Print media amount determination
AssigneeHewlett-Packard Development Company, L.P.
InventorsWei Lit Teoh, Li-Wen Benedict Tan, Eugene Goh, Angel Astorgano-Ballesteros, Ken Ko
Life of this patent
Estimating the term…
Abstract
The present subject matter describes determination of amount of print media present in an input tray of a printing system. In an example implementation of the present subject matter, a current operating torque of a motor that moves a pick arm for drawing print media from the input tray is monitored. The current operating torque is monitored while the pick arm is moved between a rest position and a pick-ready position. Based on the monitored operating torque, it is determined whether amount of print media present in the input tray is one of below and above a predefined amount of print media.
Claims15
A method comprising:
- monitoring a current operating torque of a motor that moves a pick arm for drawing print media from an input tray of a printing system, wherein the current operating torque is monitored while the pick arm is moved between a rest position and a pick-ready position, after a specific number of rotations of the motor from a time instance when the motor starts to move the pick arm from the rest position;
- and
- determining, based on the monitored current operating torque, whether an amount of print media present in the input tray is one of below and above a predefined amount of print media.
A printing system comprising:
- an input tray;
- a pick arm for drawing print media from the input tray;
- a motor to move the pick arm between a rest position and a pick-ready position;
- and
- a print media detector coupled to the motor, wherein the print media detector is to:
- operate the motor to move the pick arm;
- monitor a current operating torque of the motor while the pick arm is moved between the rest position and the pick-ready position, wherein the current operating torque is monitored after a specific number of rotations of the motor from a time instance when the motor starts to move the pick arm from the rest position;
- and
- determine, based on the monitored current operating torque, whether an amount of print media present in the input tray is one of below and above a predefined amount of print media.
A non-transitory computer-readable medium comprising computer-readable instructions, the computer-readable instructions when executed by a processor, cause the processor to:
- operate a motor that moves a pick arm for drawing print media from an input tray of a printing system;
- monitor a current operating torque of the motor while the pick arm is moved between a rest position and a pick-ready position, wherein the current operating torque of the motor is monitored after a specific number of rotations of the motor from a time instance when the motor starts to move the pick arm from the rest position;
- and
- determine, based on the monitored current operating torque, whether an amount of print media present in the input tray is one of below and above a predefined amount of print media.
Dependencies are inferred from the claim text.