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B
RP-U420 series
Specification
(STANDARD)
2
1
I. BASIC SPECIFICATIONS
1.1 Printing Specifications
1) Printing method:
Serial impact dot-matrix
2) Head wire configuration:
9-pin serial configuration
3) Printing directions:
Bi-directional printing
4) Printing speed:
Approx. 3 lps (lps: lines per second)
(Excludes data transfer and processing time)
5) Maximum print positions
Receipt / journal printing : 216
Validation printing:495
Position spacing: Approx. 0.17 mm (half dot pitch)
Table 1.1.1 Character Dimensions, Characters Per Inch, Characters Per Line
Character configuration
Horiz.
×
Vert.
Character type
Character
dimensions
W
×
H (mm)
Dot spacing
between
characters
Characters
per line
(cpl)
Characters
per inch
(cpi)
7
×
9
ANK
1.31
×
3.1
2 Half-dots
24
16.6
16
×
9
Chinese
2.84
×
3.1
2 Half-dots
12
8.3
NOTE: Neighboring-position printing is not possible.
Validation printing is for 1 line.
6) Characters per line
Using a 7(position)
×
9(wire) font with 2-position column spacing.
Receipt / Journal printing : 24 columns
Validation printing :
55 columns
1.2 Character Specifications
1) One-byte code font
Number of characters:
Alphanumeric characters:
95
Extended graphics:
128
×
12 pages
(including two space pages)
International characters:
37
2) Two-byte code font
Traditional Chinese character (Based on Big 5 code table)
•
Total 13053 characters (*1)
(*1): When printing Kanji characters which consist of many lines, be sure to consider that some
of characters may not be readable.
1.3 Roll Paper Supply Unit
1) Supply method:
Drop-in method
2) Near end detector:
Near-end detectors for journal and receipt are standard.
Detection method: By mechanical microswitch
Paper roll near-end detection is adjustable.
Refer to Appendix B for instructions on adjusting the near-end detector
location.