SATO TG308, Service Manual

Page: 168 / 252

Section 6: Checks and Adjustment Procedures
Page 6-30
TG3 Series Service Manual
6.10 ADJUSTING CUTTER SENSORS (Cont’d)
6.10.4 To adjust circle cutter position sensor
1.
Ensure the printer power is turned off. Detach the cutter unit
without disconnecting the connector.
First, lift up the
Main cover
, unscrew the
shaft
that holds
the
cutter unit
in place, removed the
shaft
and set aside.
Carefully lift and pull out the
cutter unit
without disconnect
the connector.
2.
Unscrew and remove one
thumb screw
and a
flat head
screw
located on top of the cutter unit.
Lift up the top assembly of the cutter sensor unit and dis-
connect the wiring harness from the
L-SEN
connector.
3.
Set the white slider, located behind the circle cutter, to
SEN1
sensor on the cutter position sensor PCB.
4.
Set the digital multimeter to direct-current voltage mode.
Connect
[+]
probe to
Pin 3
of
CUT-SW
connector, and
[ - ]
probe to
Pin 4 (SG)
of
CUT-SW
connector.
Cutter unit
shaft
1
2
3
VR2 VR1
SEN2
SEN1
Slider
Pin 4
Pin 3
Pin 1
CUT-SW connector