why are there two black ink cartridges in my hp 7520 printer

Why does my HP printer have two black cartridges?

HP’s “better” photo printers use a separate Photo Black cartridge. Photo Black has black ink that uses the same composition used it our color cartridges. It is in essence a black “color” cartridge. This results in higher quality photos with longer fade resistance.

Why are there two black inks?

0:201:45Why Do I Have Two Black Ink Cartridges? – YouTubeYouTubeStart of suggested clipEnd of suggested clipNot exactly in general the to black ink cartridges contain different types of ink used for differentMoreNot exactly in general the to black ink cartridges contain different types of ink used for different purposes. The smaller of the two usually contains regular dye based ink. Similar to the color inks.

Do you need both ink cartridges for a HP printer to work?

Ink is required in all cartridges to print and to perform periodic servicing to prevent clogs and other print quality issues. There is no way to bypass this feature. If one of the following messages displays, replace the indicated cartridge to continue printing.

Can I use my HP printer with only black cartridge?

Yes, display on printer will show low or no color ink in cartridge but as long as their is ink in your black ink cartridge you will be okay.

What is the difference between PGBK and BK cartridges?

What’s the difference between PGBK and BK? PGBK ink is intended for uses like text, it’s smudge resistant and good for fine lines. BK ink is intended for photographs, it’s richer. The printer defaults to PGBK for text, lines etc – unless it thinks they are part of a photo.

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