Ricoh M001 Service Manual page 196

Printer Engine Service Mode
3-0-03
This SP displays the count for the number of toner bottles used. The count is
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done based on the assumption that one toner bottle yields about 1,000
printed pages.
3-0-05
This SP displays (as a percentage) the amount of toner remaining. This
precise method of measuring remaining toner supply (1% steps) is better
8801
than other machines in the market that can only measure in increments of
10 (10% steps).
[0 to 100/0/1]
3-2-03
8851
These SPs count the percentage of dot coverage for K toner.
[0 to 9999999]
8851 011 0 to 2%:BK
8851 021 3 to 4%:BK
8851 031 5 to 7%:BK
8851 041 8 to 10%:BK
3-2-04
This SP counts the number of prints that had a percentage of black dot
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coverage in the range 11-20%.
[0 to 9999999]
M001
Pixel Coverage Ratio
Toner Remain
Toner Coverage 0-10%
Toner Coverage 11-20%
5-82 SM