Canon Multi-Pass Fax C855 waste tank reset code

Resetting the Waste Ink Volume Counter

1) Enter SERVICE MODE.....By pressing THEN #.
2) Select TEST MODE.
3) Select [8] PRINTER TEST in TEST MODE.
4) Select 3. [EEPROM CLEAR].
5) Select 0. [INK COUNT]. Let the printer complete its reset cycle (about 20 seconds).
6) Turn the printer off and on by unplugging the power cord and plugging it back in.