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Hi, we have a HP DesignJet XL 3800 does not go to sleeping mode after the time we have specified. The control panel does not go blank, so I think it is in active mode.
I have updated the printer to the latest firmware release 6.19.38.
Does anyone have a suggestion?
HP Recommended
We have found on other ink based HP devices that if ANY supply is low the device will not go into sleep mode. Not sure if this is to keep it from going through a purge cycle on wakeup and possibly starving the ink supply and causing an air bubble or just a quirk of firmware.
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