IBM Infoprint 6500-v05, Maintenance Manual

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Noise Levels
514
Table 9. 6500-v Nominal Print Rates of Graphic Images
PRINT QUALITY
DOT DENSITY
(DPI)
Note 1
CHARACTERS
PER INCH
DOT MATRIX
Note 2
PERFORMANCE
Plot Mode IPM
500 1000 1500 2000
CORRESPONDENCE
90 (180) x 96
10
12
15 7(13) x 9+3
6(11) x 9+3
(9) x 9+3
21 42 61 87
DATA PROCESSING
60(120) x 72
10
12
13.3
15
17.1
5(9) x 7+2
4(8) x 7+2
4(8) x 7+2
3(5) x 7+2
3(5) x 7+2
42 83 127 167
HIGH SPEED
60(120) x 48
10
12
13.3
5(9) x 5+1
4(7) x 5+1
4(7) x 5+1
62 124 186 250
Note 1 A (B) x C, where:
A is maximum horizontal dot density
B is horizontal dot placement density
C is vertical dot density
Note 2 D (E) x F + G, where:
D is maximum number of dots that may be placed
on
E horizontal positions
F is number of vertical dots for uppercase
symbols
G is number of dots available for descenders