Lexmark C734DN Wireless Setup Manual page 9

Firmly shake the toner cartridge side-to-side and front-
to-back several times to distribute the toner.
Remove the red packing material from each toner
cartridge.
Place each toner cartridge back into the printer.
Pull out on each side of the packing strip, and then pull
it forward to remove it from the transfer module.
Remove the red packing strip from the top of each
photoconductor.
Setting up the printer
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