USPS Barcode and Labeling Issues 3

Question 1

A bulk mailing tray label shows the 5-digit ZIP destination as '9021O' (the letter O instead of zero). What type of error is this?

Accepted Answer

An OCR-confusable character substitution that can cause misrouting of the entire tray

Answer

Substituting the letter 'O' for the digit '0' is a common OCR-confusable error that can route an entire tray of mail to the wrong facility.

Question 2

A mailer's software generates a Delivery Point Barcode (DPBC) using an address that has not been CASS-certified. What is the likely consequence?

Accepted Answer

The DPBC may encode an incorrect or non-existent delivery point, causing misdelivery

Answer

Without CASS certification, addresses may contain errors that cause the generated barcode to encode an invalid or wrong delivery point.

Question 3

A label on a First-Class package shows two different ZIP codes: one in the printed address block and a different one encoded in the barcode. Which takes precedence during automated processing?

Accepted Answer

The barcode takes precedence during automated sorting, potentially overriding the correct destination

Answer

Automated sorting equipment reads and acts on the barcode first, so a barcode encoding a wrong ZIP will route the piece incorrectly even if the printed address is correct.

Question 4

A presort mailing uses red ink to print barcodes on white envelopes. Why would this cause processing problems?

Accepted Answer

USPS scanners use infrared light that cannot distinguish red ink from a white background, making the barcode unreadable

Answer

USPS barcode scanners use near-infrared illumination, and red ink reflects infrared similarly to white paper, rendering the barcode invisible to the scanner.

Question 5

An envelope label lists the return address in the delivery address area and the delivery address in the return address area. What processing error will result?

Accepted Answer

Mail will be delivered or returned to the wrong party because automated systems use address position to determine routing

Answer

Automated systems use the position of address blocks to determine destination versus return routing, so swapped addresses cause delivery to the wrong recipient.

USPS Error Detection Test Practice Test

USPS Error Detection Test Practice Test

USPS Barcode and Labeling Issues 3