HP Deskjet 1280 - User Guide
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... cartridge with black print cartridge It means... The print cartridge is either: 1 missing 2 improperly installed the wrong print cartridge for the printer 3 defective Insert print cartridge if there is an HP 51645 Series cartridge. 4 If the problem persists, replace the cartridge. Print cartridges OK Print cartridges are operational. If the arrow points to...
... cartridge with black print cartridge It means... The print cartridge is either: 1 missing 2 improperly installed the wrong print cartridge for the printer 3 defective Insert print cartridge if there is an HP 51645 Series cartridge. 4 If the problem persists, replace the cartridge. Print cartridges OK Print cartridges are operational. If the arrow points to...