Epson U220B - TM Two-color Dot-matrix Printer Technical Reference Guide

3-14 Setup Rev. D
3. Plug the power supply cord into the connector shown below.
Note:
To remove the DC cable connector, make sure the power supply’s power cord is unplugged; then grasp the
connector and pull it straight out.
When you connect the power supply unit to the printer, we recommend to do a self test to
confirm the operation. See “Self Test” (page 3-40) for details.
3.4 Adjusting Various Settings
This printer is able to be adjusted for the items below:
❏ DIP switch (communication condition, busy condition, print column,
receive buffer capacity, etc...)
❏ Memory switch (serial communication conditions, roll paper width,
cover open status handling, etc...)
❏ Roll paper width (76mm / 69.5mm / 59.5mm)
Adjusting the spacer & memory switch
❏ Position of roll paper near end detector
The current settings can be confirmed by a self test. (See “Self Test” (page 3-40).)
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 communication condition“.
When you adjust the items, we recommend to confirm the new setting. The confirmation is performed by
running a self-test. See “Self Test Procedure” (page 3-40).
3.4.1 How to Confirm Current Settings
You can use a self-test to confirm the current settings. See “Self Test” on page 3-40.
DK
DC24V
FG
FG
Power supply connector

Epson U220B - TM Two-color Dot-matrix Printer Specifications

General

Print Method	9-pin, serial impact dot matrix
MTBF	180, 000 hours
Weight	Approx. 2.5 kg
Data Buffer	4 KB or 40 bytes
Paper Handling	Friction feed
Character Set	95 Alphanumeric, 128 x 12 Graphic
Paper Dimensions	58, 70, 76 mm
Interface	USB, Serial (RS-232C), Parallel (IEEE-1284)
Reliability	18 million lines
Dimensions	160 (W) x 248 (D) x 139 (H) mm
Inked Ribbon	ERC-38
Color Support	Two-color printing (Black and Red)
Print Speed	4.7 LPS (lines per second) at 40 columns, 6.0 LPS at 30 columns
Character Size	1.2 × 3.1 mm (W × H) / 1.6 × 3.1 mm (W × H)