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Preventing Ink Pools During Extended Power Outages
The Océ Arizona 500 requires continuous power. But in certain situations, loss of power
may be experienced due to uncontrollable events. When this occurs, the vacuum system that
maintains the ink in the printer will slowly begin to lose vacuum pressure. As vacuum
pressure is lost, the ink will slowly drain out of the printer's print heads.
If the printer is parked over the capping station, the ink will begin to drip out slowly onto
the sponges and into the waste recovery system and there is no adverse impact on the printer.
It will take 1-1/2 to 2 hours for all the ink to drain. When power is restored, the vacuum
pump will activate, restoring pressure and the ink will stop draining.
If polyethylene plastic film has been used to cap the printer, as recommended when the
printer will not be used for an extended period of time, the ink will not be able to drain into
the sponges. If this possibility exists, follow these steps:
1.
Use a long sheet of polyethylene plastic film (see Fig. 1).
2.
Place paper towels directly below the drip points below the printer head carriage/
capping station (see Fig.1-4). These towels, with the exception of the one placed on
the left of the carriage (see Fig. 4), may remain in place during the daily operation of
the printer.
If the printer loses power, the ink will slowly drain onto the polyethylene plastic film and
drip onto the paper towels.
When polyethylene plastic film is inserted between the print heads and capping station
sponges, the ink draining slows, and will completely drain in 12 to 24 hours.
With PAUSE ON POWER UP: ON, the printer will activate all major electronic systems
after a power failure, but not refill the ink reservoirs until an operator selects "ACCEPT"
from the control panel. When the printer is unattended this minimizes ink waste due to any
additional power failures. The amount of ink loss will be approximately 90 ml, or less
depending on the length of the power loss.
7/26/04
C-9
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