Ricoh A418 Modification Bulletin DF51

MODIFICATION BULLETIN NO. 30 Page 1 of 3 ISSUED ON: June 30, ’91

Model ARDF for F90/F30/F31/F33/F34 Volt/Hz

Modified Article Right Hinge

Reason for

To correct original skew

Modification

Draw

No.

Old Parts

No.

A4181270 A4181275 Right Hinge 1 - 1 O/O 21 3

New Parts

No.

Description

Date of

Modification

A.B.C.

Rank Part No. Description Index No. Page

Q’ty Used

Old → New

Inter-

change-

ability

Part needed for replacement by new part Parts Catalog

Serial Number

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

DETAILS OF MODIFICATION

A

A >B

MODIFICATION BULLETIN NO. 30 Page 2 of 3 ISSUED ON: June 30, ’91

It was reported by the Japanese field that
originals were sometimes skewed when
delivered to the exposure glass. This happened
only when this ARDF unit was installed on the
F30/31 and F33/34 unit. This is due to the
torsion of the upper cover on which the hinges
are installed. To correct this, position and
direction of the long hole of the right hinge has

B

been changed. The skewed original is
adjustable by changing the position of the
screws for the right hinge.

4.5

Long Holes

29.3

30

4.5

Change

T. Ito, Manager
Copier Technical Support