Quality control
6-18
Generic MICR Fundamentals Guide
The following table identifies the signal level tolerances for all of
the MICR characters. These standards are required by ANSI
standards; tolerances for other standards might vary.
Example: A dash symbol has a nominal signal level of 67. If a
signal level reading of 65 is taken of this symbol, the result would
be 97% ((65 ± 67) x 100 = 97%), which is an acceptable
specification range.
Distortions of the waveforms can be caused by a MICR character
that is noticeably skewed, by extraneous ink spots, or by a void
that exceeds specifications.
The following figure shows a graphic display of the magnetic
footprint for each MICR character. The number above a
waveform peak is the nominal signal strength value. The
waveforms shown here are for ideal characters.
Table 6-1. Signal level tolerances
Character
Peak
number
Minimum
(50%)
Nominal
(100%)
Maximum
(200%)
0
1
78
130
260
1
2
51
85
170
2
1
63
105
210
3
1
51
85
170
4
3
63
105
210
5
1
63
105
210
6
5
63
105
210
7
1
45
75
150
8
4
63
105
210
9
1
99
165
330
dash
3 and 5
40
67
134
transit
3
63
105
210
amount
1 and 5
42
70
140
On-Us
3 and 5
60
100
200
Summary of Contents for 6100BD - Phaser Color Laser Printer
Page 1: ...January 2003 701P22140 Xerox Document Services Platform Generic MICR fundamentals guide...
Page 17: ...Overview Generic MICR Fundamentals Guide 1 7 Figure 1 2 Life cycle of a check...
Page 22: ...Overview 1 12 Generic MICR Fundamentals Guide...
Page 46: ...Paper facts 3 18 Generic MICR Fundamentals Guide...
Page 74: ...Document design 4 28 Generic MICR Fundamentals Guide...
Page 86: ...Document processing 5 12 Generic MICR Fundamentals Guide...
Page 105: ...Quality control Generic MICR Fundamentals Guide 6 19 Figure 6 12 E13B characters and waveforms...
Page 146: ...Security 8 18 Generic MICR Fundamentals Guide...
Page 150: ...References A 4 Generic MICR Fundamentals Guide...
Page 164: ...Glossary Glossary 14 Generic MICR Fundamentals Guide...
