Canon S820MG Service Manual page 111

S900/ S820/ S750/ S520
4.1.2 If EEPROM settings adjustment is necessary
When replacing the logic board, depending on the waste-ink counter value, it may be
necessary to replace the ink absorber at the same time.
Refer to the table below.
Table 2-2 EEPROM SETTINGS WHEN REPLACING THE INK ABSORBER
Waste-inkcounter value
S900 / S820
S750 / S520
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0~7 7~25
Waste-ink Waste-ink
counter counter
clear set (25%)
Waste-ink Waste-ink
counter counter
clear clear
and
replace
ink absorber
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25~50 50~75
Waste-ink Waste-ink
counter counter
set (50%) set (75%)
 
75~100
Waste-ink
counter
clear
and
replace
ink absorber
