HP Deskjet 450 Mobile Printer series - Manual (Page 10)

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Step 4: Turn on the printer
1 Lift the input tray to its open position.
2 Press the P OWER BUTTON to turn on the printer.
Step 5: Install the print cartridges
1 Remove each print cartridge from its package, and then pull the colored tab
to remove the protective film from each cartridge.
2 Open the front access cover. Wait for the carriage to go to the “print
cartridge change” position. This should take only a few seconds.
*Print cartridge change position.
To prevent clogs, ink failure, and bad electrical connections, do not touch the
ink nozzles or copper contacts on the print cartridges.
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