Epson LQ-2550 Technical Manual page 123

4
HPW
(7 B:pin 23)
o
PNPON
0
24)
( 1 ~ n ~
(1A)
* 1 :
when the paper thickness is normal
* 2 :
when the paper thickness is normal
* 3 :
First pulse width. this varies depending on the paper
thickness (paper mode) and the +35 V line voltage. Refer
t o s e c t i o n s 2 . 3 . 5 . 3 a n d 2 . 3 . 5 . 4 .
I
1
1
1
I
I
I
1
1
1
u
Figure 2-73. Printhead Drive Circuit Signal Timing
1
1
1
1
1
1
u
in the Draft self test mode,
2 - 7 7
REV.-A
- - -
11
III u
- - - - -
I
- -