Adjust Various Setting; How To Confirm Current Settings; Adjusting The Dip Switches - Epson TM-U220 Series Service Manual

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Adjust various setting

This printer is able to be adjusted for the items below:
DIP switch (communication condition, busy condition, print column,
Memory switch (serial communication conditions, roll paper width,
Roll paper width (76mm / 69.5mm / 59.5mm)
Position of roll paper near end detector
The current settings can be confirmed by a self-test. (See page 2-2.)
Note:
When you use serial interface model with 1200bps, 2400bps, or 19200bps, you have to adjust DIP switch
"Serial interface selection" function and Memory switch "Serial comminucation conditon".
When you adjust the items, we recommend to confirm the new setting is enable or disable. The confirming
is performed by self-test. (See page 2-2.)

How to Confirm Current Settings

You can use a self-test to confirm the current settings. (See page 2-2.)

Adjusting the DIP Switches

The printer has two sets of DIP switches. The function of the DIP switches is different for each
interface model.
If you need to change settings, follow the steps below to make your changes:
CAUTION:
Turn off the power while removing the DIP switch cover to prevent an electric short,
which can damage the printer.
Use a crosshead screwdriver to remove the screw holding the DIP switch cover.
Rev. A
receive buffer capacity, etc...)
cover open status handling, etc...)
Adjusting the spacer & memory switch
TM-U220 (TypeB/TypeD) Service Manual
Adjustment and Setting 5-7