2-10
OEP-3 V1 (UC)
Two
solders
SU-56 board
Harness
Ribbon supply motor
Supply gear
bracket assembly
Mechanical block
BVTT
3x6
BVTT
3x6
BVTT
3x6
PS 2.6x4
Stepping motor bracket assembly
Platen belt
180TN
Platen block
assembly
Hook
Harness
Platen motor
bracket assembly
Stepping motor
bracket assembly
Coil
spring
Platen
belt idler
Platen pulley
Platen
belt 120TN
Mechanical
block
BVTT
3x6
Screw
(Fixing screw)
W3
W3
PS
3x6
2-3-12. Replacement of Ribbon Supply
Motor
1. Remove the top cover. (Refer to Section 2-2-1.)
2. Remove the front panel assembly.
(Refer to Section 2-2-2.)
3. Remove the mechanical block.
(Refer to Section 2-3-8.)
4. Remove the SE-539 board. (Refer to Section 2-3-9.)
5. Remove the three screws (BVTT 3 x 6), then remove
the supply gear bracket assembly.
6. Remove the two screws (PS 2.6 x 4), then remove the
ribbon supply motor.
7. Remove the harness and two solders on the SU-56
board.
8. Install a new ribbon supply motor in the reverse order
of steps 1 to 7.
2-3-13. Replacement of Stepping Motor
1. Remove the top cover. (Refer to Section 2-2-1.)
2. Remove the front panel assembly.
(Refer to Section 2-2-2.)
3. Remove the mechanical block.
(Refer to Section 2-3-8.)
4. Remove the coil spring (on the mechanical block side),
then remove the four screws (BVTT 3 x 6) and W3.
5. Push down the platen motor bracket assembly, loosen
the platen belt 180TN, and remove it.
6. Pull up the stepping motor bracket assembly, release
the hook, and remove it.
7. Loosen one screw fixing the platen belt idler, move the
platen pulley in the direction indicated by the arrow,
and remove the platen belt 120TN.
8. Remove the two screws (PS 3 x 6) and harness, then
remove the stepping motor.
9. Install a new stepping motor in the reverse order of
steps 1 to 8.
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