HP Designjet T920 ePrinter series - Manual (Page 137)

● Status, see Front-panel error messages on page 185
● Volume of ink it has used
● Warranty status
You can also get some of this information from the HP Utility.
For an explanation of the printhead status messages, see Printhead status messages on page 178 .
If the warranty status is See warranty note, this indicates that expired ink is being used. If the warranty
status is Out of warranty, this indicates that non-HP ink is being used. See the limited warranty document
provided with your printer for details of the warranty implications.
Remove the printhead
CAUTION: Make sure the printer wheels are locked (the brake lever is pressed down) to prevent the printer
from moving.
CAUTION: Printhead replacement must be performed with the printer powered on.
1. From the front panel, press , then , then Replace printhead.
Alternatively, press , then , then Ink > Replace printhead.
The front panel may ask whether the replacement printhead is new or used.
NOTE: You can cancel the process at any time by pressing .
2. The front panel asks you to open the window.
ENWW Remove the printhead 129