Brother MFC-J3520 Service Manual page 341

- Selectors 6 and 7: Periodical purging intervals
These selectors allow you to select the periodical purge interval to reduce ink
consumption.
Setting these selectors "0, 0" (Prescribed purge intervals) performs purging at the
intervals.
Setting these selectors to "1, 0" (30 days (black), no purge (color)) disables the
setting made by selector 4.
Setting these selectors to "1, 1" (No purge (black and color)) disables the settings
made by selectors 4 and 8.
Selector
No.
Uneven printing correction for
1 upper and lower ends of the
nozzle
2
| Not used.
4
Jam reduction paper feed
5
mode
6
Adjustment of print head drive
|
voltage rank
8
- Selector 1: Uneven printing correction for upper and lower ends of the nozzle
If performing the correction lowers the print quality due to wrong nozzle property
data, set this selector to "1" to disable the correction function.
- Selector 5: Jam reduction paper feed mode
Setting this selector to "1" lowers the paper feeding speed when the recording paper
passes along the star wheels for reduction of jams.
- Selectors 6 through 8: Adjustment of print head drive voltage rank
This selector regulates the print head drive voltage rank for adjusting the ink drop
amount.
If the black section printed on glossy paper is greenish or the printed ink does not dry
quickly, increase the print head drive voltage rank to decrease the ink drop amount; if
it is reddish, decrease the rank to increase the ink drop amount.
AMS05
(Printing assurance 3)
Function
5-70
Setting and Specifications
0: ON (default) 1: OFF
0: Disable (default) 1: Enable
No. 6 7 8
0 0 0: +0
1 0 0: -0
0 0 1: +1
0 1 0: +2
0 1 1: +3
1 0 1: -1
1 1 0: -2
1 1 1: -3
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