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RIBBON FEED - AL
H.
SUMMARY OF RIBBON MOVEMENT FUNCTION
In summary, if motion of ribbon is set for right movement, the
right feed pawl drives the right feed ratchet, while left
feed ratchet and left stop pawl is disengaged and inactive.
On the other hand, if motion is set for left movement of ribbon,
the left feed pawl drives the left feed ratchet, while the
right feed ratchet and right stop pawl is disengaged and in-
active.
5.2.12.2
Removal/Replacement
Rev. E
A.
RIBBON HOLDER PLATE (Al-B), (LEFT)
1. Disconnect ribbon releaser (l) (AL-33) from ribbon rod
link (l) CAl-98) by removing screw (l) (Al-96).
2. Remove entire ribbon holder plate (Al-B) by removing
four screws (AL-52) and washers (AL-53, 54) from left
chassis frame (AI-12).
3. To replace, reverse order of disassembly.
B.
RIBBON HOLDER PLATE (Al-55), (RIGHT)
1. Disconnect ribbon releaser (R) (Al-B2) from ribbon rod
link (R) (AL-97) by removing screw (R) (AL-96).
2. To remove entire ribbon holder plate (AL-55) perform the
foll owi ng:
a. Remove two nuts (Al-l03) and washer (Al-102) from
right-hand side of ribbon feed bar CAL-10l}.
b. Remove four screws (AL-93) and washers CAl-94, 95)
from right chassis frame (AI-l).
c.
Remove screws (AD-3B), washers (AD-39, 40) from
bracket (AD-34) and remove entire ribbon holder plate
(AL-55) .
3. To replace, reverse order of disassembly.
C.
RIBBON FEED RACK (AL-l)
1. Prior to removing ribbon feed rack (AL-1), perform para.
5.2.12.2.A.2. and swing left ribbon holder plate out of the
way.
2. Move carriage and head to the right, and fasten temporarily.
Remove two nuts (AL-l03) and washer (AL-l02) from left
side of ribbon feed bar (AL-lOl).
5-36
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