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).
Do not refill the ink cartridges. The printer calculates the amount of ink remaining using an IC chip on the ink cartridge. Even if the cartridge is refilled, the amount of ink remaining will not be recalculated by the IC chip and the amount of ink available for use will not change.1  Do not refill the ink cartridges. 2  The printer calculates the amount of ink remaining using an IC chip on the ink cartridge.lease note that some ink will be consumed during reliability-confirmation operations each time the cartridge is inserted into the printer. You can replace an ink cartridge using the printer's control panel or using the Status Monitor utility. Refer to the appropriate section below for instructions.