MBF COMPANY CONFIDENTIAL FIELD INFORMATION BULLETIN

SERVICE GROUP(S): MICRO,MINI           MFG: CENTRONICS

 NACS  TYPE(S): 4231,4278              MFG. MODEL(S): 101A

CATEGORY: PRINTER                      DESC: MATRIX SER/PAR

                   *** TABLE OF CONTENTS AS OF 12/20/90 ***
FIB 00001.GENERAL INFORMATION.........................................10/29/86
FIB 00002.PRINTER UPGRAGE FROM 101 TO101A.............................08/20/76


PRINTER-CENTRONICS-101A-----------------------------Table Of Contents Pg01 of 01
FIB 00001                                                             10/29/86

                          *** GENERAL INFORMATION ***                        

  1. SPECIFIC DATA

    A) BASIC FOUR MODEL 3101

    B)  NACS  4231 (PARALLEL) - CENTRONICS 101A
        NACS  4278 (SERIAL) - CENTRONICS  101A ** NOT SUPPORTED ON BB III **

    C) PARTS PREFIX FOR PRINTER IS: MM03____                                 

                        *** AVAILABLE DOCUMENTATION ***

                         B/4 Technical Manual - TM 3000
                         B/4 Logic Diagrams - LD 3000
                S-HDBK-726 Centronics Mod 101 Prtr Tech Manual
                S-HDBK-727 Centronics Mod 101A Prtr Tech Manual

                           *** AVAILABLE TRAINING ***

                  No training available at this present date.                

                              *** SPECIAL TOOLS ***

                   *** SPECIAL ADMINISTRATIVE PROCEEDURES ***

ORIGINATOR: H. MITCHELL


PRINTER-CENTRONICS-101A-----------------------------FIB001 Pg001


FIB 00002                                                             08/20/76

                    *** PRINTER UPGRAGE FROM 101 TO101A ***

  EARLY MODEL PRINTERS (MODEL 101),CAN BE CONVERTED TO USE NEW STYLE ELECTRONIC
BOARDS (USED ON MODEL 101A) BY INSTALLING TWO JUMPER WIRES ON THE MOTHERBOARD. .

     1) REMOVE ELECTRONICS CAVITY TO EXPOSE UNDERSIDE OF THE MOTHERBOARD.

     2) INSTALL JUMPER WIRES:

         A. FROM J6-E TO J7-6
         B. FROM J6-L TO J7-5

     3) INSTALL NEW STYLE PCB'S NO.1 AND NO.2.

     4) RUN PRINTER DIAGNOSTICS

                                  ** NOTE **

                   "J" CONNECTORS - BOTTOM VIEW

  Z  Y  X  W  V  U  T  S  R  P  N  M  L  K  J  H  F  E  D  C  B  A
 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1

                  PART NUMBERS - NEW STYLE PCBA'S

                                       MANUFACTURER           NACS
          ELECTRONICS BOARD NO. 1        63002302           MM030447
          ELECTRONICS BOARD NO. 2        63002303           MM030448         

ORIGINATOR: ?


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