Centronics 101AL Technical Manual page 106

RIBBON FEED MECHANISM
Ribbon Reversing Rod
1. On the right-hand side of printer, unscrew threaded coupler
(HI-94) from connector (HI-91).
2. Loosen allen-head screw (HI-96) on stopper (HI-95) on left
Side of ribbon reversing rod (HI-92) using a 1.5 millimeter
(0.06-in.) allen-wrench.
3. Loosen locking nut (HI-98) with a 7 millimeter (0.28-in. )
wrench on left side of ribbon reversing rod.
4. Unscrew ribbon reversing rod from left coupler and remove.
Driving Slide Shaft - A
1. On the right side of the printer, remove two screws (HI-131)
from holder (HI-133) supporting driving slide shaft A (HI-103)
and drop the shaft slightly.
2. Using a 13: millimeter (0.06-in.) allen-wrench, remove two
allen-head screws (HI-29) on bevel gear (HI-27) on right
Side of printer.
3. Remove bevel gear and bushing.
4. Remove snap ring (HI-105) and washer (HI-140) from drive
shaft A on right side of printer.
5. Repeat step C.1. through C.4. on left side of printer, but
remove left holder (HI-130) in step C.1.
6. Remove driving slide shaft A to the right of the printer.
7. To reassemble, reverse order of disassembly.
Ribbon Spool Holder (left and right)
1. Remove both ribbon spools (left and right).
2. Remove left and right spool holders (HI-35, 55) by removing
bolts (HI-54) from left and right chassis (HE-86, 85).
Ribbon Spool Shaft (left and right)
1. To remove left and right ribbon spool shaft (HI-38, 57) first
loosen allen-head screws (HI-42) on bevel gears (HI-43, 59)
and remove gear.
2. Loosen allen-head screws (HI-42) using 14 millimeter (0.06-in. )
'allen wrench, on left and right collars (HI-41) located on
ribbon spool shafts (HI-57, 38).
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