B) Mechanical Section - Radio Shack TRS-80 Service Manual
Pocket computer printer and cassette interface
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Also See for TRS-80:
- Reference manual (274 pages) ,
- User manual (236 pages) ,
- Service manual (199 pages)
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All
and
more
about Sharp
PC-1500
at
http://www.PC-1500.info
B) MECHANICAL SECTION
1.
Printing functions
Print method:
Drive system:
Printing
speed:
Printing coJumns:
Stepping speed:
Stepping
distance:
Line drawing speed:
Character
size:
1. SPECIFICATIONS
Ball point
pen
recording with four
color
rotary select systern
.
D rum type
X-Y
plotter
12
chorocters/second for specified
characters
(
Reference)
36 columns/ line
for specified characters
36,
1&,
12,
9 columns selective
260
steps/second
0.2mm
for
X-axis
and
0.2rnm for Y-axis
52mm/second
(X
and Y axis)
73mm/second for 45° direction
One example of printed
character
0.2
1.2
DE
1) Character size:
1.05
x
1.45,
for
IJne
width of0.25
2) Char3cter-to..:haracter spacing: 1.2
±I
0%
3)
Line spacing:
2.4
± 10%
2. Effective range of plotting
I) P!o!lil!g
!li.!ectio!!
Jn reference with
tb
e
carmge
moving
direction,
the rightward
direction is
determined to
be
X-axis(+)
and
the
leftward
direction is
determined
to
be
X-axis(-
).
2) Effective
range of plot:irig
X-axis:
43.2mm, 2
16
steps
Y-axis:
Any
range as determined by software.
Do not sale
this
PDF
!!!
- 39-
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