
MODIFICATION BULLETIN NO. 1 PAGE 1 OF 2
ISSUED ON: January 31, ’94
Model Duplex Unit for Pigeon Volt/Hz
Modified Article Parts Catalog
Reason for
Parts catalog correction
Modification
Please correct your parts catalog as follows:
Incorrect P/N Correct P/N Description
Index No. Page
A4914789 A4914788 Inverter Guide Plate 10 5
Parts Catalog
Date of
Modification
Serial Number
S. Hamano, Assistant General Manager
Technical Support Department

MODIFICATION BULLETIN NO. 1 PAGE 2 OF 2
MODEL NAME V/Hz DESTINATION SERIAL NUMBER
Nashuatec/Gestetner CDX20 115/60 Canada, L. America A491-50
ISSUED ON: January 31, ’94
SAVIN 9020/9022
Duplex Unit
Ricoh AD130 115/60 USA, Canada A491-57
Nashuatec/Gestetner CDX20 220,240/50 Europe, etc. A491-62
infotec Auto Duplex Unit 9320 220,240/50 Europe A491-66
Ricoh AD130 220,240/50 Europe, Asia, etc. A491-67
115/60 USA, Canada A491-55

MODIFICATION BULLETIN NO. 2 PAGE 1 OF 2
ISSUED ON: November 30, ’95
Model Duplex Unit for Pigeon Volt/Hz
Modified Article Duplex Control Board
Reason for
To prevent damage of IC705
Modification
Date of
Modification
To prevent damage to IC705, a 10kW resistor has been added in front of IC705 pin no.3 . This problem might happen
if the duplex unit is not properly grounde d to the copie r ma in fra me, and it might cause SC E80 .
Inter-
Old P/N New P/N Description Q’ty Used
A491 5121 A491 5125 Dulpex Control Board 1® 1X/O 1 3
change-
ability
Parts Catalog
Index No. Page
Serial Number
M. Iwasa, Manager
Technical Support Department

MODIFICATION BULLETIN NO. 2 PAGE 2 OF 2
MODEL NAME V/Hz DESTINATION SERIAL NUMBER
Nashuatec/Gestetner CDX20 115/60 Canada, L. America A491-50 2605070001
ISSUED ON: November 30, ’95
SAVIN 9020/9022
Duplex Unit
Ricoh AD130 115/60 USA, Canada A491-57 A3495070001
Nashuatec/Gestetner CDX20 220,240/50 Europe, etc. A491-62 259070001
infotec Auto Duplex Unit
9320
Ricoh AD130 220,240/50 Europe, Asia, etc. A491-67 A3495070321
115/60 USA, Canada A491-55 5115080001
220,240/50 Europe A491-66 –