Oki B6200 Maintenance Manual page 268

Removal
1) Remove the COVER CST (PL4.1.1) from the 550 PAPER CASSETTE.
2) Release the lock of the LOCK EXTENSION, and draw out the cassette extension as far as it will
go.
3) While pressing down the lock of the STOPPER GEAR (PL4.1.29), release the lock of LEVER BTM
LOCK (PL4.1.27) to lift up the PLATE ASSY BTM (PL4.1.10).
4) Remove the screw (gold tapping, 8mm) securing the PLATE GEAR LOCK 550 (PL4.1.19) at the
GEAR PB R (PL4.1.20) side.
5) Release the hook of the PLATE GEAR LOCK 550, and remove it from the HOUSING BASE 550
(PL4.1.44).
6) Release the hook of the GEAR PB R, and remove the GEAR PB R from the SHAFT PB (PL4.1.9).
7) Remove the 2 screws (gold tapping, 6mm) securing the COVER BTM UP 550 (PL4.1.22), and
remove it from the HOUSING BASE 550.
8) Remove 2 GEAR LOCK PINIONs (PL4.1.23) from the HOUSING BASE 550.
9) Remove the RACK BTM LOCK 550 (PL4.1.21) together with the SPRING BTM LOCK (PL4.1.24)
from the HOUSING BASE 550.
10) Remove the GEAR BTM LOCK (PL 4.1.25) from the HOUSING BASE 550.
11) Remove the GEAR LEVER LOCK from the HOUSING BASE 550.
12) Remove the 2 screws (gold tapping, 6mm) securing the STOPPER GEAR (PL4.1.29), and remove
the STOPPER GEAR and SPRING STOPPER GEAR (PL4.1.28) from the HOUSING BASE 550.
When removing the STOPPER GEAR, be careful not to lose the SPRING STOPPER
GEAR.
Replacement
When installing, be sure to lift up the PLATE ASSY BTM. If the PLATE ASSY BTM is
inclined, a paper skew or jam may occur. Check after the installation is completed.
1) Put the SPRING STOPPER GEAR (PL4.1.28) into the STOPPER GEAR (PL4.1.29), and secure
the STOPPER GEAR to the HOUSING BASE 550 (PL4.1.44) using the 2 screws (gold tapping,
6mm).
When installing the STOPPER GEAR, be careful not to lose the SPRING STOPPER
GEAR.
Install the STOPPER GEAR so that one end of the SPRING STOPPER GEAR is in
contact with the plate located on the back of the HOUSING BASE 550 as shown in
the figure. (Refer to NOTE 2.)
2) Install the GEAR LEVER LOCK to the HOUSING BASE 550.
3) Install the GEAR BTM LOCK (PL4.1.25) to the HOUSING BASE 550.
4) Install the SPRING BTM LOCK (PL4.1.24) to the projection of the RACK BTM LOCK 550
(PL4.1.21), and install them to the HOUSING BASE 550.
When installing the RACK BTM LOCK 550, be sure to install it with the LEVER BTM
LOCK lifted up. After installing, push down the LEVER BTM LOCK and then release
the finger from it, check that the projection of the LEVER BTM LOCK is hit the
stopper of the HOUSING BASE 550 and the triangle mark is placed above the
stopper.
5) Install 2 GEAR LOCK PINIONs (PL4.1.23) to the HOUSING BASE 550, and engage the gear.
Chapter 3 Removal and Replacement Procedures (RRPs)
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