Epson TM-L90-i Technical Reference Guide

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Settings Confirmation Mode
In addition to normal printing mode, there is also a self test mode and hexadecimal dump mode
to check the various printer settings.
Self-test Mode
In self test mode, you can print the printer status and a rolling printout of installed characters.
When printing the printer status, you can check the following items.
•Control circuit functions
•Printer mechanism functions
•Printing quality
•Control software version
•DIP switch setting
s
•Memory switch settings
•Paper width settings
Run the Self-test Mode
Follow the steps below to run this mode.
1
Close the roll paper cover.
2
Press the FEED button on the control panel while turning the power on.
(Press and hold the FEED button until printing starts.)
The printer prints current status of the printer.
When printing is complete, the following message is printed, the PAPER LED flashes, and
the printer waits in test printing mode.
"If you want to continue SELF-TEST printing. Please press FEED button"
3
To perform a test printing, press the FEED button.
During test printing, a rolling pattern of installed characters is printed.
When printing is complete, "*** completed ***" is printed.
After the printer is initialized, it returns to normal printing mode.
For a fixed IP address, printing will start in approximately 6 seconds; for automatically
acquired settings, printing will start in approximately 13 seconds. (More time might be
required, depending on the response time from the host.)

Epson TM-L90-i Specifications

General

Type	POS printer
Character size	0.99 x 2.4 mm
Print technology	Thermal
Maximum resolution	180 x 180 DPI
Country of origin	China
Autocutter durability	2 million cuts
Mean time between failures (MTBF)	180000 h
Product color	Gray
Maximum roll diameter	90 mm
USB port	Yes
USB connector	Micro-USB Type-A, Micro-USB Type-B, USB Type-A
USB 2.0 ports quantity	4
Connectivity technology	Wired
Ethernet LAN (RJ-45) ports	1
Storage temperature (T-T)	-10 - 50 °C
Operating temperature (T-T)	5 - 45 °C
Operating relative humidity (H-H)	10 - 90 %
Wi-Fi	No
Ethernet LAN data rates	10, 100 Mbit/s
Package depth	300 mm
Package width	190 mm
Package height	240 mm
Package weight	3000 g
Quantity per pack	1 pc(s)

Weight and Dimensions

Depth	195 mm
Width	145 mm
Height	148 mm