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                           IBM ECA
              Engineering Change Announcement

Parts removed from this machine and returned to IBM must be genuine,
                      unaltered IBM Parts

         IBM World Trade Corporation, CE Department Germany
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 EC NUMBER         :  EC341354B    DATE             : 89-05-23
 MANDATORY         :  N
 AUTOMATIC SHIPMENT:  N            SERVICE CODE     : 33
 PARTS SOURCE      :  FUJI         AVAILABILITY DATE: 88/03

 ABSTRACT:  MICRO CODE VERSION 1.03
                                                                                
 PURPOSE:                                                                       
 THIS ECA IS RELEASED FOR JAPAN USE ONLY.                                       
 FOR ALL MODEL:                                                                 
 TO PROVIDE THE FOLLOWING NEW FUNCTIONS BY SETTING DIP SWITCHS.                 
 TEST PRINT - ONLY THE FIRST CHARACTOR IS PRINTED AT TEST PRINT.                
 NORMAL PRINT - SELECTABLE CARRIER MOTION AS FOLLOWS                            
                PREVENT LEFT-RIGHT SHAKING MACHINE MOVEMENT                     
                BY QUIET PRINT MODE OR                                          
                QUIET PRINT MODE OFF.                                           
 FOR B01 MODEL THE FOLLOWING PURPOSE IS ALSO INCLUDED.                          
 TO PREVENT CARRIER STOP PROBLEM ON A CERTAIN PRINT PATTERN SUCH                
 AS VERTICAL RULE LINE PRINT, OR ON A CERTAIN CARRIER MOVEMENT                  
 FROM THE LEFT MOST TO THE RIGHT MOST REPEATEDLY.                               
                                                                                

 Type            Machines Affected                              
 Mod. With       and/or Feature/Device     B/M to be  Serv Syst 
 Stg. B/M        Description               Installed  Hour Hour 

 Plant 97                                                       

 B01             S/N 9700001 - 9714514     B/M94X4486 00.5 00.0 
 F01             S/N 9700001 - 9714514     B/M94X4532 00.5 00.0 

                                                                                
 PHYSICAL CHECK:                                                                
 CHECK THE I/F CARD E/C LEVEL, IF IT IS                                         
 E/C 341262 OR 341349 OR 341351, E/C IS NOT INSTALLED.                          
 IF IT IS E/C 341354, E/C IS ALREADY INSTALLED.                                 
                                                                                
 PREREQUISITES: NONE                                                            
                                                                                
 COMPANION: NONE                                                                
                                                                                
 CONCURRENT: NONE                                                               
                                                                                
 DETAIL:                                                                        
 REPLACE TWO P-ROM ON THE I/F CARD.                                             
 THE FUNCTION AS FOLLOWS CAN BE SELECT. WHEN THE DIP SWITCH ON
 THE MAIN CARD IS ON.                                                           
        ONLY THE FIRST CHARACTER IS PRINTED AT TEST PRINT.                      
        THE THROUGH PUT INCREASED BY FAST CARRIER MOTION.                       
 THE VIBRATION CAN BE REDUCED AT CARRIER MOTION.                                
                                                                                
 CAUTION:                                                                       
 PRINT SPEED CAN BE REDUCED BY SETTING QUIET MODE ON DEPENDING                  
 ON ITS PRINT PATTERN, OBTAIN A CUSTOMER CONSENT WHEN YOU SET IT                
 ON.                                                                            
 NOTES:                                                                         
 THIS ECA SUPERSEDE ECA001 FOR MODEL B01 CARRIER STOP ERROR.                    
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