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

Rev. D General Information 1-9
TM-U220 Technical Reference Guide
1.5.2 Paper Roll Supply
Supply method: Drop-in method
Paper roll end detection: Detection method: Mechanical microswitch
Detection position: Positioned within the paper path for the
roll paper; detects the end of the roll paper
Near-end detector: Detection method: Mechanical microswitch
Inner diameter of the roll paper core: 10.5 to 12.5 mm
Near-end adjustment: Adjusting screw
Remaining amount: Fixed position
#1 approximately 8 mm
#2 approximately 5 mm
(The adjusting screw has two positions.)
See“Adjusting Position of Roll Paper Near End Detector”
(page 3-27).

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)