Service manual

ADDENDUM
Operating Principles
Stylus-800/1000 SERVICE MANUAL
2.1.1 Sensor Circuit
In addition to the sensors built in the C106 MAIN
BOARD
for
the
StylUS-8C10,
the
C114
MAIN BOARD for the
Stylus-1000 is equipped with a sensor which detect the position of the release lever. The release lever is used
to switch between normal paper feed from the built-in ASF and the tractor feed which is ordy available if the
optional tractor unit has been installed. The figure below shows the sensor circuit block diagram.
+5V
+5v
FT@
PE
‘+5V
HP
(CN3)
+!5V
+5v
79 I
801
RE
SW8 SW7
Ink
(CN4;
IC9
INK 46
W6
E05A85EB
I
(IC3)
CPU
(ICI)
+5V
AN1
74
4
T
,.–.
.—
!
Printhead
‘— . . — .
Figure 2-2 Sensor Circuit Block Diagram
2-2
REV.-A