12 Troubleshoot other issues
The printer does not start
1. Check that the power supply to the printer is working.
2. Check that the main power switch and PC switch are both on.
3. Check that the main power lights are on and the circuit breakers are all up.
4. Check that the IPS is working with no alerts showing.
5. Try turning the main switch o (not the PC switch) and turning it on again after 10 seconds.
6. If any of the circuit breakers trip (from up to down) while the printer is operating, switch o the printer
and call your service representative (see HP Customer Care Centers on page 341).
The printer does not print
If all is in order (substrate loaded, all ink components installed, and no le errors), there are still reasons why
a le you have sent from your computer may not start printing when expected:
●
You may have an electrical power problem. If there is no activity at all from the printer, nor from its
built-in computer, check that the power cables are connected correctly and that there is power available
at the source.
●
You may be experiencing unusual electromagnetic phenomena, such as strong electromagnetic elds or
severe electrical disturbances, which can cause the printer to behave strangely or even stop working. In
this case, turn o the printer, wait until the electromagnetic environment has returned to normal, then
turn it on again. If you still experience problems, call your service representative (see HP Customer Care
Centers on page 341).
The printer cannot be restarted from the Internal Print Server
In rare cases, the printer may be unresponsive to the Shutdown and Wake up buttons. If this happens, turn
o the main switch, then turn it on again after 10 seconds and restart the built-in computer.
The printer seems slow
You may experience a temporary delay while the printer's drying and curing modules are warming up.
In some circumstances, the printer will deliberately print more slowly than usual to prevent the printheads
from overheating. There are several possible reasons why a printhead may start to overheat:
●
The room temperature is too high.
●
The printhead is suering from blocked nozzles (see Check and clean the printheads on page 122).
●
The printhead is faulty and should be replaced.
ENWW The printer does not start 339
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