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US 10,663,878 B2Granted
Applying a corrective voltage
AssigneeHP Indigo B.V.
InventorsSasi Moalem, Shmuel Borenstain, Amit Levi, Ronen Friedman, Moshe Issic
Life of this patent
Estimating the term…
Abstract
In one example, a method is described that includes a processor detecting a voltage of a photoconductor layer of a printing device, comparing the voltage of the photoconductor layer to a threshold voltage, and applying a corrective voltage to a charging unit or to a transfer member when the voltage of the photoconductor layer exceeds the threshold voltage.
Claims20
A method, comprising:
- detecting a voltage of a photoconductor layer of a printing device;
- detecting an improper grounding of the photoconductor layer by comparing the voltage of the photoconductor layer to a threshold voltage;
- and
- when the voltage of the photoconductor layer exceeds the threshold voltage, applying a corrective voltage to a charging unit.
1 more element
A device comprising:
- a processor;
- and
- a voltage measuring unit to provide input to the processor;
- the processor to register a voltage of a photoconductor layer of a printing device prior to an erase operation and subsequent to a charging operation and apply a corrective voltage when the voltage of the photoconductor layer exceeds a threshold voltage.
1 more element
A method, comprising:
- detecting a voltage of a photoconductor layer of a printing device, wherein the voltage of the photoconductive layer is detected between a pre-transfer erase (PTE) unit and a charging unit;
- comparing the voltage of the photoconductor layer to a threshold voltage;
- applying a corrective voltage to the charging unit for charging the photoconductor layer or a transfer layer for transferring an image from the photoconductor layer;
- and
- providing an indication to a user that the corrective voltage has been applied to the photoconductor layer and it is safe to open the printing device.
2 more elements
Dependencies are inferred from the claim text.