Epson Stylus Pro 7000 Series, Руководство по обслуживанию, Страница: 74 / 231

EPSON Stylus Pro 7000 Revision B
Operating Principles Printer Mechanism Operation Outline 74
†
Paper size detection - leading edge
Before printing the printer needs to determine the location of the front
edge.
Figure 2-20. Paper-size detection of leading edge
Yes
Yes
Yes
No
No
No
Er
ro
r
Re
tu
rn
E
rro
r typ
e
:
R
e
lo
ad Pap
e
r
Blac
k
lin
e = pap
e
r
edg
e
D
o
tt
ed
line =
Lef
t-
top
ed
ge
R
ight
-t
op
ed
ge
Lead
ing ed
ge
det
e
c
tio
n
Per
for
m
r
e
g
u
lar
flus
hing
St
op
su
ct
io
n
fa
ns
s
to
p
CR
moves
to 30mm
in
s
ide lef
t ed
ge
M
ax. revers
e
f
eed
200mm
P-Fr
on
t sens
or
= o
n
?
M
ax. revers
e
fe
e
d
,
P
-F
ron
t s
e
ns
o
r
Revers
e
f
eed +40mm
B
e
for
e
b
e
ginnin
g
t
h
is
pr
oc
edur
e, t
h
e pr
int
e
r m
u
st
d
e
term
in
e th
e s
e
n
s
o
r’s h
ig
h
and
low reflec
tion levels
(s
ee
pag
e
73).
CR m
o
ves
to p
res
et
pos
ition
P
-W
idt
h s
e
ns
o
r =
R
igh
t-
top edge
det
e
c
ted
?
Pr
in
te
r de
te
ct
s
lead
ing ed
ge
C
R
moves
t
o
30m
m
in
s
ide
r
igh
t e
d
g
e
Max. r
evers
e
feed and
feed p
a
per
unt
il
P-
F
ro
n
t =
of
f