HP Deskjet 642c Printer - Manual (Page 57)

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Setup Instructions A
d Slide both paper guides to fit snug
against the paper’s edges.
3 Insert Print Cartridge
a Press Power button to turn on printer.
b Remove vinyl tape from print cartridges.
Do NOT touch or remove copper strip on print
cartridges.
c Open top cover.
d For each print cartridge, with the copper
electrical contacts toward the rear of the
printer and the print cartridge held vertically,
push the print cartridge firmly down into the
cradle.
Insert the black print cartridge in the right
cradle and insert the tri-color print cartridge in
the left cradle. You must insert both print
cartridges for the printer to operate.
e Close top cover.