Epson TM-U220 Series Service Manual

Rev. B Repair Guide 2-11
TM-U220 Type A Service Manual
Confidential
Normal print result Explanation
➀
➂
➄
➅
➁
➃
➆
➇
➈
➀ Prints program version.
➁ Prints ”power on status” set with printer sequence.
➂ Displays size of main ROM. (Differs depending on
specifications.)
➃ Displays size of extended ROM. (Differs depending
on specifications.)
➄ Prints defined bit image data in NV memory. *1)
➅ Prints defined data in NV user memory. *2)
➆ Prints information on EPSON NV memory. It is
changeable with the printer status. *3)
➈ Prints definition of command default values.
Note:
*1, 2) Data defined by a user must be backed up
and restored.
Main program version is printed.
Boot program version is printed.
Original program version is printed.
Manufacturer name
Model name
Product serial no.
➇ Prints defined data for the space page.

Epson TM-U220 Series Specifications

General

Print Method	9-pin, serial impact dot matrix
Autocutter	Partial cut
Weight	Approx. 2.5 kg
Paper Thickness	0.06 to 0.085 mm
Operating Temperature	5 to 45 °C
Interface	RS-232, Bi-directional parallel, USB, Ethernet
Number of Columns	42 columns
Data Buffer	4 KB
Character Set	95 Alphanumeric, 128 x 12 Graphic
Power Supply	AC adapter
Operating Humidity	10% to 80% RH (non-condensing)
Print Speed	4.7 lines per second (at 40 columns, 16 dpi)
Paper Width	76 mm / 69.5 mm / 57.5 mm ± 0.5 mm
Copy Capability	Original + 2 copies