Table Of Contents - Toshiba B-570 Maintenance Manual

1. UNPACKING ...................................................................................................... 1- 1
1.1 Procedures .................................................................................................. 1- 1
1.2 Checks ........................................................................................................ 1- 1
2. MAJOR UNIT REPLACEMENT .......................................................................... 2- 1
2.1 REPLACING THE PS UNIT, I/F PC BOARD AND CPU PC BOARD ......... 2- 2
2.2 REPLACING THE STEPPING MOTOR ...................................................... 2- 4
2.3 REPLACING THE RIBBON MOTORS ........................................................ 2- 5
2.4 REPLACING THE TAKE-UP MOTOR ........................................................ 2- 5
2.5 REPLACING THE SOLENOID .................................................................... 2- 7
2.6 REPLACING THE PRINT HEAD ................................................................ 2- 8
2.7 REPLACING THE PLATEN AND FEED ROLLER ..................................... 2-11
2.8 REPLACING THE PAPER SENSOR ......................................................... 2-13
2.9 REPLACING THE RIBBON BACK TENSION BLOCK .............................. 2-13
2.10 REPLACING THE PINCH ROLLER SHAFT ASS'Y .................................. 2-14
2.11 CORRECTING SKEW PRINTING ............................................................. 2-16
3. INSTALLATION PROCEDURE FOR THE OPTIONAL EQUIPMENT ................ 3- 1
3.1 HIGH SPEED PC INTERFACE BOARD (B-4800-PC-QM) ......................... 3- 1
3.2 CUTTER MODULE (B-4205-QM) ............................................................... 3- 3
3.3 MEMORY MODULE .................................................................................... 3- 5
3.4 FANFOLD PAPER GUIDE MODULE (B-4905-FF-QM) .............................. 3- 7
4. MECHANISM DESCRIPTIONS .......................................................................... 4- 1
4.1 CUTTER DRIVE (CUT MODE) ................................................................... 4- 1
4.2 HARNESS WIRING .................................................................................... 4- 2
5. TROUBLESHOOTING ........................................................................................ 5- 1
6. DIAG. TEST OPERATION .................................................................................. 6- 1
7. PROGRAM DOWN LOAD .................................................................................. 7- 1
7.1 FLOPPY DISK ............................................................................................. 7- 1
7.2 SETUP ........................................................................................................ 7- 1
7.3 DOWN LOAD PROCEDURE ...................................................................... 7- 2
7.4 ERROR CODE ............................................................................................ 7- 3
CAUTION:
1. This manual may not be copied in whole or in part without prior written permission of
TOSHIBA TEC.
2. The contents of this manual may be changed without notification.
3. Please refer to your local Authorized Service representative with regard to any queries you
may have in this manual.

TABLE OF CONTENTS

(Revision Date Feb. 01 '96)
Page
Copyright © 1999
by TOSHIBA TEC CORPORATION
All Rights Reserved
570 Ohito, Ohito-cho, Tagata-gun, Shizuoka-ken, JAPAN
EM18-33010A