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3.4.6 Method of counting the number of toner replacements
This machine keeps the number of times that the toner cartridges are replaced and the page
counters to learn the usage of the machine. These counters will not be deleted even if the
power is turned OFF. The following tables explain the method of counting the counter values
when the toner cartridges are replaced.
<When a brand-new toner cartridge (unused) is inserted after “Replace Toner” is
displayed>
<When a toner cartridge which is not brand-new is inserted after “Replace
Toner” is displayed by toner sensor detection
*1
>
*1
Excluding a toner cartridge in use in which there is a little toner remained.
*2
The developing bias voltage is reset to the initial setting once when a toner cartridge which
is not brand-new is inserted. After resetting, the developing bias voltage correction is
performed so that the developing bias voltage is corrected according to the amount of
toner.
Corresponding counter, Setting value Operation
Counter of toner cartridge changes + 1
Page counter for each toner cartridge Reset (0)
Coverage for each toner cartridge Reset (0)
Developing bias voltage Reset (Initial setting)
Corresponding counter, Setting value Operation
Counter of toner cartridge changes No count up
Page counter for each toner cartridge Continued
Coverage for each toner cartridge Continued
Developing bias voltage Reset (Initial setting)
*2
Note:
While the parameters explained above are separately controlled for 4 color toners, the
same counting method is applied.
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