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HP De s k J e t 6 9 0 C S e rie s P rin t e rs | P rin t Cart rid g e Cle an in g Ro u t in e |
Print Cartridge Cleaning Routine
If rows of dots are missing on printouts, try cleaning the print cartridge by using the print cartridge cleaning routine in the printer. Refer to "Troubleshooting Information/Printer Diagnostic Information/Print Cartridge Cleaning."