Toshiba f99a490 Service Note
BSI(Service Note) TOSHIBA
TOSHIBA TEC CORPORATION
2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN
BSI No
F99A490
SUBJECT
Change of Hopper Unit
MODEL
CATEGORY
Communalizing and
Standardizing, To improve the
reliability
UH810736
CONTENT
The hopper unit has been changed to effect the following improvement.
FC70
FIELD APPLICATION
Others
FACTORY APPLICATION
Agitator inside the hopper (Refer to No.02 ~ 21)1.
Toner seal (Refer to No. 22 ~ 25)2.
Countermeasure to toner dropping in the toner supply orifice (Refer to No.15, 26)3.
Using parts in common (Refer to No. 27,28) 4.
Date
UNIT
Developer
99/01/27
----
[Changed/Added Part No.]
Refer to
No.
1 11-27 4402404260
2 11-30 ---------- 4402429750
3 11-40 ---------- 4402429760
4 11-35 ---------- 4402412010
5 11-36 ---------- 4402412020
6 11-37 ---------- 4402411810
7 11-38 ---------- 4402411840
8 11-39 ---------- 4402429770
9 11-31 ---------- 4402429780
10 13-46 ---------- 4402429790
11 13-47 ---------- 4402429800
12 11-20 4402411830
13 11-26 4402411820
14 11-28 4402411850
P-I Before Change After Change Note P I R FAA
4402429740
HOPPER UNIT
POLYESTER FILM
POLYESTER FILM
POLYESTER FILM
HOPPER UNIT
SHAFT
PRESSURE SPRING
HOLDER
WASHER
SPONGE
BUSHING
POLYESTER FILM
GEAR 46T
GEAR 26T
GEAR 26T
4402429810
POLYESTER FILM
<---- Q'ty changed
---------- Elimination B - D -
---- C B D Y
Addition A - D Y
Addition A - D Y
Addition A - D Y
Addition A - D Y
Addition A - D Y
Addition A - D Y
Addition
Refer to figure 1
Addition A - D Y
Addition A - D Y
Addition A - D Y
---- C D D Y
1 piece added
A - D Y
D - D Y
BSI No. F99A490 Page 2
15 11-18 4402412580
HOPPER HOUSING
16 11-25 4402412030
COVER
17 12-32 4402412120
POLYESTER FILM
18 11-21 4402412190
COVER
19 11-34 ---------- 4402429870
20 11-32 ---------- 4402429880
21 11-33 ---------- 4402429890
22 11-1 4402412170
SPONGE
23 11-42 ---------- 4402429910
24 11-43 ---------- 4402429920
25 11-41 ---------- 4402429930
26 11-10 4402411760
BRACKET
27 11-22 4402415000
LABEL
28 11-22 4402415010
LABEL TONER REP
P-I: Page-Item P: Contents of Change I: Interchangeability R: Reasons for Change
4402429830
HOPPER HOUSING
4402429840
COVER
4402429770
POLYESTER FILM
4402429860
COVER
SEAL
HANDLE
BRACKET
4402429900
SPONGE
POLYESTER FILM
POLYESTER FILM
POLYESTER FILM
4402429940
BRACKET
4402429950
LABEL TONER REP
---- C D D Y
---- C D D Y
Common to No.8
Refer to figure 1
---- C D D Y
Addition A - D Y
Addition A - D Y
Addition A - D Y
---- C B D Y
Addition A - D Y
Addition A - D Y
Addition A - D Y
---- C D D Y
Change to common
part for Japan and
overseas
Refer to figure 2
C B D Y
C E F -
Fig. 1
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