Toshiba e-STUDIO556 Service Manual page 263

Multifunctional digital systems

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Procedure for replacing an oil seal

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

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.

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.)

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.

Developer unit motor (M10)

Take off the rear cover.

( P.4-5 "4.1.13 Rear cover")

Take off the SYS board case.

( P.9-5 "9.1.5 SYS board case")

Remove 3 screws to take off the flywheel.

Disconnect 1 connector, remove 3 screws

and then take off the developer unit motor

with bracket.

Remove 2 screws to take off the motor from

the bracket.

Developer unit motor

e-STUDIO556/656/756/856/557/657/757/857

DISASSEMBLY AND REPLACEMENT