Use Canon Pixma IP 1800 tools for permanent reset, here is the procedure, open general tool for canon pixma ip1880, if you don't have you can download at Download Page in Resetting Software / Tools For Canon Printer or from Rapidshare 1. Select USB port 2. Click lock release 3. Click ip1800 4. Click device id 5. Clear waste ink counter by clicking MAIN & PLATEN 6. Check EEPROM Box 7. Click EEPROM Dump 8. Test pattern 1 9. finished http://resettercanon.blogspot.com/ ...