Epson TM-U220 Series Service Manual

Rev. B Repair Guide 2-5
TM-U220 Type A Service Manual
Confidential
Service Utility
Using the service utility, you can confirm the printer status and change settings. The following
section explains the operation for confirming the printer status.
* To use the repair functions in the service utility, a password is required. Refer to the manual
supplied with the service utility for the password.
Start up of the service utility
When you start the service utility, the following communication conditions dialog box appears.
1. Model selection:
Select the TM-U220 (Type A model printer).
2. Communication condition selection:
Select the I/F used with the printer. You can confirm the communication conditions set for
the printer by running the self-test. Refer to the self-test section for details.
3. Communication test:
4. Confirm the communication status with the connected printer. Normally, the following
message appears.
.
When the communication conditions are set correctly, the following functions are available.
❏
Self-test mode 1: Outputs the same results as the self-test printout of status.
❏
Self-test mode 2: Outputs the same results as the self-test printout of the roll pattern.
1. Select the model (TM-U220).
2. Select the type of I/F.
3. Select the parameters to
communicate with the printer.
4. Test the communication.

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