MODIFICATION BULLETIN NO. 1 PAGE 1 OF 2
ISSUED ON: October 31, ’93
Model RDH for F410 Volt/Hz
Modified Article Parts Catalog
Reason for
Parts catalog correction
Modification
Modification
Could you please correct your pa rts cat alo g as fo llows:
Incorrect P/N Correct P/N Description Q’ty Used
A4991224 A3781226 Inner Separation Guide 1 8 5
A4991738 A3781728 Inverter Sensor Cover 1 20 13
Page 12
15
Index No. Page
Parts Catalog
* Index No. 14 P/N A4991721
This part number is not changed.
Date of
Serial Number
14
20
15
20
A4991738 → A3781728
S. Hamano, Assistant General Manager
Technical Support Department
MODIFICATION BULLETIN NO. 1 PAGE 2 OF 2
V/Hz DESTINATION
JAPAN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60 U.S.A. , Canada A378 - 10
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15
Ricoh DH400 120/60 U.S.A. A378 - 17
NRG CRDH55 230/50 Europe etc. A378 - 22
Infotec DH III 230/50 Europe A378 - 26
Ricoh DH400 230/50 Europe etc. A378 - 27
ISSUED ON: October 31, ’93
MODIFICATION BULLETIN NO. 2 PAGE 1 OF 2
ISSUED ON: November 30, ’93
Model RDH for F400 Volt/Hz
Modified Article Parts Catalog
Reason for
Parts catalog correction
Modification
Please correct your parts catalo g as follows:
Incorrect P/N Correct P/N Description Q’ty Used
AF023001 Belt Support Roller
41211
A3781564 Belt Pressure Roller
Date of
Modification
Parts Catalog
Index No. Page
Serial Number
S. Hamano, Assistant General Manager
Technical Support Department
MODIFICATION BULLETIN NO. 2 PAGE 2 OF 2
V/Hz DESTINATION
JAPN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15
Ricoh DH400 120/60 U.S.A. A378 - 17
NRG CRDH55 230/50 Europe etc. A378 - 22
Infotec DH III 230/50 Europe A378 - 26
Ricoh DH400 230/50 Europe etc. A378 - 27
ISSUED ON:November 30, ’93
S. Hamano, Assistant General Manager
Technical Support Department
* New Index No.
MODIFICATION BULLETIN NO. 3 PAGE 1 OF 2
ISSUED ON: February 15, ’94
Model RDH for F410 Volt/Hz
Modified Article Parts Catalog
Reason for
Parts catalog correction
Modification
Please correct your parts catalog as follows:
Parts Catalog
New P/N Description Q’ty Used
Index No. Page
Incorrect A4992338 Antistatic Brush Plate 1 1 17
1
1
26
Date of
Modification
Serial Number
MODIFICATION BULLETIN NO. 3 PAGE 2 OF 2
V/Hz DESTINATION
JAPN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15
Ricoh DH400 120/60 U.S.A. A378 - 17
NRG CRDH55 230/50 Europe etc. A378 - 22
Infotec DH III 230/50 Europe A378 - 26
Ricoh DH400 230/50 Europe etc. A378 - 27
ISSUED ON: February 15, ’94
MODIFICATION BULLETIN NO. 4 PAGE 1 OF 2
ISSUED ON: March 15, ’94
Model RDH for F410 Volt/Hz
Modified Article Feed Roller Drive Gear / Shaft
Reason for
To improve durability
Modification
To improve durability, the material of the following parts ha ve been chan ged.
Inter-
Old P/N New P/N Description Q’ty Used
A4991433 Shaft - Roller Clutch - Z20
A3781433 Shaft - Roller Clutch - Z18
A3781093 A3781097 Gear - 18Z
1 → 0
0 → 1
1 → 1
change-
ability
X/
/O
X/O 8 23
Date of
Modification
Parts Catalog
Index No. Page
423
Serial Number
S. Hamano, Assistant General Manager
Technical Support Department
MODIFICATION BULLETIN NO. 4 PAGE 2 OF 2
JAPAN PRODUCTION
ISSUED ON: March 15, ’94
MODEL NAME
NRG CRDH55 120/60
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15 4143120001
Ricoh DH400 120/60 U.S.A. A378 - 17 A3403120001
NRG CRDH55 230/50 Europe etc. A378 - 22 5343120001
Infotec DH III 230/50 Europe A378 - 26 3E01230001
Ricoh DH400 230/50 Europe etc. A378 - 27 A3403120109
V/Hz DESTINATION
U.S.A. , Canada
etc.
CODE SERIAL NUMBER
A378 - 10 5393120001
MODIFICATION BULLETIN NO. 5 PAGE 1 OF 2
Reissued on: September 15, ’95
ISSUED ON: November 30, ’94
Model RDH for F410 / 420 Volt/Hz
Modified Article Idle Roller Arm
Reason for
To prevent incorrect original size detection
Modification
To prevent incorrect original size de te ctio n, the shape of the idle roller has been chan ged.
For details, please refer to F400 RTB - 019.
Inter-
Old P/N New P/N Description Q’ty Used
A4991361 Bracket - Idle Roller Arm
A4991365 Idle Roller Arm
07200030E Retaining - M3
A3781397 Idle Roller Arm - 4pcs / set
4 → 0
4 → 0
n → n-4
0 → 1
change-
ability
X/O * 25 9
Date of
Modification
Parts Catalog
Index No. Page
19 9
20 9
103 9
* New index number
Serial Number
# 25
Idle Roller Arm - 4 pcs / set
M. Iwasa, Manager
Technical Support Department
MODIFICATION BULLETIN NO. 5 PAGE 2 OF 2
Reissued on: September 15, ’95
ISSUED ON: November 30, ’94
V/Hz DESTINATION
JAPAN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10 5393120001
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15 4143120001
Ricoh DH400 120/60 U.S.A. A378 - 17 From 1st Production
NRG CRDH55 230/50 Europe etc. A378 - 22 5343120001
Infotec DH III 230/50 Europe A378 - 26 3E01230001
Ricoh DH400 230/50 Europe etc. A378 - 27 A3403120109
MODIFICATION BULLETIN NO. 6 PAGE 1 OF 2
Guide Plate
ISSUED ON: November 30, ’94
Model RDH for F410 / 420 Volt/Hz
Modified Article Exit Guide Plate
Reason for
To facilitate manufacturing
Modification
Date of
Modification
To facilitate manufacturing , th e sha pe of th e guide plat e has bee n cha nged and the guid e mylar has bee n removed.
Old P/N New P/N Description Q’ty Used
A4992198 Inverter Guide Plate
A3782198 Exit Guide Plate
1 → 0
0 → 1
Inter-
change-
ability
X/O 4 15
Parts Catalog
Index No. Page
Guide Mylar
Serial Number
Guide Plate
Old
New
S. Hamano, Assistant General Manager
Technical Support Department
MODIFICATION BULLETIN NO. 6 PAGE 2 OF 2
V/Hz DESTINATION
JAPAN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10 5394070001
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15 4144070001
Ricoh DH400 120/60 U.S.A. A378 - 17 A3404040001
NRG CRDH55 230/50 Europe etc. A378 - 22 5344040001
Infotec DH III 230/50 Europe A378 - 26 3E00440001
Ricoh DH400 230/50 Europe etc. A378 - 27 A3404040103
ISSUED ON: November 30, ’94
MODIFICATION BULLETIN NO. 7 PAGE 1 OF 3
ISSUED ON: December 31, ’94
Model RDH for F410 / 420 Volt/Hz
Modified Article Bushing - 4 mm
Reason for
To improve durability
Modification
Inter-
Old P/N New P/N Description Q’ty Used
A4991616 Bushing - 4 mm
A3781616 Pressure Roller Busing
8 → 2
0 → 6
change-
ability
X/ 5 11
/O * 33 11
To improve durability, th e shape of the bushings have been chan ge d as sho wn.
Date of
Modification
Parts Catalog
Index No. Page
* New Index
Serial Number
Old
New
MODIFICATION BULLETIN NO. 7 PAGE 2 OF 3
#5 → #33
DETAILS OF MODIFICATION
Page 10
#5 → #33
#5 → #33
ISSUED ON: December 31, ’94
#5 → #33
#5 → #33
#5 → #33
S. Hamano, Assistant General Man ag er
Technical Support Department
MODIFICATION BULLETIN NO. 7 PAGE 3 OF 3
V/Hz DESTINATION
JAPAN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10 5394020001
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15 4144070001
Ricoh DH400 120/60 U.S.A. A378 - 17 A3404020001
NRG CRDH55 230/50 Europe etc. A378 - 22 5344020001
Infotec DH III 230/50 Europe A378 - 26 3E00240001
Ricoh DH400 230/50 Europe etc. A378 - 27 A3404020105
ISSUED ON: December 31, ’94
MODIFICATION BULLETIN NO. 8 PAGE 1 OF 3
Reissued on: March 31, ’95
ISSUED ON: March 15, ’95
Model RDH for F410 / 420 Volt/Hz
Modified Article Decal - Side Fence etc.
Reason for
To ensure that the exit unit is positioned correctly
Modification
Draw
No.
Old Parts
No.
A3786050 A3786056 Decal - Side Fence (Ricoh)
A3786051 A3786057 Decal - Side Fence (NRG)
A3786052 A3786058 Decal - Side Fence (Savin)
A3786053 A3786059 Decal - Side Fence (Infotec)
A3786016 A3786036 Decal - Exit (Ricoh)
A3786017 A3786037 Decal - Exit (NRG)
New Parts
No.
Description Rank
Q’ty Used
Old→New
1 → 1
1 → 1
1 → 1
1 → 1
1 → 1
1 → 1
Date of
Modification
Inter-
change-
ability
X/O 1 25
X/O 1 25
X/O 1 25
X/O 1 25
X/O 10 25
X/O 10 25
Parts needed for replacement by new part
Part No. Description No. Page
Serial
Number
Parts
Catalog
A3786018 A3786038 Decal - Exit (Savin)
A3786019 A3786039 Decal - Exit (Infotec)
Rank: A : Replace with new parts immediately. B : Replace with new parts at time of repair. C : Replace with new parts at time of overhaul.
Interchangeability:
(1) When old and new parts are not mutually interchangeable, use additional parts or an assembly part as indicated in "Parts needed for
replacement by new part" to install the new part.
(2) The mark to the left of the slash indicates whether the old part can be used in the new machine, and the mark to the right indicates whether
the new part can be used in the old machine. x = Not interchangeable o = Interchangeable
1 → 1
1 → 1
X/O 10 25
X/O 10 25
MODIFICATION BULLETIN NO. 8 PAGE 2 OF 3
Reissued on: March 31, ’95
ISSUED ON: March 15, ’95
DETAILS OF MODIFICATION
If the user does not adjust the exit unit positio n corre ctly, a jam or an orig ina l orde r mix-u p may occu r. A large arrow
has been added to the side fe nce decal and the alignment line s on th e exit decal have been enlarged as an
enhanced instruction to use rs.
Decal - Side
Fence
Decal - Exit
Old
New
S. Hamano, Assistant General Manager
Technical Support Department
MODIFICATION BULLETIN NO. 8 PAGE 3 OF 3
V/Hz DESTINATION
JAPAN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10 5395010001
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15 4145010001
Ricoh DH400 120/60 U.S.A. A378 - 17 A3405010001
NRG CRDH55 230/50 Europe etc. A378 - 22 5345010001
Infotec DH III 230/50 Europe A378 - 26 3E00150001
Ricoh DH400 230/50 Europe etc. A378 - 27 A3405010051
Reissued on: March 31, ’95
ISSUED ON: March 15, ’95
MODIFICATION BULLETIN NO. 9 PAGE 1 OF 2
ISSUED ON: December 15, ’95
Model RDH for F410 / 420 Volt/Hz
Modified Article Right Cover
Reason for
Parts Catalog Correction
Modification
The following mistakes have been fourd in the Parts Catalog.
Please update your Parts Catalog.
Inter-
Incorrect P/N Correct P/N Description Q’ty Used
A3782416 A4992413 Right Table - SVN
A3782416 A3782417 Right Table - NRG
A3782416 A4992415 Right Table - INF
1 → 1
1 → 1
1 → 1
change-
ability
O/O 14 19
O/O 14 19
O/O 14 19
Date of
Modification
Parts Catalog
Index No. Page
Serial Number
M. Iwasa, Manager
Technical Support Department
MODIFICATION BULLETIN NO. 9 PAGE 2 OF 2
V/Hz DESTINATION
JAPAN PRODUCTION
MODEL NAME
CODE SERIAL NUMBER
NRG CRDH55 120/60
U.S.A. , Canada
etc.
A378 - 10 539
Savin 9550/9650 RDF 120/60 U.S.A. A378 - 15 414
Ricoh DH400 120/60 U.S.A. A378 - 17 A340
NRG CRDH55 230/50 Europe etc. A378 - 22 534
Infotec DH III 230/50 Europe A378 - 26 3E0
Ricoh DH400 230/50 Europe etc. A378 - 27 A340
ISSUED ON: December 15, 95
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