COPIER> COUNTER> LF---for all colors
To display how much it is close to the end of life that is calculated from the value stored in the Drum Unit Memory PCB in percentage (%).
When a new part is set, the value becomes 0%.
It cannot be changed manually.
Use case = When checking the life of Drum Unit
Display/adj/set range 0 to 999
Unit 1 %
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Drum Unit Life Detection
Life of the Drum Unit (Photosensitive Drum) is detected.
This machine does not have a Photosensitive Drum film thickness detection mechanism
so the change in the film thickness is calculated by the rotation time of the Photosensitive
Drum + time that the primary charging DC bias is applied.
Detection description
1) The count value for the drum life is calculated by the rotation time of the Photosensitive
Drum + time that the primary charging DC bias is applied as well as the time that the
developing AC bias is applied.
2)
The count value calculated in step 1 of "Control description" is added to the drum
count value stored in the Drum Unit Memory PCB of the Drum Unit.
NOTE:
The life (displayed in %) can be checked by the following service mode:
• Drum counter life display (Y)
COPIER > COUNTER > LF > Y-DRM-LF
• Drum counter life display (M)
COPIER > COUNTER > LF > M-DRM-LF
• Drum counter life display (C)
COPIER > COUNTER > LF > C-DRM-LF
• Drum counter life display (Bk)
COPIER > COUNTER > LF > K-DRM-LF
PT-DRM Drum Unit (Bk) parts counter---same for
Drum Unit (Y)/Drum Unit (M)/Drum Unit (C)
Lv.1 Details
1st line: Total counter value from the previous replacement
2nd line: Estimated life
The value stored in the Drum Unit Memory PCB is displayed.
It cannot be changed manually.
Use case
When checking the consumption level of parts/replacing the parts
Adj/set/operate method =
To clear the counter value: Select the item, and then press Clear key.■
To change the estimated life: Select the item, enter the value, and
then press OK key.
Caution - none
Display/adj/set range = 0 to 99999999
Default value = 0
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