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B-852-R manual
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32 pages, 2.6 Mb
PRINTED IN JAPAN
TOSHIBA Thermal Printer
B-852-R SERIES
Document No.
EO18-33018
Original
Mar., 2006
(Revised )
Maintenance Manual
Contents
Main
B-852-R SERIES
Maintenance Manual
TABLE OF CONTENTS
2. MAJOR UNIT REPLACEMENT --------------------------------------------------------------------2- 1
1. UNPACKING
1.1 Procedure
1.2 Checks
2. MAJOR UNIT REPLACEMENT
2.1 OPENING AND REMOVING THE COVERS
4) Remove the two B-4x6 screws, PT-3x8 screw and D-4x6 screw to detach the side cover L.
WARNING! Disconnect the power cord before replacing the parts.
2.2 LUBRICATION
2.3 Replacing the MAIN PC Board
Page
Page
2.4 Replacing the Panel PC Board
Page
2.5 Replacing the Stepping Motor
Page
2.6 Replacing the Head Up Sensor, Slit Sensor (Rewind/Feed) and Ribbon Motor (Rewind/Feed)
Page
Page
Page
2. MAJOR UNIT REPLACEMENT
Platen Strip Plate
Platen Holder L
2.7 Replacing the Platen
Top Cover
Platen Holder R
Shaft Holder
Shaft Holder Platen
Page
2.8 REPLACING THE MEDIA SENSOR
2.8.1 Feed Gap Sensor (TR) and Black Mark Sensor (Upper Side)
2.8.2 Feed Gap Sensor (LED) and Black Mark Sensor (Lower Side)
Page
2.9 REPLACING THE PRINT HEAD
2.10 Replacing the PS Unit and Reactor
Page
Page
3. PERIODIC MAINTENANCE PROCEDURE
Page
Page
Page
4. TROUBLESHOOTING