Epson SureColor F9370 User Manual page 17

Chip unit status
The chip unit status (1) changes from normal (left) to warning or error
status (right) if necessary.
The ink color is shown below (2).
• HDK: High Density Black
• Y: Yellow
• M: Magenta
• C: Cyan
Remaining ink level indicators
Ink is low
Ink is nearing the end of its life. Check the remaining ink in the ink tank
using the scale on the ink pack and, if necessary, refill the ink and
replace the chip unit.
Ink is out and printing is stopped. Replace the chip unit and refill the ink.
A chip unit for automatic charging is mounted. When ink gets low, a low
ink warning does not appear. If the icon is flashing, the chip has been
removed.
The lock lever is raised; automatic charging cannot occur. Lower the lock
lever.
The chip unit is mounted incorrectly or incompatible.
Check the displayed chip unit message.
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