Using
Abbreviations
for
A
ttribute
Names
and
V
alues
attribute
is
true ,
indicating
that
it
is
registered.
In
this
situation,
y
ou
can
determine
whether
the
ph
ysical
prin
ter
can
still
comm
unicate
with
the
sp o oler
b
y
issuing
the
pddisable
command
follo w
ed
b
y
the
pdenable
command
to
enable
the
ph
ysical
prin
ter
again.
When
y
ou
enable
a
ph
ysical
prin
ter,
it
tries
to
con
tact
the
appropriate
sp o oler
to
indicate
that
it
is
ready
for
a
job.
HPDPS
issues
an
error
message
if
the
ph
ysical
prin
ter
cannot
comm
unicate
with
the
sp o oler.
Responding
to
Physical
Printer
State
Problems
The
following
describ es
the
normal
sequence
of
prin
ter
states
for
an
enabled
and
ready
prin
ter
as
it
w
aits
for,
receiv
es,
and
completes
jobs.
1.
The
ph
ysical
prin
ter
state
is
idle
and
the
ph
ysical
prin
ter
is
ready
to
accept
a
job.
2.
The
ph
ysical
prin
ter
receiv
es
a
job
and
the
prin
ter
state
c
hanges
to
connecting-to-printer
while
the
ph
ysical
prin
ters
tries
to
lo
c
k
the
prin
ter
device.
3.
The
ph
ysical
prin
ter
successfully
lo
c
ks
the
prin
ter
device
within
the
amoun
t
of
time
sp ecied
b
y
its
printer-timeout-period
attribute.
The
prin
ter
state
c
hanges
to
printing
while
job
prin
ts.
4.
The
prin
ter
device
nishes
the
job
and
the
ph
ysical
prin
ter
state
returns
to
idle .
The
ph
ysical
prin
ter
is
ready
for
a
new
job.
The
following
ph
ysical
prin
ter
states
indicate
problems
with
the
ph
ysical
prin
ter
device:
needs-key-operator
timed-out
Printer
needs-k
ey-operator
Problem
A
ph
ysical
prin
ter
en
ters
the
needs-key-operator
state
when
it
lo
c
ks
the
prin
ter
device
but
cannot
prin
t
b ecause
it
encoun
ters
an
error.
In
this
case
HPDPS
automatically
disables
the
ph
ysical
prin
ter
and
requeues
the
job
to
the
sp o oler.
After
y
ou
x
the
prin
ter
problem,
y
ou
m
ust
enable
the
ph
ysical
prin
ter
Managing
Supervisors
and
Physical
Printers
10-13