Printronix ThermaLine Series manual Postnet

POSTNET

The POSTNET bar code structure is illustrated in Figure 5±24 and

Figure 5±25 and described on the following pages. The POSTNET code can be a part of the address block and appear anywhere within a vertical 4±inch area across the length of the mailpiece.

Return Address Area Postage Area

	ADDRESS BLOCK BAR CODE READ AREA
1/2º	1/2º
	4º
	SR, SC
	POSITION

CLEAR ZONE

START CODE

CLEAR ZONE

BAR CODE DATA FIELD

STOP CODE

CLEAR ZONE

CLEAR ZONE

CHECK DIGIT

NOTE: Illustration is not to scale

Figure 5±24. POSTNET Structure

NOTE: Additional information regarding POSTNET bar code requirements can be obtained from the U.S. Postal Service's Publication 25: A Guide to Business Mail Preparation.

5±98 Bar Codes