Since your printer consumes ink not only for printing but also for other operations like cleaning, a certain amount of ink is wasted and it is collected by the waste ink pad. Therefore, the printer counts the amount of waste ink.Once the amount of waste ink reaches the predefined limit, the printer indicates "MAINTENANCE REQUEST" and the waste ink pad should be replaced. Also, you must reset the maintenance error condition and the waste ink counter value stored in EEPROM on the mainbord of the ....
Printer Repair And Service Tools
