Toshiba e-STUDIO2330C Service Handbook page 259

* H4: Front shield (unified with the doctor blade)
Cleaning of the doctor blade
Space the front shield from the developer sleeve and then insert a doctor blade cleaning jig into
the doctor sleeve gap. Then clean the doctor blade by running the jig for 3 times to and fro along
with the edge of the blade.
* H6: Oil seal
During replacement, coat the oil seal with grease (Alvania No.2) following the procedure below.
Also, when the developer sleeve or mixer is disassembled, clean the shaft and oil seal before
coating the oil seal with grease.
Developer sleeve
Mixer
(1) Push in a new oil seal parallel to the
mounting hole section of the developer
frame.
* Pay attention to the direction in which
the
oil seal is attached. (See figure on right.)
(2) Apply an even coat of grease to the inside of
the oil seal.
• Amount: a minute amount
(3) Wipe off any grease exuded from the inside.
* H7: Auto-toner sensor
Clean the surface of the auto-toner sensor with a cotton swab or soft cloth with sufficient alcohol
filled in.
© 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved
2
Fig. 5-20
2 pc.
4 pc.
Inside
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
5 - 23
1
Developer frame
Outside
Grease
Oil seal
Fig. 5-21
PREVENTIVE MAINTENANCE (PM)
5