Ricoh 152245 Bedienungsanleitung

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Seitenansicht 0
(12)
United
States
Patent
US006917775B2
(10)
Patent
N0.:
US
6,917,775
B2
Nakazato
et
al.
(45)
Date
of
Patent:
Jul.
12,
2005
(54)
DISMOUNTABLE
IMAGE
FORMING
(56)
References Cited
CARTRIDGE,
AND
A
CORRESPONDING
U'S~
PATENT
DOCUMENTS
IMAGE
FORMING
APPARATUS
AND
METHOD
5,208,640
A
5/1993
Horie
et
al.
5,752,137
A
5/1998
Haneda
5,787,324
A
7/1998
Iwasakii
(75)
Inventors:
Yasushi
Nakazato,
Tokyo
(JP);
(Continued)
Kazuyuki
Shimada,
Tokyo
(JP);
Tomohiro
Nakajima,
Tokyo
(JP)
FOREIGN
PATENT
DOCUMENTS
JP
01-155366
6/1989
(73)
Assignee:
Ricoh
Company,
Ltd.,
Tokyo
(JP)
JP
03-275376
12/1991
JP
07-230197
8/1995
(
*
)
Notice:
Subject
to
any
disclaimer,
the
term
of
this
JP
08-339110
12/1996
patent
is
extended
or
adjusted
under
35
JP
09441972
6/1997
U.S.C.
154(b)
by
0
days.
JP
19026864
1/1998
JP
10-078737
3/1998
JP
11-084883
3/1999
(21)
APPI-
NO-I
Ill/632,191
JP
11242370
9/1999
(22)
Filed:
Oct.
10,
2003
JP
2000035702
20000
OTHER
PUBLICATIONS
(65)
Prior
Publication
Data
US
2004/0076449
A1
Apr.
22,
2004
Related
US.
Application
Data
(62)
Division
of
application
No.
10/426,871,
?led
on
May
1,
2003,
now
Pat.
No.
6,760,557,
which
is
a
division
of
application
No.
10/160,066,
?led
on
Jun.
4,
2002,
now
Pat.
No.
6,580,887,
which
is
a
continuation
of
application
No.
09/805,246,
?led
on
Mar.
14,
2001,
now
Pat.
No.
6,400,917,
which
is
a
division
of
application
No.
09/305,275,
?led
on
May
5,
1999,
now
Pat.
No.
6,236,820.
(30)
Foreign
Application
Priority
Data
May
7,
1998
(JP)
.........................................
..
10-124640
May
12,1998
(JP)
10-128728
Apr.
7,
1999
(JP)
.........................................
..
11-099724
(51)
Int.
Cl.7
..............................................
..
G03G
21/18
(52)
us.
Cl.
.....................
..
399/112; 347/152;
399/121;
399/124
(58)
Field
of
Search
.......................
..
399/110—112,
118,
399/121,
124, 125;
347/138,
152,
245,
263, 232,
257
US.
Appl.
No.
10/426,871,
?led
May
1,
2003,
NakaZato
et
al
US.
Appl.
No.
10/463,516,
?led
Jun.
18,
2003,
NakaZato
et
al.
US.
Appl.
No.
10/682,189,
?led
Oct.
10,
2003,
NakaZato
et
al.
Primary
Examiner—Susan
Lee
(74)
Attorney,
Agent, or
F
irm—Oblon,
Spivak,
McClelland,
Maier
&
Neustadt,
PC.
(57)
ABSTRACT
An
image
forming
apparatus
including
a plurality
of
image
forming
cartridges
arranged
one above
another
and
con?g
ured
to
form
an
image
on
a
medium.
The
apparatus
also
from
include
a
transfer
belt
support
unit,
including
a
transfer
belt,
hingedly
attached
to
the
image
forming
apparatus
at
a
lower
end
position
of
the
transfer
belt
support
unit
and
movable
between
a
?rst
position
covering
the
plurality
of
the
image
cartridges
and
a
second
position
uncovering
the
plurality
of
the
image
forming
cartridges.
Each
of
the
image
forming
cartridges
is
con?gured
to
be
mounted
to
or
dismounted
the
image
forming
apparatus
when
the
transfer
belt
support
unit
is
in
the
second
position.
34
Claims,
36
Drawing
Sheets
Seitenansicht 0
1 2 3 4 5 6 ... 51 52

Inhaltsverzeichnis

Seite 1 - Shimada

(12) United States Patent US006917775B2 (10) Patent N0.: US 6,917,775 B2 Nakazato et al. (45) Date of Patent: Jul. 12, 2005 (54) DISMOUNTABLE IMAGE FO

Seite 3

U.S. Patent Jul. 12,2005 Sheet 9 0f 36 US 6,917,775 B2 Fig.1] 22e Pl 22b 22d 202 328C 202 328M ' 202 328Y K O 3 3 3306 220 330M 33OY 22f Fig/2 20

Seite 4 - 322.2302

U.S. Patent 3 30C 220 330M Jul. 12, 2005 Sheet 10 0f 36 Fig. 13 28OU 280 280 28a 2800 28OU 28 D .2 US 6,917,775 B2

Seite 9 - 3OI300)

U.S. Patent Jul. 12,2005 Sheet 15 0f 36 US 6,917,775 B2 SCANNING Fig. 24 H‘ ‘K SUB SCANNING ,, M . M - - -

Seite 10

U.S. Patent Jul. 12,2005 Sheet 16 0f 36 US 6,917,775 B2

Seite 11

U.S. Patent Jul. 12, 2005 Sheet 17 0f 36 Lb IO4Y u . o ‘ EGAN EDQQ? / 1 US 6,917,775 B2 22

Seite 12 - 6,917,775

US 6,917,775 B2 Page 2 US. PATENT DOCUMENTS 6,236,820 B1 5/2001 Nakazato et a1. _ 6,249,305 B1 6/2001 Miyamoto et 211. 5,842,095 A 11/1998 Kltamum 6,4

Seite 13

U.S. Patent Jul. 12, 2005 Sheet 18 0f 36 7. 7 7 US 6,917,775 B2

Seite 34

U.S. Patent Jul. 12,2005 Sheet 2 0f 36 US 6,917,775 B2 OZFZDOEmE @ 322.2302 cw.- 5) 29.. 2Q) UNN

Seite 49

U.S. Patent Jul. 12,2005 Sheet 4 0f 36 US 6,917,775 B2 @ZFZDOEQQ .@ 02.24302 QNN (w x9 Y0» Ill‘ 2 _ MUG E 740 Um 3mm mm . Q2

Seite 50

U.S. Patent Jul. 12,2005 Sheet 5 0f 36 US 6,917,775 B2 UZE-ZDOEWE .w QZFZDOE 3Q) . \(1 éNN on J 1 >__ “w mm ‘o (N ADJ >O_ ‘lo I 5 ‘an! 4. _ . .

Seite 51

U.S. Patent Jul. 12,2005 Sheet 6 0f 36 US 6,917,775 B2 i Q F i g. 6 280(2800) MOUNTING 8 DISMOUNTING

Seite 52

U.S. Patent Jul. 12,2005 Sheet 7 0f 36 US 6,917,775 B2 Fig.8 3OI300)

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