Canon iR C6800 Series Service Manual page 1286

Chapter 15
15.8.1.5.3 <WST TNR >
Operation
Remarks
Memo: Entering the Pre Replacement Reading
Highlight the counter reading [1], and enter the reading indicated before the replacement.
[1]
F-15-27
15-222
waste toner counter (count retained by DC controller PCB)
If you have disposed of waste toner, reset the counter reading.
If you have replaced the DC controller, enter the reading indicated before the replacement.
The counts are made as follows:
Duty: 10% or less
B/W if small, counted as 1
if large, counted as 2
4C if small, counted as 4
if large, counted as 8
Duty:10% or more
B/W if small, counted as 3
if large, counted as 6
4C if small, counted as 12
if large, counted as 24
estimates at a color ratio of 10% and image duty of 5%.
T-15-449
0005-6777