Panasonic KX-P4440 - Manual (Page 137)

Connector Pin Signals
S T B . .. S T R O B E
•T h is i s a s y n c h ro n izin g in p u t sig n a l to rea d d ata in to th e p rin ter.
•T h is s ig n al is n o rm ally h ig h . D ata is r e ad in w h en it g o es l o w .
• T h e p u lse m u s t b e l o w fo r a t lea st 1 m ic ro sec o n d .
D A T A 1 -D A T A 8
•T h e se are th e in p u t sig n a ls w h ich ca rry th e 8 d ata b its o f in fo rm atio n .
•T h e sig n al is re ad in sy n ch ro n iza tio n w ith th e S T R O B E p u lse . A h ig h
le v el in d ic ate s a lo g ica l “1 ”.
•T h e sig n al m u st b e p rese n t 0 .5 m ic ro sec o n d s b e fo re an d afte r th e
S T R O B E p u lse.
A C K . ..A C K N O W L E D G E
•T h is is a n o u tp u t sig n a l to th e co m p u te r in d ic atin g th at th e p rin ter is
rea d y to re ce iv e th e n e x t b lo ck o f d ata . It is se n t o u t w h en th e B U S Y
sig n a l d ro p s fro m h ig h to lo w . T h e re fo re, it c an b e th o u g h t o f as a d ata
req u e st p u lse.
•T h e sig n al is n o rm ally h ig h . W h en th e co n d itio n b eco m es tru e, th e sig n al
g o es l o w .
•T h e A C K sig n a l i s a u to m a tica lly se n t w h en e v er th e p rin ter is sw itch e d
O N L IN E .
B U S Y
•T h is o u tp u t s ig n al in d ic ate s t h e sta tu s o f th e p rin ter. T h e sig n al is h ig h
w h en th e p rin ter is b u s y a n d c an n o t re ce iv e d ata.
•T h e sig n al is h ig h u n d er th e fo llo w in g co n d itio n s:
1 . rec eiv e b u ffe r fu ll
2 . p rin te r is O F F L IN E
3 . p rin te r is in a n e rro r c o n d itio n
P O ..P A P E R O U T
•T h is o u tp u t s ig n al in d ic ate s t h at p ap e r o u t d ete cto r d ete cts t h e a b sen c e
o f p a p er.
•T h e sig n al is n o rm ally lo w an d g o e s h ig h d u rin g a “P ap er O u t” co n d i­
tio n .
S E C T . S E L E C T
•S E L E C T is a n o u tp u t sig n al w h ich in d ic ate s th e O N L IN E o r O F F L IN E
sta te o f th e p rin te r. T h e sig n al is h ig h in th e O N L IN E sta te an d lo w
w h en O F F L IN E .
•T h e p rin te r en ters th e O N L IN E state :
1 . w h en th e p rin ter is t u rn e d o n
2 . w h en th e R E S E T co m m an d is re ce iv ed
3 . w h en th e O N L IN E sw itch is p re sse d
•T h e p rin te r en ters th e O F F L IN E s tate:
1 . w h en th e p rin ter is o u t o f p a p er
2 . w h en th e p rin ter is s w itch e d O F F L IN E
Specifications 6-9