This bulk ink item is compatible with the following Hewlett Packard inkjet printers:

HP Fax 640

Approximate Refills - 28 Times

Running low on printer ink and already have a Our Ink refill kit? This is the place you need to be!  Instead of buying an entire kit, save some money purchasing bulk ink.  Our bulk inks are available in 4oz, 8 oz, 16oz, 32 oz (quart) and 128 oz (gallon) size bottles. Please note that bulk inks do not ship with refilling tools or instructions. Instructions are only shipped with inkjet refill kits.