Oki B6500

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Chapter 3 Removal and Replacement Procedures (RRPs)
Replacement
1) Insert the SHAFT PB (PL 12.3.9) into the PLATE ASSY BTM, and insert the GEAR BTM DMP
ONEWAY, GEAR PB L and GEAR BTM LOCK ONEWAY to the SHAFT PB.
2) While disengaging the GEAR PB L, install the assembled PLATE ASSY BTM to the HOUSING
TOP 550 (PL 12.3.16).
When installing the PLATE ASSY BTM, be sure to put 2 SPRING BTM UP 550s (PL
12.3.18) into the bosses on the back of the PLATE ASSY BTM.(NOTE1).
Be sure to put 2 claws at the tip of the PLATE ASSY BTM under the hooks on the HOUS-
ING TOP 550.(NOTE2).
3) Insert the link lever of the GUIDE INDICATOR1 (PL 12.3.34) into the hole of the PLATE ASSY
BTM.
4) Install the GEAR PB R (PL 12.3.20) to the SHAFT PB, and secure it with the hook.
Be sure to install the hook of the GEAR PB R into the groove of the SHAFT PB. (NOTE3).
When installing the PLATE GEAR LOCK 550, 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 instal-
lation is completed.
5) While pressing down the hook of the HOUSING TOP 550, install the GUIDE ASSY SD R550
(PL 12.3.13) 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.
6) While pressing down the hook of the HOUSING TOP 550, install the GUIDE ASSY SD L550
(PL 12.3.11) 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.
7) Push the PLATE ASSY BTM downward to lock.
8) Install the GEAR PINION (PL 12.3.12) 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.
9) Install the COVER CST (PL 12.3.1) to the 550 PAPER CASSETTE.
After assembling, make sure that the LOW IND FRONT moves up-and-down in conjunc-
tion with the up-and-down movement of the PLATE ASSY BTM.