HP Deskjet 642c Printer - Manual (Page 7)

7
4 Slide both paper adjusters to fit snugly against the paper’s
edges. Step 5: Insert print cartridges
1 Press the Power button to turn on the printer.
The Power light comes on.
2 Open the top cover.
The print cartridge cradle moves to an accessible position,
and the Resume
light flashes.
3 Remove the print cartridges from their individual packages.
Cartridge cradle
Resume light (flashes)
Power light (on)