Read Sharp UP-800 (serv.man17) Service Manual online
3-6
LT-1320CS
5
q Pull up the right side of the thermal print head
unit in direction A.
w While tilting the thermal print head unit in
direction B, pull it out in direction C.
e Remove the screw (M2.0x3) and remove the
earth wire from the thermal head unit.
r Verify the head bushing R/L mounting
orientation.
t Remove head bushing L and head bushing R
from the thermal print head unit.
● Lubrication
- Apply Sumitec 501 No. 1 to the section where
the thermal print head unit contacts the frame.
- Apply Sumitec 501 No. 1 to the section where
the head bushing L and head bushing R contact
Sumitec 501 No. 1
(outer circumference)
Sumitec
501 No. 1
(bothsides)
4
q Turn the head up lever until the shaft hole and
the protrusion on the head bushing L are
matched.
matched.
w Remove the head up lever.
● Lubrication
Apply Sumitec 501 No. 1 to the protrusion on
the frame contacted by the head up lever cam.
● Mounting head bushing L
Align the top/bottom orientation of the stepped
sections according to the paper specification
and attach the head bushing [Fig. (1)].
● Mounting head bushing R
Align the top/bottom orientation of the cutouts
on the external circumference according to the
paper specification and attach the head bushing
[Fig. (2)].
● Mounting the thermal print head unit
Verify that protrusion G on the thermal print
head unit is engaged in square cutout H on the
frame [Figs. q,w].
q
w
A
q w
Sumitec 501 No. 1
Head bushing L
orientation
(2)
(1)
Head bushing R
orientation
e r t
Protrusion G
B
C
Protrusion G
Thermal print
head unit
Square cutout H
Head
bushing R
Head
bushing L
Thermal print head unit
Head bushing L
Head up lever
Earth wire
Screw
(M2.0x3)
Click on the first or last page to see other UP-800 (serv.man17) service manuals if exist.