SATO TG308, Service Manual

Page: 190 / 252

Section 7: Replacement Procedures
Page 7-6
TG3 Series Service Manual
7.3 REPLACING PLATEN ROLLER (cont’d)
9.
Replace the defective
Platen roller
and re-attach the three
bearing
to the same position as mentioned on
step 8.
Note:
The shaft with screw holes should always be on the left.
10.
Match the lines indicating drilled hole positions of platen roller with the center of hex socket screw holes in
the adapter. Then insert the platen roller.
11.
With the
Hex wrench
, tighten the first screw lightly. Turn the platen roller 120-degree and tighten the other
screw securely. Turn the platen roller 120-degree again, and then tighten the first screw securely.
Note:
Make sure the platen roller is inserted firmly and tighten the screws.
12.
Re-attach the
Bearing
and the
Supporter clamp
and fasten the two
screws
(1) back to secure the
platen
roller assembly
.
13.
Re-install the
Operator panel cover
and
Cutter unit
back to the printer.
14.
Reload the media to the printer and restore power.
Perform feed and backfeed motions, making sure that there is no paper slack. Print a test pattern to ensure
proper function.
Hex socket
screw hole
Line indicating
drilled hole position
Platen roller
Line indicating drilled hole position
Line indicating drilled hole position
Drilled hole
positions
Insert the platen roller in the direction of an
arrow .
Make sure the lines on the platen roller meet
the center of screw holes in the adapter.
Lines indicating drilled hole position
Adapter