Canon BJC 6000 Service Manual - Page 79

Print Drive Method 1440 x 720 dpi, forward direction, d 720 x 720 dpi small dot

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BJC-6000 Part 4: Technical Reference b) 180 x180 dpi (large dot, forward direction) control mode In this mode, only 8 out of 16 nozzles in one block will be heated. This allows the carriage to travel faster than it would if all 16 nozzles were heated, resulting in faster printing. c) 360 x 360 dpi (large dot, forward direction) control mode In this mode, the nozzles that would have been heated simultaneously in a) multidrop drive will be heated sequentially one at a time from No.16 through No.1. d) 720 x 720 dpi (small dot, forward direction) control mode In this mode, two nozzles 8 nozzles, apart from the other, will be heated simultaneously, exactly the same way as in a) multi-drop drive mode, except that the two nozzles print with small dots. e) 360 x 360 dpi (large-large dot, forward direction) control mode In this mode, two nozzles, 8 nozzles apart from the other, will be heated simultaneously, exactly the same way as in a) multi-drop drive mode, except that the two nozzles print with large dots to increase the printing density. f) 1440 x 720 dpi (small-drop drive, forward direction) control mode This mode allows nozzles 4 nozzles apart from the other to be driven two at a time, separately, to print small dots at 1/360 intervals. 1) Odd/Even and Block ENABLE signals cause nozzles No. 16, 12, 8, 4, 4 nozzles apart one from one another to be heated separately, with No. 16 and No. 8 heated first, and then No. 12 and No. 4 next. 2) Then nozzles No. 15, 11, 7, and 3 those next to No. 16, 12, 8, 4, will be heated the same way. HSEL2A0(Rear) HSEL2B0(Front) HSEL1A0(Rear) HSEL1B0(Front) 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 HSEL2A1(Rear) HSEL2B1(Front) HSEL1A1(Rear) HSEL1B1(Front) 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1/1440 [inch] Carriage (left) 1/1440 [inch] Carriage (right) Direction of Carriage Movement Carriage (left) Carriage (right) Latch ODD EVEN BENB0 BENB1 HSEL1A0 HSEL1B0 HSEL2A0 HSEL2B0 HSEL1A1 HSEL1B1 HSEL2A1 HSEL2B1 Small dot 16 12 15 11 14 10 13 9 84736251 16 12 15 11 14 10 13 9 84736251 Figure 4-6 Print Drive Method (1440 x 720 dpi, forward direction) 4-7

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b) 180 x180 dpi (large dot, forward direction) control mode
In this mode, only 8 out of 16 nozzles in one block will be heated.
This allows the
carriage to travel faster than it would if all 16 nozzles were heated, resulting in
faster printing.
c) 360 x 360 dpi (large dot, forward direction) control mode
In this mode, the nozzles that would have been heated simultaneously in a) multi-
drop drive will be heated sequentially one at a time from No.16 through No.1.
d) 720 x 720 dpi (small dot, forward direction) control mode
In this mode, two nozzles 8 nozzles, apart from the other, will be heated
simultaneously, exactly the same way as in a) multi-drop drive mode, except that
the two nozzles print with small dots.
e) 360 x 360 dpi (large-large dot, forward direction) control mode
In this mode, two nozzles, 8 nozzles apart from the other, will be heated
simultaneously, exactly the same way as in a) multi-drop drive mode, except that
the two nozzles print with large dots to increase the printing density.
f) 1440 x 720 dpi (small-drop drive, forward direction) control mode
This mode allows nozzles 4 nozzles apart from the other to be driven two at a time,
separately, to print small dots at 1/360 intervals.
1) Odd/Even and Block ENABLE signals cause nozzles No. 16, 12, 8, 4, 4 nozzles
apart one from one another to be heated separately, with No. 16 and No. 8
heated first, and then No. 12 and No. 4 next.
2) Then nozzles No. 15, 11, 7, and 3 those next to No. 16, 12, 8, 4, will be heated the
same way.
4-7
BJC-6000
Part 4: Technical Reference
Figure 4-6 Print Drive Method (1440 x 720 dpi, forward direction)
Carriage (right)
Direction of Carriage Movement
Small dot
Latch
ODD
EVEN
BENB0
BENB1
HSEL1A0
HSEL1B0
HSEL2A0
HSEL2B0
HSEL1A1
HSEL1B1
HSEL2A1
HSEL2B1
1/1440 [inch]
HSEL1A0(Rear)
HSEL1B0(Front)
HSEL2A0(Rear)
HSEL2B0(Front)
16
15
14
13
12
11
10
8
5
9
7
6
4
3
2
1
1/1440 [inch]
HSEL1A1(Rear)
HSEL1B1(Front)
HSEL2A1(Rear)
HSEL2B1(Front)
16
15
14
13
12
11
10
8
5
9
7
6
4
3
2
1
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Carriage (left)
Carriage (left)
Carriage (right)