Specifications - Hitachi 902 Service Manual

15.4.2 Specifications

(1) Printing system
(2) Dot formation
(3) Dot pitch
(4) Number of printing columns : 20 columns (in character mode)
(5) Character size
(6) Printing position
(7) Printing speed
(8) Character composition
(9) Character type
(10) Printing lifetime
(11) Printing density
: Thermal line-dot system
: 140 line-dots
: 2.8 dots/mm (70 dots/inch, in column direction)
: 1.8 (W) × 3 (H) mm
3.6 (W) × 3 (H) mm
: See Fig. 10.
: 4 lines/sec
(80 characters/sec); Normal size
(40 characters/sec); Enlarged size
46-dot line/sec
: 5 × 7 dots
8 × 17 dots/line
: JIS C II (160 types)
: 2 million lines (20 million-dot lines) or more
: OD level 0.8 or more (when printing on specified paper at
room temperature and drive input voltage 24.7 V)
15 - 11
Normal size (character mode)
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Enlarged size (character mode)
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Character mode
Graphic mode
Character mode
Graphic mode