e-STUDIO556/656/756/856(Ver03) © 2012 TOSHIBA TEC CORPORATION All rights reserved
DISASSEMBLY AND REPLACEMENT
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4.8.18 Procedure for replacing an oil seal
4.8.19 Developer unit motor (M10)
In the developer unit, the oil seals are used at the
following 9 places.
• Rear side of the upper and lower developer
sleeve (1 for each)
• Front side of the transport sleeve (1)
• Rear and front side of the mixer (2 for each)
• Rear and front side of the paddle (1 for each)
Replace the oil seal according to the procedure
below.
(1) Insert the fine screwdriver or the like into the
inside of the oil seal, and then take out the oil
seal by hooking it out.
(2) Make sure of the direction of the new oil seal
and push it in parallel to the frame, bushing
or the like. (See the figure on the right.)
(3) Apply the grease (Alvania No. 2; approx. 2
grains of rice) all around the inside diameter
of the oil seal.
Wipe off the grease which has run off to the
inner side of the oil seal.
Fig. 4-232
(1) Take off the rear cover.
( P.4-5 "4.1.13 Rear cover")
(2) Take off the SYS board case.
( P.9-1 "9.1.1 SYS board cover")
(3) Remove 3 screws to take off the flywheel.
(4) Disconnect 1 connector, remove 3 screws
and then take off the developer unit motor
with bracket.
(5) Remove 2 screws to take off the motor from
the bracket.
Fig. 4-233
Outside
Inside
Grease
Oil seal
Developer unit motor Connector
Screw
ScrewScrew
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