Service Utility - Epson TM-U220 Series 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.
Rev. B
TM-U220 Type A Service Manual
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.
Repair Guide 2-5