SATO TG308, Руководство по обслуживанию

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Section 7: Replacement Procedures
Page 7-16
TG3 Series Service Manual
7.10 REPLACING STEPPER MOTOR
The stepper drive motor transmits kinetic energy to different assemblies of the printer via the power route
assembly (timing belt and gear configuration) for precise print positioning.
1.
Before proceeding, switch off the printer and remove the main cover, left housing cover and the top left
housing cover to gain access to the internal (electrical and mechanism) hardware. Refer to
Section 7.1
Removal of Housing cover
for details.
2.
Unscrew five
screws
to detach the
Main (CONT) PCB bracket
from the printer frame. Refer to
Section
7.6 Replacing Torque Limiter (Ribbon Unwinder)
for details.
3.
Loosen the adjustment screw of
tension bracket
and remove the
Timing belt M386
as mentioned in
step
6
of
Section 7.9 Replacing Timing Belt (Platen)
.
4.
On the printer frame side of the
Platen roller assembly
, remove the two
Hex socket set screws
with a
Hex wrench to release the platen roller from the gear shaft. Refer to
Section 7.3 Replacing Platen Roller
for details.
5.
On the printer frame side of the
Feed roller assembly
, remove the two
Hex socket set screws
with a Hex
wrench to release the feed roller from the gear shaft. Refer to
Section 7.4 Replacing Feed Roller
for
details.
6.
Remove five
large pan head screws
(1) securing the
Power Route assembly
(2) to the printer frame as
shown.
Platen roller
Hex socket
set screws
Feed roller
Hex socket
set screws
Feed roller assembly Platen roller assembly
2
1