Epson TM-88 Dip Switch Settings

Question:

  • Epson TM-88 Dipswitch Settings
  • Epson TM-88 Printer Configuration
  • Epson TM-88 Calibration
  • How do I see my Epson TM-88 printer settings

Environment:

  • Epson TM-88 Printer

Answer:

The Epson TM-88 has physical dip switches that control some of the printers settings. Some of these dip switch settings are used for serial communication to the meters. These communication settings need to match the printer communication settings that are set on the meter (Handshaking, Parity Check, Parity Selection, Baud Rate). 

*Note: Sometimes the default printer settings do not match the meter's default settings Or the printer communication settings may have been changed on your meter. 

The dip switches are located on the bottom of the printer under a service cover.

tm88-dipswitches.jpg

These dip switches can be difficult to see what position they are in. You can print a Configuration Ticket to see exactly what position the dip switches are on. 

How To Print An Epson TM-88 Configuration Ticket

Here are the recommended dip switch settings below. 
Dip Switch Bank 1

Dip Switch Function ON OFF Recommended
1 Data Reception Error Ignored Prints a "?" *Optional
2 Receive Buffer Capacity 45 bytes 4 KB OFF
3 Handshaking XON/XOFF DTR/DSR OFF
4 Word Length 7 bits 8 bits OFF
5 Parity Check Yes No OFF
6 Parity Selection Even Odd OFF
7 Baud Rate See Grid Below See Grid Below ON
8 Baud Rate See Grid Below See Grid Below OFF

Dip Switch 7 & 8 work together to set the Baud Rate. 

Baud Rate Dip Switch 7 Dip Switch 8
4800 OFF ON
9600 (Default)    *Recommended ON OFF
19200 OFF OFF
Depends on memory switches (Customized Value) ON ON


Dip Switch Bank 2

Dip Switch Function ON OFF Recommended
1 Handshaking (Busy condition) Buffer Full Offline OFF
2 Reserved (Do NOT Change) OFF OFF OFF
3 Print Density See Grid Below See Grid Below *Optional
4 Print Density See Grid Below See Grid Below *Optional
5 Release condition buffer Busy 138 bytes 256 bytes OFF
6 Reserved (Do NOT Change) OFF OFF OFF
7 I/F pin 6 reset signal Enabled Disabled OFF
8 I/F pin 25 reset signal Enabled Disabled OFF

Dip Switch 3 & 4 work together to set the

Print Density Dip Switch 3 Dip Switch 4
Do Not Set Density ON ON
Print density (standard) OFF OFF
Print density (darker than standard) ON OFF
Print density (dark) OFF ON


Epson_TM88v_DipSwitches.jpg


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