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Ink back-up mode
The printer can operate with only one print cartridge installed. For more information,
see the ink back-up mode page.
Installation instructions
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 power button
2. Lift printer cover
3. Push down on print cartridge
4. Slide print cartridge out of 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.
HP Deskjet 3740 series printer
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