Epson TM-T88VII Technical Reference Manual page 131

Digest authentication
You need Digest authentication to communicate with the printer.
The default settings for the ID and password are as follows.
ID epson
Password "epson" or the product's serial number*
*The default setting for the password varies depending on the firmware version.
Firmware version
Before 40.52A/40.52B ESC/POS
40.52A/40.52B ESC/POS or later
You can check the firmware version using the self-test
You can check the product's serial number using a self-test
manufacturing nameplate attached to the product.
Escape processing for configuration scripts
When reading/writing a configuration script for a printer, the strings (content of the configuration script) being
transmitted and received uses the following escape processing. However, escape is not performed for uXXXX
(hexadecimal strings) such as Japanese.
Table 2 Escape Processing
Escape
\"
\\
\b
\f
\n
\r
\t
\u002F
\u003C
\u003E
\u002B
Password
"epson"
Product serial number (10 alphanumeric characters, case sensitive)
("Self-test Mode" on page
Description
quotation mark
reverse solidus
backspace
form feed
line feed
carriage return
tab
solidus
<
>
+
71).
("Self-test Mode" on page
Appendix
71) or on the
131