How reset the printer maintenance counter for the lexmark t642

With the printer shut down keep press simultaneously ok key and right key then power up the printer. take the fingers after 3 seconds on the key now u should be in the meniu look for maintenance conter and select erase and that should do it. Tell if it worked, see ya

Here's an article in the Lexmark website on 80 Scheduled Maintenance" Message Appearing on a Lexmark T640, T642, T644, or an X64xe Series Printer. Included in this article are instructions on Resetting the maintenance counter to zero. Just click on this link: http://bit.ly/9pzU7R. Read thoroughly and follow the instructions carefully. Scroll down for the instructions on resetting the maintenance counter.

NOTE: RESETTING THE MAINTENANCE COUNTER SHOULD ONLY BE DONE ONLY AFTER REPLACING A NEW MAINTENANCE KIT.