Canon CXDI-31 Service Manual page 110

5) As the step (3)-6), create a graph based on the data measured in step 4), and make sure that
the data from the minimum density to the maximum density nearly form a straight line.
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31
Ideal Density Data for Linear Line
Step 1 2
3.2 D 0 0.10
3.1 D 0 0.10
12 Bit 0 132
8 Bit 0
Step 12 13
3.2 D 1.14 1.24
3.1 D 1.10 1.20
12 Bit 1453 1585
8 Bit 90 98
Step 23 24
3.2 D 2.27 2.37
3.1 D 2.20 2.30
12 Bit 2906 3038
8 Bit 180 188
2 Installation Manual
Step
3 4 5
0.21 0.31 0.41
0.20 0.30 0.40
264 396 528
8 16 24
14 15 16
1.34 1.45 1.55
1.30 1.40 1.50
1717 1849 1981
106 114 122
25 26 27
2.48 2.58 2.68
2.40 2.50 2.60
3170 3302 3434
196 205 213
- 84 -
6 7
0.52 0.62 0.72
0.50 0.60 0.70
660 792
32 41 49
17 18 19
1.65 1.75 1.86
1.60 1.70 1.80
2113 2245 2377
131 139
28 29 30
2.79 2.89 2.99
2.70 2.80 2.90
3566 3698 3830
221 229
Max setting
density
Film base
density
8 9 10
0.83 0.93
0.80 0.90
924 1056 1188
57 65 74
20 21
1.96 2.06
1.90 2.00
2509 2641
147 155 164
31 32
3.10 3.20
3.00 3.10
3962 4095
238 246 255
11
1.03
1.00
1320
82
22
2.17
2.10
2774
172