Oki B6200 Series, Maintenance Manual

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Chapter 3 Removal and Replacement Procedures (RRPs)
Removal
1) Remove the COVER CST (PL4.1.1) from the 550 PAPERE CASSETTE.
2) Release the lock of the LOCK EXTENSION, and draw out the cassette extension as far as it will
go.
3) Release the hooks securing the GEAR PINION (PL4.1.12) to the HOUSING TOP 550 (PL4.1.16),
and remove the GEAR PINION.
4) While pressing down the lock of the STOPPER GEAR (PL4.1.29), release the lock of the LEVER
BTM LOCK (PL4.1.27) to lift up the PLATE ASSY BTM. (Figure 4.5)
5) Slide the GUIDE ASSY SD L550 (PL4.1.11) inward, and remove it from the HOUSING TOP 550 by
pressing down the hook of the HOUSING TOP 550.
6) Slide the GUIDE ASSY SD R550 (PL4.1.13) inward, and remove it from the HOUSING TOP 550
by pressing down the hook of the HOUSING TOP 550.
7) Remove the 2 screws (gold tapping, 8mm) from both right and left sides, as well as the 6 screws
(gold tapping, 8mm) on the back, that secure the HOUSING TOP 550 (PL4.1.16) to the HOUSING
BASE 550 (PL4.1.44).
8) Turn the 550 PAPER CASSETTE over, and pull out the HOUSING TOP 550 frontward about 20
mm to release the claws that on the top of the PLATE ASSY BTM from the hooks of the HOUSING
TOP 550.
9) Release the 4 hooks of the HOUSING TOP 550, and remove the HOUSING TOP 550 and HOUS-
ING EXTENSION 550 (PL4.1.42) from the HOUSING BASE 550.
10) Slide the SUPPORT GUIDE IND (PL4.1.32), and remove it from the groove of the HOUSING
EXTENSION 550. Then, separate the HOUSING TOP 550 and HOUSING EXTENSION 550.
11) Remove the GUIDE INDICATOR 1 (PL4.1.34) from the hooks of the HOUSING TOP 550, and
remove the SUPPORT GUIDE IND together with the GUIDE INDICATOR 1 and GUIDE INDICA-
TOR 2 from the HOUSING TOP 550.
12) Release the hook of the SUPPORT GUIDE IND, and remove the SUPPORT GUIDE IND from the
GUIDE INDICATOR 2.
13) Extract the GUIDE INDICATOR 2 from the back side of the GUIDE INDICATOR 1.
Replacement
1) Insert the GUIDE INDICATOR 2 into the hole of the GUIDE INDICATOR 1 (PL4.1.34) from back.
2) Install the SUPPORT GUIDE IND (PL4.1.32) to the GUIDE INDICATOR2, and secure it with the
hook.
Install the SUPPORT GUIDE IND to the GUIDE INDICATOR 2 in the direction shown
in the figure.
3) Install the SUPPORT GUIDE IND together with the GUIDE INDICATOR 1 and GUIDE INDICATOR
2 to the HOUSING TOP 550 (PL4.1.16), and secure the GUIDE INDICATOR 1 using the 2 hooks
of the HOUSING TOP 550.
4) Slide the SUPPORT GUIDE IND (PL4.1.32) along the groove of the HOUSING EXTENSION 550
to install, and assemble the HOUSING TOP 550 and HOUSING EXTENSION 550 into 1 unit.
5) Install the HOUSING EXTENSION 550 and HOUSING TOP 550 (PL4.1.16) to the HOUSING
BASE 550 while pushing the LINK SW SIZE1-550 (PL4.1.45), LINK SW SIZE2-550 (PL4.1.46) and
LINK SW SIZE3-550 (PL4.1.47) of the HOUSING BASE 550 outward as shown in the figure.(Fig-
ure 4.2)
Be sure to put 2 claws that on the top of the PLATE ASSY BTM under the hooks on
the HOUSING TOP 550.