Super Fine Interlace Processing (720Dpi - Brother MP-21C Service Manual

1.2

Super Fine Interlace Processing (720dpi)

This is a method to perform printing using nozzles moved at 4/360 inch pitch using
nozzles spaced at 2/360 inch pitch. Fig. 2.2 below shows the relationship between the
printing area and the line feed amount for each head print pass.
pass2
pass3
pass4
pass5
pass6
pass7
pass8
Area covered by
the printing head
The printing operation is performed by repeating the following sequence:-
(30/720 line feeding + 30 nozzle printing + 30/720 line feeding + 30 nozzle printing +
30/720 line feeding + 30 nozzle printing + 33/720 line feeding + 30 nozzle printing +
30/720 line feeding + 30 nozzle printing + 30/720 line feeding + 30 nozzle printing +
30/720 line feeding + 30 nozzle printing + 27/720 line feeding + 30 nozzle printing +).
Detailed operations in the fine interlace processing are the same as those in the normal
interlace processing.
pass1 (Position to start to printing)
pass2
pass3
pass4
pass5
pass6
pass7
pass8
pass1
Interlace table 1
Interlace table 2
Interlace table 3
Interlace table 4
Interlace table 5
Interlace table 6
Interlace table 7
Interlace table 8
Interlace table 1
pass2
Interlace table 2
Interlace table 3
Interlace table 4
Interlace table 5
Interlace table 6
Interlace table 7
Interlace table 8
Fig. 2.2
II-2
(Line feed amount)
62/1440
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62/1440
62/1440
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62/1440
62/1440
62/1440
62/1440
62/1440
62/1440
62/1440
62/1440
62/1440
62/1440
62/1440