18. Placethe positive
(+)
lead of the meter on the
yellow
wire
solder
connection on the printer
timing
sensor
(PTS)
board.
19. Loosen the printer timing sensor board locking
screw.
20. Move the printer timing sensor board either way
until the voltage reading is an up level
(approximately 5 Vdc).
Locking
Screw
Positive
(+)
Lead
to
Yellow
Wire
Connection
21. Move
the
print
head
slightly to
the
left.
The
voltage
reading should drop to a down level (approximately
0 Vdc).
Do
not
allow
the
print
head
to step to
the
next
detented
position.
22. Move
the
print
head
slightly to
the
right.
The
voltage reading should drop to a down level
(approximately 0 Vdc).
Note:
It
is very important
that
the
amoimt
of
pressure exerted on
the
print head be equal in
either
direction
when
the
meter
reading
drops
to
the
down
level, without causing
the
print
head
to
jump to
the
next
detented
position.
4-1400-46
Graphics
Printer
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