IJ4000 Impulse Jet
Appendix B: Theory of Operation
5765-018 Operations Manual Rev J
Page 59
Ink Out Detection
If the steady beacon light is ignored and a print head requests ink, a timer is started in the print head microcontroller. If the ink bottle is not
replaced within five minutes, then the beacon changes to a slow flash. In addition, print is disabled on all print heads on both IJ4000 tasks.
Ink Waste Collector Full
Upon filling the ink waste collector (separator) bottle, a float level detect raises inside the separator assembly. The feature disables both pumps
inside the S
MART
-IDS and illuminates the beacon with a fast flash. By disabling the pumps, overflow is not only prevented at the separator bottle,
but also at the print head by disabling the ACS feature. Additionally, the vacuum pump is prevented from pulling the ink into itself.
Once the ink separator bottle has been replaced or emptied, the S
MART
-IDS power switch must be toggled off then on to reset.
Ink Fault Detection
If an ink line is not plugged into a port or is broken, the pump will turn on for a maximum of ten seconds and then shut itself off if the print head
float sensor has signalled for shut off. After the pump cycle, the beacon will flash quickly. Functionality will emulate Ink Waste Collector Full.
Once the ink fault has been remedied, the S
MART
-IDS power switch must be toggled off then on to reset.
NOTE:
Never mix ink types because they are not miscible. Irreversible internal damage will occur.