Control-panel power-on functions (HP LaserJet 1010
series printers)
Turning on the printer while pressing the G
O
button for varying amounts of time provides important printer
functionality for resetting the printer, resetting NVRAM, and performing self-tests. Use the following
procedure to initiate a power-on function, see
on page 100 for the specific time ranges for the power-
on functions.
1 Turn off the printer.
2 Press and hold the G
O
button.
3 Turn the printer on again while holding the G
O
button for the amount of time specified in Table 6-2
Power-on functions: time ranges (HP LJ 1010 series printers only) on page 100 for the function
that you want to complete.
4 Release the G
O
button.
NOTE Make sure that the lights indicate the function when you release the G
O
button. If the
light status indicates the wrong function when you release the G
O
button, restart the power-on
procedure.
Table 6-2 Power-on functions: time ranges (HP LJ 1010 series printers only)
Power-on function Time range (seconds) Light status Results and notes
Cold reset Release G
O
10 to 20
seconds after power-up.
A
TTENTION
: on
R
EADY
: off
G
O
: off
The lights begin cycling from
front to back. The cold-reset
process runs until completion,
and then the printer enters the
Ready state.
Continuous self-test Release G
O
20 to 30
seconds after power-up.
A
TTENTION
: on
R
EADY
: on
G
O
: off
The Ready light blinks,
indicating that the device is in
the continuous self-test mode.
To terminate the continuous
self-test, press the G
O
button.
NVRAM initialization Release G
O
30 to 40
seconds after power-up.
A
TTENTION
: on
R
EADY
: on
G
O
: on
The lights begin cycling from
front to back. The NVMEM
initialization process runs until
completion, and then the
printer enters the Ready state.
Error report Release G
O
40 to 50
seconds after power-up.
A
TTENTION
: off
R
EADY
: on
G
O
: on
The printer produces an error
report that shows the most
recent error.
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