Toshiba e-STUDIO281c Service Handbook page 324

(4) Loosen 2 doctor blade fixing screws. Insert
the gauge "0.55" of the doctor sleeve jig
between the developer sleeve and doctor
blade to adjust the gap, and tighten the
screws.
(5) Insert the gauge "0.50" of the doctor-sleeve
jig into the gap between the developer
sleeve and doctor blade and make sure that
the gauge can move smoothly in the front/
rear direction. In addition, confirm that the
gauge "0.60" cannot be inserted into the gap.
Notes:
1. When confirming and adjusting the gap between the developer sleeve and the doctor blade,
insert the gauges into the gap after rotating the developer sleeve so that its marking faces the
doctor blade.
2. While reattaching the black developer unit cover, set the latches securely.
e-STUDIO281c/351c/451c
ADJUSTMENT
Developer sleeve
Doctor-sleeve
jig
Doctor blade
Doctor-sleeve
jig
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Screw
Fig. 3-30
Developer sleeve
Doctor blade
Fig. 3-31