Epson TM L90 Technical Reference Guide

106 ESC/POS Command-Related Information
6.5 Customizing Printer
You can customize your TM printer by changing memory switches and the command default
value and saving the data onto the NV (nonvolatile) memory. Refer to the next section.
6.5.1 Printer Initial Setting Up
Printer initial setting up can be made by memory switches and character code page. Refer to
page 44 for details of memory switches.
6.5.2 Changing Command Default Values
You can customize your TM by changing the command default value and save the data onto the
nonvolatile memory.
6.5.3 Using the NV Memory
There is free area in NV memory for user can use. You can use this free area as memo, write
other character information or multipurpose. The data is saved even if you turn off the power.
Refer to the “ESC/POS Command Reference“ on how to read and write.
6.6 Printer Status
There are three ways to get the printer status, and each method has the following features. Refer
to the ESC/POS Application Guide for details.
• Automatic status (ASB):
When processed as a normal command, the printer automatically transmits a status
message whenever the status changes. It is always necessary to check the ASB status.
•Real time status:
When the printer receives this command, it responds with the specified printer status.
Reporting the printer status takes priority over any normal print data.
• Status:
The printer transmits a specified printer status in the same way that it processes normal
print data.

Epson TM L90 Specifications

General

Maximum resolution	203 x 203 DPI
Maximum roll diameter	90 mm
Supported paper width	37.5, 79 mm
RS-232 ports	1
Standard interfaces	RS-232
Connectivity technology	Wired
Country of origin	China
Dimensions (WxDxH)	140 x 203 x 148 mm
Flash memory	0.384 MB
Operating temperature (T-T)	5 - 45 °C
Pallet width	800 mm
Pallet height	2600 mm
Pallet length	1200 mm
Pallet width (UK)	1000 mm
Quantity per pallet	112 pc(s)
Quantity per pallet (UK)	168 pc(s)
Quantity per pallet layer	16 pc(s)
Quantity per pallet layer (UK)	24 pc(s)
Package depth	257 mm
Package width	193 mm
Package height	241 mm
Package weight	2560 g
Quantity per pack	1 pc(s)