http://www.fixya.com/support/t445514-ink_waste_absorber


1. To clean physical pads: 
Open cover (as if replacing ink cartridge).
Locate waste ink pads, they are far right under cartridge slider.
Pry up waste ink pads (inky, might want to wear gloves).
Rinse pads in sink or with alcohol, dry. 
Replace pads. Make sure pads are fully seated. 



Zoránén bevállt (08.03.29)

2. To reset waste ink counter: 
-Press Menu-Scan-Copy-Scan to enter service menu. 
-Use arrow keys to scroll to “Service menu counter access”.
-Press OK. 
-Use arrow keys to scroll to “ABS-M DOT COUNT”
-Press Copy. 
-Use arrow keys to reset count to zero.
-Press OK. 
-Press Stop/Reset.