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4.6.28 Ribbon Cassette (285 Ipm)
Removal
1.
2.
3.
4.
5.
6.
Open the printer covers.
Open the print unit. Open the upper
ribbon shield.
Raise both ribbon guides.
Open the ribbon drive release lever
m .
Press the ribbon cassette release button
II
located at the right end of the ribbon
cassette and sl ide the ribbon cassette to
the right, off the drive roll assembly, and
out of the mounting bracket.
Remove the ribbon from the guides and
remove the ribbon cassette from the
machine.
Replacement
1.
2.
Pull about 6 inches (152.4 mm) of ribbon
from the left end of the cassette and
place the ribbon between the drive roll
release lever
m .
Place the ribbon cassette in the printer
so that the left end of the cassette is
about 1 inch (25.4 mm) from the ribbon
drive roll. (The right end of the cassette
will cover the release button.)
3.
Press down on the cassette and slide it to
the left until it latches.
4.
Raise the ribbon guides, and feed the
ribbon through the slot in the bottom of
the left guide, then on around the guide.
5.
6.
7.
8.
9.
Close the ribbon drive release lever
m .
Pull about 12 inches (304.8 mm) of ribbon
out of the right end of the cassette and
feed the ribbon from the left guide on
around the right guide.
Take up any extra ribbon slack by rotating
the right pulley counterclockwise.
Lower the ribbon guides.
Turn the right pulley counterclockwise to
feed the ribbon down between the type belt
and the ribbon shield. While still turning
the pulley, verify that the ribbon tracks
between the metal and plastic guides in the
lower ribbon shield. Close the upper ribbon
shield. Turn the pulley again to ensure that
the ribbon tracks under the upper ribbon
shield.
10.
Close the print unit; then close the
printer covers.
4-126
4.6.29 Ribbon Drive Assembly
Removal
1.
2.
3.
4.
Open the printer covers.
Remove the type belt (4.6.13).
Remove the type belt drive pulley assem-
bly (4.6.14).
Remove the ribbon cassette (4.6.28).
5.
Remove the ribbon drive assembly by
removing the three mounting screws
II
Replacement
1.
2.
3.
4.
5.
I nstall the ribbon drive assembly and
perform the ribbon drive belt tension
adjustment (4.6.31).
Install the type belt drive pulley assembly
and type belt.
Check the ribbon solenoid adjustment
(4.6.32).
Install the ribbon cassette and check that
the ribbon is tracking properly.
Close the cover.
Upper Ribbon Shield
(shown closed)
Ribbon Guides (2)
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