Page 1
MODIFICATION BULLETIN NO.   1   PAGE 1 OF 2
ISSUED ON: November 15, ’95  
Model  PS270 / 280 / 290   Volt/Hz
Modified Article  Interface Board 
Reason for 
To meet the CE Mark standards.
Modification
Inter-
Old P/N  New P/N  Description  Q’ty Used
A5495100  A5495103  Interface Board (A549) 
A5505100  A5505103  Interface Board (A550) 
A5535100  A5535103  Interface Board (A553)
1 →  1 
1 →  1 
1 →  1
change-
ability
X/O  3  7 (PS280) 
X/O  3  7 (PS290) 
X/O  30  7 (PS270)
Note: In markets oth er than Europe, the int erch an ge ab ility is O/O.
Date of
Modification 
Parts Catalog
Index No.  Page
Serial Number
M. Iwasa, Manager 
Technical Support Department
Page 2
MODIFICATION BULLETIN NO.  1     PAGE 2 OF 2
V/Hz  DESTINATION  CODE  SERIAL NUMBER
MODEL NAME
PS 290  115/60  USA, Canada  A549-15  3A15070001
PS 290
115/60
220, 240/50
Whole World  A549-17  A3775070001
PS 290
115/60
220, 240/50
Whole World  A549-22  887508XXXX
PS 290  220, 240/50  Europe  A549-26  3G40750001 
PS 280  115/60  USA, Canada  A550-15  2A95070001
PS 280
115/60
220, 240/50
Whole World  A550-17  A3785070001
PS 280
115/60
220, 240/50
Whole World  A550-22  8865070001
PS 280  220, 240/50  Europe  A550-26  3G50750001 
PS 270  115/60  USA, Canada  A553-15  2A85070001
PS 270
115/60
220, 240/50
Whole World  A553-17  A3795070001
PS 270
115/60
220, 240/50
Whole World  A553-22  8855070001
PS 270  220, 240/50  Europe  A553-26  3G60750001
ISSUED ON: November 15, ’95  
Page 3
MODIFICATION BULLETIN NO.   2   PAGE 1 OF 2
ISSUED ON: September 15, ’96 
Model  PS270 / 280 / 290   Volt/Hz
Modified Article  Rear Cover 
Reason for 
Modification
Old P/N  New P/N  Description  Q’ty Used
A549 1227  A549 1229  Rear Cover 
A549 1272  A549 2373  Rear Cover 
A549 1276  A549 1266
To ensure the grounding of the rear cover, two screw holes have been added 
at the bottom of the rear cover and a grounding plate has been added to the 
Upper Rear Cover Holder.
Inter-
change-
ability
X/X  27  3  PS280 / 290 
X/X  7  3  PS270 
X/O  1  7
Upper Rear Cover Holder
1 →  1 
1 →  1 
2 →  2
Parts Catalog
Index No.  Page
Date of
Modification 
Serial Number
The interchangeability of old the both and new rear covers is X/X, because the bracket for the screw  s that secure the rear 
cover at the bottom has also been added to the base plate of the machine. The base plate is not a s  ervice part. 
T. Inoue, General Manager 
1st Field Information Dept. QAC
Page 4
MODIFICATION BULLETIN NO.   2    PAGE 2 OF 2
ISSUED ON: September 15, ’96  
MODEL NAME
PS 290  115/60  USA, Canada  A549-15  3A16070001
PS 290
PS 290
PS 290  220, 240/50  Europe  A549-26  3G40760001 
PS 280  115/60  USA, Canada  A550-15  2A96070001
PS 280
PS 280
PS 280  220, 240/50  Europe  A550-26  3G50560001 
PS 270  115/60  USA, Canada  A553-15  2A86070001
PS 270
V/Hz  DESTINATION  CODE  SERIAL NUMBER
115/60
220, 240/50
115/60
220, 240/50
115/60
220, 240/50
115/60
220, 240/50
115/60
220, 240/50
Whole World  A549-17  A3776050001
Whole World  A549-22  8876050001
Whole World  A550-17
Whole World  A550-22  8866050001
Whole World  A553-17  A3796060001
PS 270
PS 270  220, 240/50  Europe  A553-26  3G60760001
115/60
220, 240/50
Whole World  A553-22
8856050001
Page 5
MODIFICATION BULLETIN NO.   3   PAGE 1 OF 1
ISSUED ON: September 30, ’96 
Model  PS280 / 290   Volt/Hz
Modified Article  Parts Catalog  No serial number cut-in information. 
Reason for 
Modification
The Front Right Bracket and the knob screw for the bracket are missing in 
the PS280 / 290 parts catalog.
Date of
Modification 
Serial Number
Please add these numbers to your parts catalog.
New P/N  Description  Q’ty Used
A549 6101  Front Right Bracket 
A549 6102  Knob Screw
42
43
0 →  1 
0 →  1
Inter-
change-
ability
-------  42  3
-------  43  3
Index No.  Page
Parts Catalog
T. Inoue, General Manager 
1st Field Information Dept. QAC
Page 6
MODIFICATION BULLETIN NO.    4  PAGE 1 OF 1
ISSUED ON: October 31, ’96 
Model  PS280/290   Volt/Hz
Modified Article  Universal Tray  No serial number cut-in information 
Reason for 
Parts standardization with other models.
Modification
Inter-
Old P/N  New P/N  Description  Q’ty Used
A134 2951  A134 2952  Universal Tray
1 →  1
change-
ability
O/O  13  11
Index No.  Page
Date of
Modification 
Parts Catalog
Serial Number
T. Inoue, General Manager 
1st Field Information Dept. QAC
Page 7
MODIFICATION BULLETIN NO.   5   PAGE 1 OF 2
ISSUED ON: October 31, ’96 
Model  PS270 / 280 / 290   Volt/Hz
Modified Article  Tray Side Fences 
Reason for 
The material of the side fences has been changed to improve durability.
Modification
Inter-
Old P/N  New P/N  Description  Q’ty Used
AF01 6070  AF01 6080  Front Side Fence 
AF01 6071  AF01 6081
Rear Side Fence
1 →  1 
1 →  1
change-
ability
X/X  3  11 
X/X  11  11
The interchangeability as a set is X/O.
Date of
Modification 
Parts Catalog
Index No.  Page
Serial Number
T. Inoue, General Manager 
 QAC 1st Field Information Dept.
Page 8
MODIFICATION BULLETIN NO.   5    PAGE 2 OF 2
ISSUED ON: October 31, ’96   
MODEL NAME
PS 290  115/60  USA, Canada  A549-15  3A1602XXXX
PS 290
PS 290
PS 290  220, 240/50  Europe  A549-26  3G4026XXXX 
PS 280  115/60  USA, Canada  A550-15  2A9602XXXX
PS 280
PS 280
PS 280  220, 240/50  Europe  A550-26  3G5026XXXX 
PS 270  115/60  USA, Canada  A553-15  2A8602XXXX
PS 270
V/Hz  DESTINATION  CODE  SERIAL NUMBER
115/60
220, 240/50
115/60
220, 240/50
115/60
220, 240/50
115/60
220, 240/50
115/60
220, 240/50
Whole World  A549-17  A377602XXXX
Whole World  A549-22  887602XXXX
Whole World  A550-17  A378602XXXX
Whole World  A550-22  886602XXXX
Whole World  A553-17
A379602XXXX
PS 270
PS 270  220, 240/50  Europe  A553-26  3G6026XXXX
115/60
220, 240/50
Whole World  A553-22
885602XXXX
Page 9
MODIFICATION BULLETIN NO.  6    PAGE 1 OF 1
ISSUED ON: October 31, ’96 
Model  PS280 / 290   Volt/Hz
Modified Article  Paper Talon  No serial number cut-in information 
The Paper Talon has been added on the paper tray to prevent SC codes
Reason for 
Modification
Old P/N  New P/N  Description  Q’ty Used
E501 - E506 when paper falls to the rear side of the tray and blocks the lift 
mechanism. 
The tray # A134 2953 is the tray with the Paper Talon. 
Part numbers have been assigned for the Paper Tray and the Paper Talon.
A134 2953  Paper Tray 
A134 2960
Paper Talon
0 →  1 
0 →  1
Inter-
change-
ability
-----  18  11
-----  19  11
Index No.  Page
Date of
Modification 
Parts Catalog
Serial Number
Paper Tray
Paper Talon : A134 2960
T. Inoue, General Manager 
 QAC 1st Field Information Dept.