Oki B6200 Maintenance Manual page 252

After tightening the screws, move the GUIDE ASSY END 550 back and forth, and
make sure that the LINK SW SIZEs operate smoothly.
6) Insert the link lever of the GUIDE INDICATOR1 (PL4.1.34) into the hole of the PLATE ASSY BTM.
(Figure 4.8)
7) While pressing down the hook of the HOUSING TOP 550, install the GUIDE ASSY SD R550
(PL4.1.13) to the HOUSING TOP 550.
After installing, make sure that the 3 claws of the GUIDE ASSY SD R550 sit
correctly in the grooves of the HOUSING TOP 550.(NOTE4).
8) While pressing down the hook of the HOUSING TOP 550, install the GUIDE ASSY SD L550
(PL4.1.11) to the HOUSING TOP 550.
After installing, make sure that the 3 claws of the GUIDE ASSY SD L550 sit
correctly in the grooves of the HOUSING TOP 550.(NOTE4).
9) Push the PLATE ASSY BTM downward to lock.
10) With completely opened GUIDE ASSY SD L550 (PL4.1.11) and GUIDE ASSY SD R550
(PL4.1.13) to the both sides,install the GEAR PINION (PL4.1.12) to the HOUSING TOP 550.
When installing the GEAR PINION, make sure the GUIDE ASSY SD R550 and GUIDE
ASSY SD L550 are completely opened. If not, the side register may be misaligned.
11) Install the COVER CST (PL4.1.1) to the 550 PAPER CASSETTE.
After assembling, make sure that the LOW IND FRONT moves up-and-down in
conjunction with the up-and-down movement of the PLATE ASSY BTM.
Chapter 3 Removal and Replacement Procedures (RRPs)
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