November, 99
All Rights Reserved
i
B-443 Bar Code Printer
Service Manual
Table Of Contents
1. FUNDAMENTALS ABOUT THE SYSTEM .................................................................................................1
1.1 F
EATURES OF THE
B-443...................................................................................................................................1
1.2 M
ODEL
N
AMING
S
YNTAX
.................................................................................................................................1
1.3 O
VERVIEW
.......................................................................................................................................................2
1.3.1 Front View................................................................................................................................................2
1.3.2 Rear View .................................................................................................................................................3
1.4 B
ASIC
S
PECIFICATIONS
.....................................................................................................................................4
1.5 E
FFECTIVE
P
RINT
A
REA
....................................................................................................................................6
1.6 A
VAILABLE
B
AR
C
ODES
....................................................................................................................................6
1.7 V
ARIOUS
S
ENSORS
............................................................................................................................................7
2. SUPPLY SPECIFICATIONS..........................................................................................................................9
2.1 T
YPES OF
P
APER
...............................................................................................................................................9
2.2 S
PECIFICATIONS
...............................................................................................................................................9
2.3 A
PPROVED LABELS
......................................................................................................................................... 10
2.4 R
IBBON
S
IZES AND
S
HAPES
............................................................................................................................. 10
2.5 A
PPROVED
R
IBBONS
....................................................................................................................................... 11
2.6 D
ETAIL TEST DATA
......................................................................................................................................... 11
3. ELECTRONICS ............................................................................................................................................ 13
3.1 C
IRCUIT
D
ESCRIPTION
.................................................................................................................................... 13
3.2 MCU P
IN
D
ESCRIPTION
.................................................................................................................................. 15
3.3 R
ESET
C
IRCUIT
............................................................................................................................................... 17
3.4 M
EMORY
S
YSTEM
.......................................................................................................................................... 17
3.5 C
ONNECTOR
C
IRCUIT
D
IAGRAM
...................................................................................................................... 18
3.6 R
EAL
-T
IME
C
LOCK
C
IRCUIT
............................................................................................................................ 20
3.7 D
ECODE
C
IRCUIT
............................................................................................................................................ 21
3.8 T
HERMAL
H
EAD
D
RIVE
/ P
ROTECTION AND
H
ISTORY
C
ONTROL
C
IRCUIT
........................................................... 23
3.9 24V/5V C
ONVERTER
C
IRCUIT
........................................................................................................................ 24
3.10 S
TEPPING
M
OTOR
A
ND
DC M
OTOR
D
RIVER
/ P
ROTECTION
C
IRCUIT
............................................................... 25
3.11 C
OMMUNICATION
(S
ERIAL
& P
ARALLEL
P
ORT
) C
IRCUIT
................................................................................ 26
3.12 C
UTTER
D
RIVE
C
IRCUIT
................................................................................................................................ 27
3.13 M
AINBOARD
R
EPLACEMENT
.......................................................................................................................... 28
3.14 F
LASH MEMORY
R
EPLACEMENT
..................................................................................................................... 32
3.15 C
UTTER
, DC M
OTOR
, S
TEPPING
M
OTOR
D
RIVER
IC R
EPLACEMENT
............................................................... 33
4. MECHANISM ............................................................................................................................................... 34
4.1 C
UTTER
I
NSTALLATION
.................................................................................................................................. 34
4.2 P
RINT
H
EAD
R
EPLACEMENT
............................................................................................................................ 35
4.3 DC M
OTOR
R
EPLACEMENT
............................................................................................................................. 37
4.4 R
IBBON
R
EWIND
S
PINDLE
E
NCODER
R
EPLACEMENT
......................................................................................... 38
4.5 F
ELT
F
ABRIC
R
EPLACEMENT
........................................................................................................................... 39
4.6 S
TEPPING
M
OTOR
R
EPLACEMENT
.................................................................................................................... 41
4.7 B
LACK
M
ARK
S
ENSOR
/ G
AP
S
ENSOR
(R
ECEIVER
) R
EPLACEMENT
..................................................................... 42
4.8 R
IBBON
S
ENSOR
(R
ECEIVER
) R
EPLACEMENT
.................................................................................................... 43
4.9 R
IBBON
S
ENSOR
(T
RANSMITTER
) / G
AP
S
ENSOR
(T
RANSMITTER
) R
EPLACEMENT
.............................................. 45
4.10 P
LATEN
R
EPLACEMENT
................................................................................................................................. 46
4.11 H
EAD
-U
P
S
ENSOR
R
EPLACEMENT
.................................................................................................................. 49
4.12 P
ARTS
L
IST
.................................................................................................................................................. 57
Содержание B-443
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