HP 3900 series - Manual (Page 43)

Note This feature might not be available in your operating environment.
Ink-backup mode
The printer can operate with only one print cartridge installed. For more information,
see
Ink-backup mode .
Installation instructions
Follow these steps to install a print cartridge:
1.
Press the Power button to turn on the printer.
2. Open the printer cover.
The cradle moves to the center of the printer.
3. Push down on the print cartridge and slide it out of the print cartridge cradle.
1 Press the Power button.
2 Lift the printer cover.
3 Push down on the print cartridge.
4 Slide the print cartridge out of the cradle.
4. Remove the replacement print cartridge from its packaging and carefully remove
the plastic tape. Hold the print cartridge so that the copper strip is on the bottom
and facing toward the printer.
1 Remove the pink tape only.
Caution Do not touch the print cartridge ink nozzles or copper contacts.
Touching these parts will result in clogs, ink failure, and bad electrical
connections. Do not remove the copper strips. They are required electrical
contacts.
User's guide 41