Control panel power-on functions
Powering on the printer while pressing the Go button for varying amounts of time accesses
important printer functionality for resetting the printer, resetting NVRAM, and performing self-
tests. The general procedure for initiating a power-on function is as follows (refer to the table
for specific time ranges for the desired function):
1. Power off the device.
2. Press and hold the Go button.
3. Power the device back on while holding the Go button for the amount of time specified in
the table below for the desired function.
4. Release the Go button.
Note
Be sure that the light status is indicating the desired power-on function when the Go button is
released. If the light status is different than desired when the Go button is released, start the
procedure at step 1.
Power-on Functions: Time Ranges
Power-on Function Time-Range
(seconds)
Light Status Results and Notes
Cold reset Release Go 10 to 20
seconds after power-
up.
Attention: ON The lights begin cycling
from front to back. The
cold-reset process will
run until completion
and the printer will go
to the Ready state.
Continuous self-test Release Go 20 to 30
seconds after power-
up.
Attention: ON
Ready: ON
The Ready light blinks
indicating that the
device is in the
continuous self-test
mode. To terminate the
continuous self-test,
press Go.
NVMEM initialization Release Go 30 to 40
seconds after power-
up.
Attention: ON
Ready: ON
Go: ON
The lights begin cycling
from front to back. The
NVMEM initialization
process will run until
completion and the
printer will go to the
Ready state.
Error report Release Go 40 to 50
seconds after power-
up.
Ready: ON
Go: ON
The printer produces
an error report showing
the most recent error.
84 Chapter 6 Troubleshooting ENWW
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