Sharp CE-140P User manual

C~L [ ( ft-
5 ° C t o 40 ° C (41 °F to 104 ° F)
2 56 ( W )x184(D )x43(H )mm
10 - 25 / 32" (W)x7-1 / 4"( D )xl - 11 / 16"
(H)
A pprox. 860g (1 . 9 lbs.)
A C Adaptor (EA - 150), Hard case , 1
roll of paper, 1 spare ink cartridge ,
Cleaning kit (1 cleaning cartridge, 1
cleaning paper, 1 cleaning pad),
Operation manual.
Weight:
Acces s or i e s :
Operating
temperature:
Dimensions:
S H ARP CORPORATION
0.2mm
Maximum of 6 . 1 char ac te rs / s econd
(when t h e standa r d s i ze cha r acter
"2 " i s pr i nted i n black . The printing
spe e d va r ies dep en di ng on the format
and cha r a c te r type being pr i nted.)
moveme n t :
P ri nting Speed :
CE-140P
Colour Dot Printer
X, Y Plotter
Max i m um of 80
(smallest character size)
7 (Black, Purple, Red, Magenta,
Green, Cyan, Yellow)
4 ( B lack, Mage n ta, C yan, Yellow:
E A -600 Ink Cartr i dge)
Black:
Approximately 1,600,000 dots
(approximately 66,000 standard
s ize "2" characters)
Other colours:
Approx i mately 960 , 000 dots
(approximately 40,000 standard
size "2 " characte rs)
Printed at 20 ° C (68 ° F)
Character s ize : 63 typ es from 0.8 mm x 1 . 2 mm to
50".4 mm x 75.6 mm
Charact e r p r inting
direction s : 4 (Up , Down , Left , and Right)
Minimum head
adaptor
Power consumption: 5.2W
Number of line s: A p prox i matel y 450
(wi t h 1 5 -h o u r ch ar g e)
( A t a t e m peratu re o f a pp ro ximat e ly
20 ° C ( 68 ° F ) , s t a nd a rd s i ze " 2 "
chara c te r s p r in ted in b l ack , and
twenty " 5" charact e rs p rint e d p er
lin e .
P a per :
Roll pape r diam e t e r 25 mm o r les s ,
width 114 mm (Option: EA-51 5 P)
Powe r r equirements: Built - i n rechargeable batt e ry
AC: Local voltage with EA - 15 0 AC
Ink life:
Ink c olours:
Printing Colours:
Model:
Product:
Printing method :
Characters / line :
1. SPECIFICATIONS
•PARTS LIST & GUIDE 28
• PRINTER SECTION
1.1 GENERAL DESCRIPTION 11
1 . 2 OPERATING PRINCIPLES 12
2.1 REPER 16
3.1 DISASSEMBLY 19
3.2 ASSEMBLY 19
,.-~~~~~~~~~~~~~~CONTENTS~~~~~~~~~~~~~~--
1. SPECIFICATIONS 1
2. SCHEMATIC DIAGRAM OF THE SYSTEM 2
3. NOTES FOR HANDLING THE CE - 140P 2
4. CE - 140P CIRCUIT BLOCK DIAGRAM 3
5. EXPLANATION OF CIRCUIT OPERATION 3
6. EXPLANATION OF CPU TERMINAL SIGNALS 4
7. HOW TO CHECK OPERATIONS 5
8 . ADJUSTMENT IN THE CIRCUIT
9. CIRCUIT DIAGRAM
10 . PARTS & SIGNAL POSIT I ON
• Printer of ink-dot plotter method and 7 colours
• Use the operation manual with this text
MODEL CE-140P
COD E:OOZCE140PSM / E
SHARP -
CE - 140P
SERVICE MANUAL

Table 3.
Tempe r at ur e C harging voltage
0 ° C
Mo re tha n 7. 5 V
2 0 °C
Mo r e tha n 7 . 2 V
40 °C
M ore t h an 7 . 0V
T ab l e 2 .
2 ) C a p acit y af t er leavin g bat t eries
A fter co m p l et i ng charging, if a battery is l e ft for a
m onth at t h e t em p e r a t ure of 20 ± 2 ° C , the disc h arge
c apacit y i s 300 MAh o r mo re .
4. Ch arac t eris t ics of t he cha r g i ng vo l tage
C harging volta g e a ft er c ha rgi ng c on tinuou s l y wi t h 5 0 m A
stea d y current o f 15 ou rs a r e g iven in T able 3.
Ch arge or dis ch arge t e mp e r at ur e
Di scha r ge c a p acity
10 ± 2 °C
50 0m A or more
20 ± 2 ° C
5 00 mA o r more
35 ± 2 °C
4 00 m A or more
3 . Discharge ca pacity
Charge and discharge are performed at the same tempera -
ture , and the final discharge voltage i s 5.0V.
Standard charging Charging is pe rform e d w i th 5 0mA
for 15 hours, discharge is performed with 1 O O mA steady
curr e nt .
1) Discharge capacity after charging
The d i scharge capacity w i thin a n hour after completing
charg i ng is given in Table 2 .
Tabl e 1.
No - l o ad t e rmin a l volta ge
Time el a ps ed MIN
MAX
F or a n h ou r o r l es s
6.50V
7 . 50V
After a Month
6.25V
6 . 75V
T i m e fo r c h a rg ing 1 5 h o u rs
Trichle c h arg i ng current : 10~ 25 mA
Temperature ran g e fo r reservi n g : - 20 ° C ~ 40 ° C ( l ess t h an
8 5 % )
2. In t h e te mp era tu re r ang e of 25 ± 5 ° C, no-lo ad term i nal
volt a g e s a ft er co mpl e ting ch a r gi ng are g iv e n i n T a bl e t.
The charg in g mu st b e pe r fo rm e d in t h e t e mper a tur e
ra nge g i v e n above with 50mAfor 1 5 hou rs .
5 00mA h (0 . 2 C dis c harge)
50mA
Nomi nal capacit y:
C harging curren t :
Reference data
1. R a t ed v a l ues of a b a t tery of charg ing ty pe
N ominal volta g e : 6 .0 V
• If a batter y is charged fo r a while more t han t h e specifi -
ed time , overcharge occurs , and the batter y perform a nce
sometimes fal l s.
• If charging i s performed when the tempera tu re is 5 ° C or
l ess or 40 ° C or more, t h a n battery performa n ce some-
times fal Is .
• A f t er repea t ing several times charge a nd d is charge
co r rectly, if the battery can be used only for half of the
prescribed time , cons id er t h e l i f e of the battery , and
cha n ge it.
- 2 -
General knowledge of batter i es of cha r gin g t y pe
• I mm edi at ely after pu r chasing a product, it seldom
happ ens t h at a battery cannot be used for a pre s cribed
wh ile af te r cha rg i ng s u ffic ie n tly (more than 1 5 hours).
In su ch a ca se , th e ge n e ra l co nd iti on will be re t urned
while it is used aft e r c ha r g in g 2 o r 3 t imes.
• Whe n a b atte r y is not u se d for a l ong w h ile, th e ba tte r y
capacity is lower e d by s elf - d i s c harg e .
• Power supply
In the CE - 140P , a b a tter y of c h arg in g ty p e ( ni ckel- c admiu m
s tor a g e ba tter y of her m e tic t yp e) i s used as a power source.
Th is b a tt ery o f c harg ing type supp l ies the following s :
1 . V o lt age for o p era t ing a pri n ter (voltage for operating a
m o t or o r a h ead) : Vp = 6.0 ± 0. 5V
2. Lo g i c cir cu i t op e ration volta g e (pri nt er contro l circuit:
V ee= 5.0 ± 0.5V
Ho we v er , t he p ower is n ot supplied from the CE-1 40 P to a
com pu t e r.
• How to attach roll paper .
• How to exchange an ink ca r tridge.
• How to clean a printer head . (How to use a cl e an i n g
k i t.)
• How to clean a printer . (How to use a cle an i ng k i t .)
• How to connect the CE - 140P with a computer .
• Range for moving a head o r pap er (p r int i ng are a ).
• In s tructions for the CE - 140P.
As fo r the items given ab o ve , r efer to the o p era tio n manu a l .
3. NOTES FOR HANDLING THE
CE-140P
CE - 5 1 5P
Fig. 1
CE-1 2 6P
P C -5000
C E- 516L
G--0--0
~
C E -130T
[)-0{)
II
SIO l / F
CE-515 P etc .
2. SCHEMATIC DIAGRAM OF THE
SYSTEM
-
CE - 1 4 0P

- 3 -
N i- cd terminal
A pprox. 6 . 5V
Approx . 7. 5V
A pp rox . 7.75V
voltage
( i nit i al st age of
( T yp . )
(l ast st a ge of
chargin g )
c h ar ging )
Chargi ng
A bo u t 117mA Abo u t 5 1 mA
About 5 . 3mA
cur r e n t
Fig. 5 C ircuit s ec ti o n B in t he blo c k d i agram
1) T his is a c i rcuit u sed to cha r ge Ni - cd battery by flowing
a pp ro x. 50 mA on RO when a p r i nter is not op e rat e d .
2 ) C h a r ging c ur r e n t v ar i es depen di ng on t he s tatus of
N i-c d battery capac i ty (terminal voltag e ) . Th e ra n ge of
t he va r ia t io n i s g i v en below .
-:- N i -Cd
_ :_AAx 5
I
I 0 3
I
I
l--- - J
Po w e r s upply
,___ __.t--'-A~s~e-ct~io~n ..._~GND
DO 01
A DAPTO R
• S e c tion B : Po wer su p ply circui t
Th is is a c o n trol circuit i n wh ic h the output current
of the A C ada pter i s co ntro l l e d n ot t o e xceed max .
500 m A usi n g the R 1 and T r 1 .
C3 , R 3 and 02 are used to rise the pow er s upply
circuit by fl owing b a s e cu r re nt (03 -+ 02 -+ Tr 3 -+ R 4) on
the T r 3 w h en the AC a d a p ter is con n ected.
2) Whe n th e N i - c d te rm i nal vol t ag e i s 6.0V o r more, t h is
c irc u i t is sca rc el y ope r a t e d.
3 ) Wh en th e bat t e r y c ap a city is s m a ll , if a pr inter i s
o p era t ed, t h i s ci r c u i t i s operate d f u ll towarddetecting
l ow ba tt e ry (5 . 3V ) . T h a t i s; w hen t h e batt er y vo l tage is
l ow ered to 5 . 5V b y p ri nt er o p erat i o n, the e l ectric
pot en t i a l in t he catho d e side ( T r3 co l lec t o r) o f the
zen e r diod e 0 3 i s a l s o lowered , and the em itte r e l ec tr ic
p o t en t ial of Tr3 is more lowered (get nea r to GNO
l evel) on acco u nt of co n stan t - v olt a ge e ffec t of the
zener diode 03. Accordingly, the increase of the
collector current o f Tr3 cause s the increase o f th e
cu rren t o f th e co ll ector and the emitte r of Tr 2 . There -
fo re, c urre nt s u pp l y is passible w h en the battery capa -
ci ty i s smal I.
4) Wh e n th e s u pp l y cu r rent is i ncreased and th e AC
a dapte r outp u t c u rre n t i s 50 0m A or more, T r1 cut-off
el ec t ric pot e nt ial is ex c eeded (R 1 x 5 00 mA), and Tr1
is ON - Tr 2 i s OFF, so that t he cu rrent supply i s
stopped.
S in c e the pri n te r o peration vo l tage is the sa m e as t h a t o f
the Ni - cd discha r ge voltage, th e Ni - cd t e rmi nal volta g e Vp
i s connect e d dir ec tly .
Section A : When the cap a c i ty o f a Ni - cd batte r y is sm a ll ,
(wh en th e lo w - ba tt e ry is not d e tected), th e
volt a ge sam e a s the battery voltage is direct e d
from t h e ad a pt e r to suppr e ss bett e r y consump -
tion .
S e ct io n B : Th is is a c i rcuit us e d e xclus i v e ly for cha r ging a
N i- cd battery .
S e ction C: T h is is a V ee power sup p ly cir cu it u sed for a
logic circu i t (prin t er contro l circui t ) .
Fig . 3
GND
B
~ Vp
-=- ' tl vcc
NI - Cd
A
s . w .
1 . P owe r supply cir c uit
F i g . 3 s h ow s the b loc k d i agram of a power su p ply circui t.
5. EXPLANATION OF CIRCUIT
OPERATION
Fig. 2
-+-- - ;>o.VCC
AC Adapto r
E X - 150 ----
Powe r supply
(N l - cd
AA x 5 P CS )
Lo w battery
15PIN
COI L
Fig . 4 Circu i t se c t io n A in t he b l ock d i ag ram
C l ock I N K
1)
S IO
8
Motor
8
dr i ver
d ot pl o t t er -
P rinte r
Head 4
b ri v er
M-374 0
:::t-! N i - Cd
! : IAAx 5
L
-=r •
_ _j_J
I
I
0 1
04
R 1
A D AP T OR
• Se ction A : P ow e r s up p l y ci rc u i t -
C E - 1 4 0 P
15 PIN
V p
SC 6305Y1 A3 9 P
CPU
SIO
INK Pf P R INTER SI O
v cc 0
4. CE-140P CIRCUIT BLOCK
DIAGRAM

- 1 -
Terminal Terminal
Input / Explanation of
signals
No .
name
Output
1
Vss Powe r supply
ov
2 RES
Input
Power ON reset input te r minal
3
INT Input
Interrupt i on input terminal when a low battery is detected.
(In genera l, h i gh level, when LB is detected, low level )
4 STBY Input
Pull - up and fix to Vee .
•
5
XTAL Input
4 MHz oscillator connection terminal
6
EXTAL Input 4 MHz oscillato r connection terminal
7 NUM Input Pu l l - up t o Ve e at 10 K !1 .
8
TIMER Input Fix to GND = OV .
9 PA7
Output Paperfeed (Y) motor D phasestart s i gn a l
1 0 PA6
Output
Pape r feed (Y) moto r C phase s t a rt s i gnal
11
PA5
Output
Paper fe e d (Y) motor B phasestart s i gn a l
12 PA4
Output
P a pe r feed (Y) motor A phase start s i gnal
13 PA3
Ou t put Carriage f e ed (X) motor D phase st a rt s i gnal
14 PA2 Output
Ca r r i ag e f ee d (X) motor C pha s e start signal
15 PA1
Output Carriage f ee d (X) m o tor B phas e start s i gnal
1 6 PAO
Ou t p ut
C ar r iag e f ee d (X) m otor A ph a s e st a rt si gn a l
17 PB7
Ou t put
SID " RD " s i gna l
1 8 PB6
Ou t put
SIO " CS " s i gna l
19 PB5
Outp u t
PRINT +-> ex t erna l S I O s elec t s i g n a l (b uf fer IC en ab le sign a l)
20 PB4
Ou t put Print signal , whe n th e he a d driv e s ignal i s gen er ated, low l evel .
21
PB3
Output
H ead p in d r iv e (ye l low) s ignal , high lev e l i s available.
22 PB2
Output
He a d p i n dr i v e sig n a l (ma z ar i ne) signal , high lev e l i s avilable .
23
PB1 Output
Headpin drive signa l (cyanic) signal, high l e v e l i s available .
24
PBO Output
H ea d p i n drive (blac k ) s i gnal , h i gh lev e l is av ai lable.
25 PC7
-
N . C
I I
-
I
27 PC5
- N.C
28 PC4
Inpu t
C ar ri a ge hom e p os ition d e te c tio n sig na l. On ly th e hom e p osition is at high l e v e l.
• SC6305Y1 is a single chip micro computer of 8 bits.
(Internal ROM = 7872 bits, RAM= 256 bytes, extension of an external 8K byte RAM is possible . )
6. EXPLANATION OF CPU TERMINAL SIGNALS
Fig. 6 Circuit section C in the block diagram
T h e logic voltage Vee is generated with Vp voltage. S i nce
the Vp vari es from 5.5V to 6.5V wh e n a printer is operat e d
and varies from 6.5V to 7.7V w hile ch argin g, th e ze ne r
charactristics are used. The stab i l i zation of act i va t ion at
starting time is accomplished with C1, R1 and 01 which
have the same charactristics as the of C1 , R 1 and 01 i n
circuit A.
R4
D2
R2
Tr 1
Vp ~-- ..... ------. ,----41------...-----.,l J V ee
• Section C: Vee power supply circuit
-
CE-140P

- 5 -
2 ) Charactertest funct i on
Thi s is a function to ch e ck the print status of character s.
Turn on t h e p o w e r supp l y switch with pr e ss i ng th e paper
fe ed key . Then, printing characters (l e tter s or num er ic s )
c ontain e d in this machin e is s t a r ted. Wh e n printing c h a ra c-
ter s i s c o mp lete d once, r es t a rt p r inting from the begi n ning
a f t e r e xc h an g i ng i nk . (Ink c a n b e e xch ang ed in th e order of
bl ack -+ cy a n -+ mag e n ta -+ y el low . ) Whe n pr i nt i ng is t o
be term i nat e d , t urn off thepow e r supp l y switch .
1) C o lo r te s t function
Th i s is a functionto ch e ck head stuffing or ink exhaustion .
When the form feed key is pressed w i th pre s sing the ink
e xchange k e y , a s qua re of which sid e l e ngth is 5mm is
d r awn i n th e hatching form with e a c h color. The ord er of
colors is as follows :
Bl a ck, purp l e , red , magenta , green, cyan, yellow.
7. HOW TO CHECK OPERATIONS
Term i nal
T e rm ina l I n p u t /
E x p la nati o n of signals
No .
n ame Outp ut
2 9 PC3 - N . C
3 0 PC2
Ou t pu t L ow b at t e ry d e t ec t ion s upport si gn a l ( wh en LB is de tec te d, hi gh . Ve e po w er s upp l y in t h e moto r
I
ci r c uit i s s t opp e d . )
3 1
PC1 Inpu t J a p an t yp es ar e pu l l ed - up t o V ee at 10K n, a nd Expo r t typ e i s pul l ed - dow n t o GNDat 10K n .
32
PCO I n put
PRINTER +-+ SIO selec t s i gn al. P rin t er side= l o w level, S I O side= h igh l e ve l .
33
V ee Pow e r supply 5 ± 0.5V
34
PD 1 Inp u t SIO " SD " input s ign a l
35 PD2
I n put SIO
" RS " i npu t sig n al
36
PD 3 Input SIO " RR " input sig n al
37 PD4 Input I 1NK I k e y inpu t sig n a l. V ee le v el is s et by key ON .
3 8
PD 5 In p u t
I m I key i npu t sig n a l. V ee lev e l i s s e t by key O N .
39
INT 2 I npu t
I n t erruptio n sig n al. Lo w le v e l is a v a i labl e .
40 PD7 I n pu t PAK ( peri ph e r al ack no w l ed g e) sig n al. Hi g h effective s i g nal ge n e r ated with PRO ( p eripheral
req ue st) sig n a l .
41 AO Output N . C
1 1
1 1
54 A13 Output N . C
55 RJW Output
N . C
56
E Output N . C
57 D7 Input / Ou t put
N.C .
l 1
1
1
64 DO
Input / Output N.C
-
CE - 14 0P

- 6-
ABC D .. ... X Y Z 0 12 3456 7 8 9 + - * I
(In each color , bolt, s t a i n i n the space , blur, o r
t r a n sfor m atio n of printed chara c ters i s not
all o we d .)
@llllll
I IIIIJ1UIJ} ~
/// /
Gap in t h e Y direction
m u st be 0 .3 m m or l ess.
~ -,,--,
r i '~- _ __,,_,_ .
( J_~ e~ l : w ~", } ,~ ?· , G a p i n th e X d i r ection
' 1+-' , ; m ust be 0.2mm or less .
:
1
Cyan ,· :'
: µ_Mag e n t a ' : ~ '
: 1 ) : , J '
Q
' i:...:.: -- - - - ----- .. :. f
- T- - J =r - -'
Yel low M a g e nt a
Cya n
Th ey mu st a p p ea r in th e sa me line a s t h a t o f bl ack.
I n the disp l a y of th e P C-1450 , "ER RO 8 IN "
must a pp e a r.
Printer head must be in th e rightmost po s it io n .
Paper fe e d i s prohib i t e d .
H ead must b e in the leftm o st position .
Set t h e power sw i tc h to ON .
IC-CE I I DEF I 0
S witch OFF po int
I 9-- ,
~- ~----- - -- r -;
When p r inting prog r essed up to the position
s hown b e l ow , s et the pow e r s witch to OFF .
•
Pr es s j 1 N K J k e y and s e t i t fr ee .
Pre ss [WJ key.
P r ess J 1NKI k e y a nd s et i t fre e .
• POWER SW ON
• I BASIC I lliJ [] I ENTER I
•
•
•
•
•
P oint to b e ch e cked
Ope r ation
CE - 140P PC - 1450
3) Charcter of printed c haracters , or che c k i ng p r int preci -
s i on
• P repare the PC-14 5 0 (E L - 55 2 0) to co n nect with the
C _ E-140P which is to be tested .
• Enter the cke c k program in the PRO mode, and carry
cut the following operation:
-
CE - 1 40 P

Ambienttemperature ( ° C)
Vp(V) LB(V)
0 5.49±0.01
1.0 ± 0.1
5 5.45
± 0 . 01 1 . 0 ± 0 . 1
10 5.41 ± 0 . 01 1.0 ± 0.1
15 5 . 38 ± 0 . 01 1.0 ± 0 . 1
20 5 . 34 ± 0 . 01 1 . 0 ± 0 . 1
25 5.30 ± 0.01 1 . 0 ± 0 . 1
30
5 . 26 ± 0.01 1 . 0 ± 0 . 1
35 5 . 23 ± 0 . 01 1 . 0 ± 0 . 1
40 5 . 19 ± 0 . 01 1.0 ± 0.1
1) How to adjust voltages in the low battery detection
circuit.
A d j ust the RV (220K ~ ) to c o rres po nd t o t h e meas u re d
a m bi ent t e m pe r a t u r e s o th a t t he low b at t er y m ay b e
d et e ct e d at th e Vp vo l t ag es g iv e n in t h e fo l low i ng tabl e .
(S et VR i n the full clockwis e direction , then, adjust by
slowly rotat i ng leftward . )
8. ADJUSTMENT IN THE CIRCUIT
360:LPRINT "R-100,-225"
400:REM ** Y RUISEKI **
410:LPRINT CHR$ 27+"C0": LPRINT "R100,"
420:FOR A=0 TO 4: LPRINT "J,-999,10,,,99
9,10,": NEXT A
430:LPR!NT " J,-996"
440:LPRINT CHR$ 27+"C3"
450:LPRINT "J-150,,,-3,150,,,-3,-150,"
460:LPRINT "R-50,-200"
500:REM **CHARACTER**
510:LPRINT "A"
520:FOR A=0 TO 5: LPRINT CHR$ 27+"C";CHR
$ (48+A>;
530:LPRINT "ABCDEFGHIJKLMNOPQRSTUUWXYZ01
23456789+-*/"
540:NEXT A
600:LPRINT CHR$ 10;C"HR$ 10;CHR$ 10;CHR$
10;CHR$ 10;CHR$ 10;CHR$ 10
610:END
"'
2
J
c
RINT "R - 5, ,5,
"
270:LPRINT
"J,-25,-25,"
280: L PRINT CHR$ 27+"C3":
LPRINT
"J-25,"
290:LPRINT CHR$ 27+"C5":
LPRINT
"J-25,"
300:LPRINT CHR$ 27+"C6":
LPRINT
"J-25,
"
310:LPRINT CHR$ 27+ " C0": LPRINT "J-25,,,
25"
320:LPR!NT
CHR$ 27+"C3 " :
LPRINT
"J,25"
330:LPR!NT
CHR$ 27+"C5":
LPRINT
"J,25"
340:LPR!NT CHR$ 27+"C6":
LPRINT
" J,25"
350:LPRINT CHR$ 27+ " C0":
LPRINT
"J,25"
240:LPRINT "R,S,,-5": LPRINT "J25,": LPR
INT "R,-5,,5": LPRINT "J25,, ,-25"
250:LPRINT " JS,, - s,,,-25,-5,,5,,,-25 "
260:LPRINT " RS, ,-5, " : LPRINT "J,- 2 5": LP
10:REM **TEST fo~ CE140P **
20:CONSOLE 160
100:LPRINT CHR$ 27+"1i"
110:REM ** X ERROR***
120:LPRINT CHR$ 27+"b"
i30:(PRINT CHR$ 27+"b"
140:LPRINT "LS": LPRINT "0480,-40,B"
200: " A" REM** X&Y ERROR**
210:LPRINT CHR$ 27+"b "
220:LPRINT "M100,-100"
230:LPRINT
00 J2s,,,s,,-s,2s,,,-s,,s,2s,,,
• Check program
- 7 -
ABCDEFGHIJKLMNOPQRSTUUWXYZ0123456 7 89+-*/
ABCOEFGHIJKLMNOPQRSTUUWXYZ0123456789+-*/
ABCOEFGHIJKLMNOPQRSTUUWXYZ0123456789+-*/
ABCOEFGH I JKL MN OPQ R STUUW X YZ01234 5 6 7 89+ - * /
ABCDEFGH I JKLMNOPQ R STU U WX Y Z0123456 7 89+- * /
ABCOEFGHIJ K LM N O P Q R S T UU WXY Z012 3 456 7 89 +-t/
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••••••
• Print samples to be tested (some kinds of colors do not
appear in print . )

-8 -
<Fig- 8)
1 . 0 ± 0 . 1
1 . 0 ± 0.1
1 . 0 ± 0.1
1 . 0 ± 0.1
1 . 0 ± 0.1
1 . 0 ± 0.1
1 . 0 ± 0.1
1.0 ± 0 .1
1.0 ± 0.1
LB(V)
( PB0 ~ 3 ) PRINT
!. t," ._: __ ..___,
TC74HC02P(Out) -----'~~'---------!~'-: -----
Print pulse I I
i--.1
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0.68msec
TC40H367P (O u t )
' t h e m easured
attery m ay be
f ollowing table .
t hen, adjust by
ttery detection
( PB4 ) TRI GGER n-=:-------~n
~ 2 0µ 2 . 86 m sec :------
:IRCUIT
GND
0;CHR$
BA6521
TC40H367 P
VWXYZ01
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Vp
J,25"
J,25"
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J-25,"
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2) How to adjust a head drive circuit (print pulse width)
Adjust a pulse width (printer head coil applying pulse,and
C terminal of the STA401A) to b e 0.68m s e c. using VR1
whenthe Vp voltage i s within 6.0 ±0.05V.
-25"
25": LP
Fig. 7
, ": LPR
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02
01
Vp
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9 . CIRCUIT DIAGRAM
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