Star Micronics TSP800 Series User manual

THERMAL PRINTER
TSP800 Series
TECHNICALMANUAL
[FIRST EDITION]

NOTICE
•Allrightsreserved.Reproductionofanypartofthismanualinany
form whatsoever, without STAR’s express permission is forbid-
den.
•The contents of this manual are subject to change without notice.
•All efforts have been made to ensure the accuracy of the contents
of this manual at the time of going to press. However, should any
errors be detected, STAR would greatly appreciate being in-
formed of them.
•The above notwithstanding, STAR can assume no responsibility
for any errors in this manual.
© Copyright 2000 Star Micronics Co.,Ltd.

INTRODUCTION
This manual describes the thermal printer TSP800 series.
It is designed for use as a reference for periodic inspections and maintenance procedures to be executed
by service personnel. It is not intended for the general user. Users of this manual should have a basic
knowledge and understanding of the English language.
•This manual is divided into the following sections:
Chapter 1 Parts Replacement and Adjustments
Chapter 2 Maintenance and Lubrication
Chapter 3 Parts List
1
2
3

CHAPTER 1
PARTS REPLACEMENT
This chapter explains disassembly and reassembly of the printer. Note the following precautions during
disassembly and reassembly.
1. Disconnect the printer power cord plug from the wall outlet before servicing it.
2. Assembly is the reverse of disassembly unless otherwise specified.
3. After reassembly, coat the screw heads with locking sealant.
4. Lubrication information is not provided in this chapter. Refer to item 2 of chapter 2.
5. The printer has no adjustable parts.
1. Lower Case Unit ....................................................................................................3
2. Upper Case Unit ....................................................................................................3
3. Board Chassis Unit ...............................................................................................4
4. Main Logic Board ..................................................................................................4
5. Platen Unit..............................................................................................................5
6. Paper Feed Motor ..................................................................................................5
1

– 3 –
PARTS REPLACEMENT
1. Lower Case Unit
(1) Turn off the power switch 1, disconnect the power
cord from the wall outlet.
(2) Remove
•Two tapping screws 2
•Two tapping screws 3
•Lower case unit 4
2. Upper Case Unit
(1) Turn off the power switch1, disconnect the power
cord from the wall outlet.
(2) Remove the lower case unit according to the
procedure described in item 1.
(3) Push the cover open lever 2, and open the printer
cover 3.
(4) Remove the upper case unit 4.
4
3
23
2
1
4
3
2
1

– 4 –
PARTS REPLACEMENT
3. Board Chassis Unit
(1) Turn off the power switch1, disconnect the power
cord from the wall outlet.
(2) Remove
•Uppercase accordingtotheproceduredescribed
in item 2.
•Three screws 2
•Screws 3
•Two wires 4
•Six connectors 5
•Printer mechanism 6
•Board chassis unit 7
4. Main Logic Board
(1) Turn off the power switch, disconnect the power
coard from the wall outlet.
(2) Remove
•Board chassis unit according to the procedure
described in item 3.
•Two screws 1
•Two screws 2
•Sub chassis 3
•Interface board 4
•Two screws 5
•Two connectors 6
•Power switch 7
•Sub-board 8
•Four screws 9
•Main logic board 0
•Screw A
•Switch holder B
•Board chassis C
2
2
2
3
1
5
4
6
4
7
9
9
55
8
C
B
A7
66
A
A
99
0
3
2
1
4
1
2

– 5 –
PARTS REPLACEMENT
5. Platen Unit
(1) Turn off the power switch, disconnect the power
cord from the wall outlet.
(2) Push the cover open lever 1, and open the printer
cover 2.
(3) Remove
•Stop ring 3
•Bearing 4
•Platen unit 5
6. Paper Feed Motor
(1) Turn off the power switch, disconnect the power
cord from the wall outlet.
(2) Remove
•Printer mechanism according to the procedure
described in item 3.
•Screw 1
•Paper feed motor 2
1
2
34
5
2
1