USA Standard Europe International character defaults Selectable from 18 sets Default setting USA Column emulation mode 48 column mode default setting 42 column mode Autocutting after closing the roll paper cover Cuts default setting Does not cut Paper reduction is not performed for space dot lines of graphics printing da...

Page 31: ... pattern Pulse 1 Selectable from Patterns A to E Default setting Pattern A Buzzer frequency Pulse 1 Does not sound Sounds 1 time default setting Sound pattern Pulse 2 Selectable from Patterns A to E Default setting Pattern B Buzzer frequency Pulse 2 Does not sound Sounds 1 time default setting For information about how to connect the optional external buzzer see Connecting the Optional External Bu...

Page 32: ...hod Nearest neighbor method default setting Bilinear method Bicubic method Scaling factor manual adjustment 50 to 200 Auto top logo printing Key code Selectable from key codes of registered logos Alignment Left Center Right Number of lines to be deleted below top logo TM T20IIIL Utility does not support the setting for Number of lines to be deleted below top logo ...

Page 33: ...led Top logo print when roll paper cover is closed Disabled Enabled default setting Top logo print while clearing the buffer to recover from a recoverable error Disabled Enabled default setting Top logo print after paper feeding with the Feed button has finished Disabled default setting Enabled TM T20IIIL Utility does not support the following settings Top logo print while paper feeding to the cut...

Page 34: ...eed button as described below Close the roll paper cover and turn on the printer while pressing the Feed button Self test Briefly press the Feed button Continuing the self test Hold down the Feed button Mode selection guidance Open the roll paper cover turn on the printer while pressing the Feed button and then close the roll paper cover Hexadecimal Dumping Press the Feed button once briefly and t...

Page 35: ...35 Chapter 3 Advanced Usage In 1 and 2 the following guidances are printed the Paper LED flashes and instructs the user s operations 1 Continuing self test guidance 2 Mode selection guidance ...

Page 36: ... button less than one second to continue the self test The printer prints a rolling pattern on the roll paper using the built in character set After completed is printed the printer initializes and switches to standard mode NV Graphics Information Print Mode Prints the following NV graphics information registered to the printer Capacity of the NV graphics Used capacity of the NV graphics Unused ca...

Page 37: ... running a self test hold down the Feed button for at least one second to enter the Mode selection The Mode selection guidance is printed and the Paper LED flashes 2 After briefly less than one second pressing the Feed button twice hold it down for at least one second to print the R E information After information printing the Mode selection guidance is printed again 3 To finish turn off the power...

Page 38: ...plicable to the setting and then hold down the button for more than one second to confirm your selection After saving the settings the Software setting mode guidance is printed and the Paper LED flashes 5 To close Software setting mode turn off the printer or select Exit to return to Mode selection guidance and then select Exit and Reboot Printer When set to a value other than those in the softwar...

Page 39: ...g the default settings Briefly press the Feed button once less than one second hold it down for at least one second Hold down the Feed button until the restoration complete message is printed When restoring default settings and deleting user defined data Briefly press the Feed button twice less than one second and then hold it down for at least one second Hold down the Feed button until the restor...

Page 40: ...et and restarted Hexadecimal Dumping Mode In the hexadecimal dumping mode the printer prints the data transmitted from a host computer in hexadecimal numbers and their corresponding characters It enables you to check if data is transmitted to the printer correctly Follow the steps below Hexadecimal Dumping Mode can also be executed using ESC POS Commands 1 Open the roll paper cover 2 While pressin...

Page 41: ...41 Chapter 3 Advanced Usage Example of printing in hexadecimal dumping mode 4 To close hexadecimal dumping mode turn off the printer after printing is complete or press the Feed button for three times ...

Page 42: ...on 2 Open the roll paper cover 3 Hold down the Feed button for 1 seconds or longer 4 Close the roll paper cover The status sheet is printed After printing the printer returns to the standard mode When the power LED is flashing wait until it remains lit to start printing Ethernet Interface Ethernet Status MAC Address Physical Layer Link Status XX XX XX XX XX XX Auto negotiation Connect Network Soft...

Page 43: ...the printer A message is printed indicating that resetting is being performed and the printer restarts You can return the interface settings to their defaults from the Interface Setup mode For details on the Interface Setup mode see Interface Setup Mode Ethernet model only on page 40 Only network settings are returned to their defaults Hold down the status sheet button until the initialization exe...

Page 44: ...opment kits or drivers EPSON Advanced Printer Driver APD OPOS ADK OPOS ADK for NET Epson ePOS SDK ESC POS ESC POS is the Epson original printer command system for POS printers and customer display With ESC POS commands you can directly control all the printer functions but detailed knowledge of printer specifications or combination of commands is required compared to using drivers and applications...

Page 45: ...er Register a cash drawer using the SetupPOS Utility and control using the OpenDrawer method or the DirectIO function For details see the EPSON OPOS ADK MANUAL APPLICATION DEVELOPMENT GUIDE Cash Drawer and the UnifiedPOS Specification OPOS for NET Register a cash drawer using the SetupPOS Utility and control using the OpenDrawer method or the DirectIO function For details see the EPSON OPOS ADK fo...

Page 46: ...I for opening the drawer For details see the manual for Status API of the drivers OPOS OCX Driver Register a POS printer using the SetupPOS Utility and control using the DirectIO function For details see the EPSON OPOS ADK MANUAL APPLICATION DEVELOPMENT GUIDE POSPrinter TM Series OPOS for NET Register a POS printer using the SetupPOS Utility and control using the DirectIO function For details see ...

Page 47: ...le with Microsoft POS for NET It allows you to develop applications that are compatible with the UPOS Unified POS specification When developing applications use a separate development environment such as Microsoft Visual Studio NET EPSON JavaPOS ADK Windows Linux JavaPOS is the standard specification which defines an architecture and device interface API to access various POS devices from a Java b...

Page 48: ...erface Windows Mac Printer Driver Mac printer driver allows you to control the printer using Common UNIX Printing System CUPS on Mac OS X This is a full raster printer driver It is able to print images text and vector graphics etc that an application displays With this driver many printer controls are possible such as paper cut timing control cash drawer control printing speed control blank line s...

Page 49: ...lity to Check the current settings Test operation Store logos Set paper reduction Set printing control Set communication interfaces Set the network Save restore settings Windows EpsonNet Config A network setting tool for Epson network products Windows Mac Epson Deployment Tool Use to make network and printer settings simultaneously Allows you to make settings efficiently at the time of introducing...

Page 50: ...ecognition rate of ladder barcodes and two dimensional symbols may vary depending on widths of the modules print density environmental temperature type of paper and characteristics of the reader Therefore the user must check the recognition rate before setting the use conditions so that the restrictions of the reader are satisfied Reading quality of barcodes and two dimensional symbols in graphics...

Page 51: ...Do not open the roll paper cover during printing The printer may be damaged Do not touch the manual cutter with your hands when installing or replacing the roll paper Otherwise you may be injured because the manual cutter blade is sharp Use roll paper that meets the printer specification For details about paper specification see Paper Specifications on page 62 Paper must not be pasted to the roll ...

Page 52: ...52 Chapter 5 Handling 3 Install the roll paper in the correct direction 4 Pull out some roll paper and close the roll paper cover 1 2 ...

Page 53: ...mmed paper When the Roll Paper Cover Cannot be Opened If the roll paper cover cannot be opened after powering on the printer the printer may be defective Contact qualified service personnel CAUTION Do not touch the thermal head See Cleaning the Thermal Head Platen Roller on page 54 After printing the thermal head and its surroundings can be very hot ...

Page 54: ...remove the paper dust clean the platen roller with a cotton swab moistened with water Turn on the printer power only after the water has completely dried Turn off the printer and open the roll paper cover Clean the thermal elements of the thermal head with a cotton swab moistened with an alcohol solvent ethanol or IPA CAUTION Never clean the product with alcohol benzine thinner or other such solve...

Page 55: ...ling Preparing for Transport Follow the steps below to transport the printer 1 Turn off the printer 2 Ensure that the POWER LED has turned off 3 Disconnect the AC cable 4 Remove the roll paper 5 Pack the printer upright ...

Page 56: ...method as the TM T20 uses but the point left uncut has been changed from one point in the left edge to one point at the center Logo Registration The TM T20IIIL can register logos in the NV memory NVRAM with the Setup Utilities Driver Compatibility You can operate the TM T20IIIL with a driver for the TM T20 USB Low Power Consumption Mode With the TM T20IIIL you can enable the USB low power consumpt...

Page 57: ... is now automatically assigned to the printer when it is connected to the DHCP server If the printer is not connected to the DHCP server the fixed IP address 192 168 192 168 is assigned in one minute after the printer is powered on If Connecting as a Peripheral Device of the TM i DT Printer If using this product as a network printer from a TM i DT printer register it as TM T20 For the registration...

Page 58: ... location as the TM T20 since its overall dimensions and weight are almost the same as those of the TM T20 Units mm TM T20IIIL W 149 D 192 H 140 mm Approx 1 5 kg W 5 87 D 7 56 H 5 52 Approx 3 31 lb TM T20 W 140 D 199 H 146 mm Approx 1 7 kg W 5 52 D 7 84 H 5 75 Approx 3 75 lb 149 140 192 140 199 146 ...

Page 59: ... A UPC E JAN 8 EAN 8 JAN 13 EAN 13 CODE 39 ITF CODABAR NW 7 CODE 93 CODE 128 GS1 128 GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked PDF417 QR CODE MaxiCode Composite Symbology Drawer kick connector drive function 2 drives Power supply Rated voltage 100 to 240VAC 50 60Hz ...

Page 60: ... with friction feed Dot density 203 203 dpi Printing width Standard mode default setting 72 0 mm 2 83 576 dots 42 column mode 68 mm 2 69 546 dots Characters per line Standard mode default setting Font A 12 x 24 48 Font B 9 x 17 64 42 column mode Font A 13 x 24 42 Font B 9 x 17 60 Character spacing Standard mode default setting Font A 12 x 24 0 25 mm 0 0098 2 dots Font B 9 x 17 0 25 mm 0 0098 2 dot...

Page 61: ...ot space 2 42 column mode Font A 13 24 dots Right side dot space 3 Font B 9 17 dots Right side dot space 2 Character size Standard Double height Double width Double width double height Standard mode default setting Font A 1 25 3 00 mm 1 25 6 00 mm 2 50 3 00 mm 2 50 6 00 mm 0 05 0 12 0 05 0 24 0 10 0 12 0 10 0 24 Font B 0 88 2 13 mm 0 88 4 26 mm 1 76 2 13 mm 1 76 4 26 mm 0 03 0 08 0 03 0 17 0 06 0 ...

Page 62: ...d to the roll paper spool For the best print quality for each paper type it is recommended to set the print density See Software Settings on page 26 Use of thermal paper with a pre printed recording surface should be avoided Using it can cause the thermal head to stick to the thermal paper surface during printing and cause printing failure and other problems The pre printing also can result in red...

Page 63: ...autocutter When removing cut paper the remaining roll paper is pulled at the uncut section and the pitch of the next print may be reduced When printing after cutting paper for prints with no pitch reduction feed the paper about 1 mm 16 406 inches before printing When leaving paper loaded for an extended period of time make sure you feed about 40 mm of paper This can prevent paper from wrinkling an...

Page 64: ...ercurrent protection may be activated and result in uneven print density or a low voltage error Therefore the printing length must not exceed the following values when printing with high print ratio Print ratio Number of dots being energized per one dot line Total number of dots per one dot line 576 dots Print ratio 80 100 Print example Print length 30 mm 20 mm 58 mm 72 mm ...

Page 65: ...eight 90 cm 35 43 Orientation 1 corner 3 edges and 6 surfaces There is no external or internal visible damage and the unit operates normally after being dropped When unpacked Height 5 cm 1 97 Orientation Lift one edge and release it for all 4 edges There is no external or internal visible damage and the unit operates normally after being dropped while not operating Acoustic noise operating Approx ...

Page 66: ...66 Appendix External Dimensions and Mass Height Approx 140 mm 5 51 Width Approx 149 mm 5 87 Depth Approx 192 mm 7 56 Mass Approx 1 5 kg 3 31 lb excluding roll paper 149 192 140 Units mm ...

Page 67: ...transmission method Power supply specifications USB self power supply function Current consumed by USB bus 2 mA USB packet size with full speed connection USB bulk OUT TM 64 bytes USB bulk IN TM 64 bytes USB device class Both USB vendor defined class and USB printer class are supported To set the USB device class see Software Settings on page 26 USB vendor defined class USB printer class Vendor ID...

Page 68: ...it length Select one of the following in the software setting mode 7 bit 8 bit Transmission speed Select one of the following in the software setting mode 2400 4800 9600 19200 38400 57600 115200 bps bps bits per second Parity check Select one of the following in the software setting mode Yes No Parity selection Select one of the following in the software setting mode Even Odd Stop bit 1 or more bi...

Page 69: ...put This signal indicates whether the host computer can receive data SPACE indicates that the host computer can receive data MARK indicates that the host computer cannot receive data When DTR DSR control is selected the printer transmits data after confirming this signal except if transmitted using some ESC POS commands When XON XOFF control is selected the printer does not check this signal 7 RTS...

Page 70: ...When the receive buffer is released from the buffer full state Transmit Transmit When the printer switches from offline to online Transmit When the printer recovers from an error using some ESC POS commands Transmit XOFF When the receive buffer becomes full Transmit Transmit When the printer switches from online to offline Transmit When the printer goes from offline to online and the receive buffe...

Page 71: ... SNMP Used by dedicated and general MIB tools to acquire and set module and printer status ENPC Used to acquire and set module and printer status DHCP Used to acquire the IP address APIPA Used to assign the IP address Item Default settings IP Address 192 168 192 168 Subnet mask 255 255 255 0 Default gateway 0 0 0 0 IP address acquisition Automatic APIPA Disabled arp ping Disabled IP Address Printi...

Page 72: ...72 Appendix Initial value when Acquiring the IP Address is set to Manual Communication mode Auto negotiation IP Filter Disabled Item Default settings ...

Page 73: ...73 Appendix Character Code Tables Refer to the following URL regarding the character code table www epson biz com pos reference charcode ...

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