FIELD: printing industry.
SUBSTANCE: in one embodiment, the fluid ejection device includes a slotted ink hole formed in the print head crystal. The fluid ejection device also includes an ink level sensor (PILS) built into the print head to measure the ink level of the camera in fluid communication with the slotted hole and a resistor cleaning circuit inside the chamber to clean this chamber of ink.
EFFECT: increase the accuracy of determining the ink level.
8 cl, 13 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| INK LEVEL SENSOR AND METHODS ASSOCIATED WITH IT | 2011 |
|
RU2561029C1 |
| FLUID MEDIUM LEVEL SENSOR AND RELATED METHODS | 2011 |
|
RU2572766C2 |
| PRINTHEADS WITH SENSOR PLATE IMPEDANCE MEASUREMENT | 2014 |
|
RU2654178C2 |
| SELECTORS FOR NOZZLES AND MEMORY ELEMENTS | 2017 |
|
RU2747446C1 |
| CONTROL INPUT SIGNALS PASSING ALONG SIGNAL PATHS | 2016 |
|
RU2710691C1 |
| INTEGRATED CIRCUIT WITH ADDRESS SHAPERS FOR THE JET MATRIX | 2019 |
|
RU2780403C1 |
| CRYSTAL FOR THE PRINT HEAD | 2019 |
|
RU2778376C1 |
| FLUID EJECTION APPARATUSES INCLUDING A FIRST MEMORY AND A SECOND MEMORY | 2019 |
|
RU2779068C1 |
| COMPACT PRINTING HEAD FOR INK-JET PRINTING | 2001 |
|
RU2279983C2 |
| FLUID EJECTION DEVICE WITH SINGLE CONNECTOR FOR POWER SUPPLY | 2013 |
|
RU2648347C2 |
