There are many different types of idiopathic headache with the pain in the back of the head, including epicrania fugax, nummular headache, cluster headache, and hemicrania continua. There is also a condition termed new daily persistent headache, which also belongs to this type and can cause a headache for several months.
Calculate Use: Multiply the number of pages per week (the average in a production environment is 100) by the number of weeks in a six-month period (26). A good estimate is that you will print 2,600 pages each six months. Now, take 2,600 and divide it by the number of pages the ink cartridge will print (225).
* Ink + ph price per cc considers the price of the cartridges (capacity of 69cc) and the price of the printheads (estimated black printhead life 690 cc and estimated color printhead is 414 cc). See the formula used below: Ink price / cc = cartridge price/cartridge capacity + printhead price/printhead estimated life. ** One square foot (ft2) of fully printed area. *** Ink + ph cost is the result of adding up black ink + black ph cost and color ink + color ph cost. **** Number of square feet (ft2) that can be printed with one set of 4 inks. Small figure (min) is for the color most used, the first to be replaced (monochrome file data only for black cartridge).