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Printronix ThermaLine Series Printer User Manual

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5–111Bar Codes

UPC–E and UPC–E0

The UPC–E and UPC–E0 bar code structure is shown in Figure 5–29 and

described on the following pages.

QUIET

ZONE

QUIET

ZONE

DATA

FIELD

START

CODE

STOP

CODE

NUMBER

SYSTEM

CHARACTER

N

OPTIONAL

CHECK

DIGIT

HEIGHT

SR, SC

C

CHECK

DIGIT

N

START CODE

NUMBER

QUIET

ZONE

SR, SC

POSITION

QUIET

ZONE

C

CHECK

DIGIT

STOP CODE

CHECK

DIGIT

SYSTEM

DATA

FIELD

NUMBER

CHARACTER

CHARACTER

CHARACTER

POSITION

OPTIONAL

READABLE

DATA

FIELD

FIELD

NUMBER SYSTEM

CHARACTER FIELD

CHARACTER

SYSTEM

READABLE

DATA FIELD

N

START CODE

NUMBER

QUIET

ZONE

SR, SC

POSITION

QUIET

ZONE

C

CHECK

DIGIT

SYSTEM

DATA

FIELD

NUMBER

CHARACTER

OPTIONAL

READABLE

DATA

FIELD

FIELD

CHARACTER

SYSTEM

CHECK

DIGIT

CHARACTER

STOP CODE

DATA

N

CHECK

DIGIT

C

FIELD

QUIET

ZONE

QUIET

ZONE

HEIGHT

NUMBER SYSTEM

CHARACTER

CHECK DIGIT

CHARACTER

2– or 5–

DIGIT

ADD–ON

CODE

2– or 5–

DIGIT

ADD–ON

CODE

2– or 5–

DIGIT

ADD–ON

CODE

2– or 5–

DIGIT

ADD–ON

CODE

HEIGHTHEIGHT

STOP

CODE

Figure 5–29. UPC–E and UPC–E0 Structure

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