HP Officejet Pro 6968 has a new black ink cartridge but the paper is blank. The printer works fine, the page is just blank. Does anyone know if the 3 color cartridges have to be full to print in black ink?
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HP Officejet Pro 6968 has a new black ink cartridge but the paper is blank. The printer works fine, the page is just blank. Does anyone know if the 3 color cartridges have to be full to print in black ink?