Sharp PC-1600

-
PC-l600
Recording paper
The following paper specifications are recommended to
meet the write and paper feed requirements of the ball
point pen.
1) Cut sheet
(1) Kind:
Plain paper
(2) Paper quality:
Must be a hiqh-qualitv paper whose surface smoothness
is more than 25 seconds without oil material on surface.
(3) Thickness:
60 to 110 microns (70 microns, preferable) which
equals 52.3g/m
2
•
(4) Width:
A4: 210±2mm
Letter: 215.9±2mm (8%±0.078")
Paper roll: EA4AR 1 (A4 size paper roll)
EAl LRl (letter size paper roll)
Recommended ball point pen: specifications are as foliows.
(1) Kind:
Water based
(2) Size:
<1>5 x 23.3mm, +Omm, -0.1 mm
(3) Ufe:
250m or more (when EA4ARI is USED)
(More than 43,000 characters of 96 ASCII character set of
2.4mm height.)
3. A Wiring Oiagram
Below is a wiring diagram of the PTMPG Printer Circuit
Board.
Carriage Position 0
etector
(Downside)
White
X-Motor
Z-Motor
V-Motor
Right Angle Wafer 17 Pins
15046-17A
(MOLEX JAPAN CO., LTD)
Figure VII-1: Wiring Diagram
4. Circuit Oiagram
Below is a circuit diagram of the PTMPG Printer Circuit
Board.
Name
Phase I Color I No.
Circuit
Blue
2
Carriage
Position
Detector
B 17
A 16
X-motor COM Black 15
(Carriage
Movement) 0 Red 14
C I White I 13
B I Blue I 12
A I Vellowl 11
V-motor
(Paper-
Feeding)
COM I Black I 10
o I Red I 9
C I White I 8
B I Blue I 7
A I Vellowl 6
COM I Black I 5
Z-motor
(Pen-Up!
Down &
Color-
Change)
o I Red I 4
C I White I 3
B
A I Vellow
Figure VII-2: Circuit Diagram
o--o~
Drive pulse train
X-axis and Y-axis drive motors ('-2 phase excitation)
Motor
Moving direction
shaft
Step No.
A
B
C 0
rotating
direction
X-axis
V-axis
1
ON OFF
OFF
ON
2 OFF OFF
OFF
ON
3 OFF
ON OFF
ON
4
OFF ON
OFF OFF
Counter-
+
+
clockwise
Clock· Reverse
5 OFF ON
ON OFF
wise
feed
6 OFF
OFF ON
OFF
7
ON OFF
ON OFF
8 ON
OFF
OFF
OFF
The X-axis motor operates under the 2-2 phase excitation
mode during initialization.
Z-axis drive motor (2·2 phase excitation)
Step No.
A
B
C 0
MotQr shaft
Moving
rotating direction
direction
1
ON OFF
OFF
ON
2
OFF
ON OFF
ON
Counterclock-
+
3 OFF
ON
ON OFF
wise
Pen down
4
ON OFF
ON
OFF
_ "Tc)_