Barcode help · Revised

How to print barcode labels at home

A compatible inkjet or laser printer can produce useful barcode labels, but the label material, sheet layout and print scale all need to match. Begin with a plain-paper alignment test, then check a finished label on its intended surface before printing the batch.

Prepare a sheet from your barcode data. Add optional text, select a layout and export a PDF for a test print.

Open label sheets

Check three things before opening the template

Have plain paper, a ruler, the label pack’s layout specification and the actual scanning device or application available. For retail products, also obtain the customer’s barcode artwork requirements before designing around the smallest label in the cupboard.

Match the sheet, not just the label count

Two sheets can have the same number of labels but different top margins, side margins or gaps. Match page size, individual label dimensions, columns, rows and pitch—the distance from one label’s starting edge to the next.

Examples of layouts in this generator, checked against its template definitions
Page and layout referenceIndividual labelPlanning check
A4, 21 labels, L7160 reference63.5 × 38.1 mmCheck the barcode plus both optional text lines
A4, 24 labels, L7159 reference63.5 × 33.9 mmLess height than the 21-label layout
A4, 14 labels, L7163 reference99.1 × 38.1 mmMore width for longer identifiers
A4, 65 labels, L7651 reference38.1 × 21.2 mmLimited usable area; do not assume retail artwork will fit
US Letter, 30 labels, 5160 reference2⅝ × 1 inConfirm Letter is selected in both PDF and printer settings
US Letter, 10 labels, 5163 reference4 × 2 inUse the intended format; this is not a carrier shipping-label template
US Letter, 80 labels, 5167 reference1¾ × ½ inVery shallow: assess bar height before choosing it

Avery references identify familiar layouts; they are not a claim of affiliation or a guarantee that another brand has identical geometry. Check your actual pack and test its alignment. For an official example, see Avery’s L7160 dimensions.

“Fits inside the sticker” is not the same as “meets the barcode requirement.” The current tool can narrow the symbol and shorten bars to make room for text. Inspect its warnings and the final PDF. If required dimensions cannot be retained, choose a larger label or remove optional text instead of accepting a squeezed design.

Prepare spreadsheet data without changing the identifiers

Under Label sheets with text, choose either repeated copies of the current barcode or One label per row from a list. The row mode uses three columns: encoded value, text above and text below. All rows use the barcode format selected in the main tool.

For example, these tab-separated rows describe two fictional internal asset labels. Select Code 128 for this example; the references are not product GTINs.

EQ-002184	Workshop drill	Tool room
EQ-002185	Inspection lamp	Bay 3
  1. Format identifier cells as text before entering or importing data. If zeros have already disappeared, reformatting the cell alone will not restore them.
  2. Copy the three data columns without a header row. Spreadsheet tabs avoid ambiguity when display text contains commas.
  3. Keep one label on each line. The current parser reads lines independently; multiline quoted CSV fields are not supported.
  4. Review row errors and compare the accepted label count with your expected count. Invalid rows can be omitted, so do not assume every pasted row becomes a label.
  5. Open the exported PDF. Check long descriptions for truncation and text for unsupported characters; the PDF font can replace unsupported characters with a question mark.

Printed text such as a product name or price is separate from the encoded value. Editing the caption does not update a retailer’s product record or change the value inside the bars. The numbering tools can help prepare sequences, but uniqueness against your existing records remains your responsibility.

Make a plain-paper test before using adhesive stock

  1. Create a valid barcode first.

    Set the required format and dimensions in the generator, then select the sheet layout. Start with a short test list that includes your longest identifier and longest caption.

  2. Enable label outlines and export the PDF.

    Outlines are alignment references for the trial. Check that the PDF’s page size matches the pack: A4 is 210 × 297 mm; US Letter is 8.5 × 11 in.

  3. Print at Actual size or 100%.

    Disable fit-to-page, shrink-to-fit, multiple pages per sheet and duplex printing. Avoid borderless modes that enlarge the artwork. Use the printer and stock manufacturer’s recommended media and feed settings.

  4. Compare the test with a fresh label sheet.

    Align the page edges and inspect the first and last rows, both sides and the centre. A correct top-left label does not establish that the bottom row will align.

  5. Change one setting and repeat.

    Record the viewer, printer, tray, paper size and scaling. This makes it easier to identify which change fixed the result.

Avery’s printing tips also recommend an actual-size plain-paper test before printing on labels. Follow the instructions for your own product if they differ.

Correct the kind of error you actually have

Alignment diagnosis before applying a nudge
Observed patternLikely area to investigateNext step
Every row is displaced by a similar amountA consistent page offsetMeasure the error and test a small horizontal or vertical nudge
Error grows towards the bottom or rightScale, page size or template pitchCorrect those settings before changing the offset
Outlines are tilted relative to the sheetSkew or feed variationCheck guides, tray, stock condition and loading instructions
Only edge labels are clippedPrinter’s printable area or a wrong layoutCheck margins and supported stock; do not shrink the whole sheet as a workaround

Worked example: a consistent 1.2 mm offset

Suppose the first, middle and last rows all print 1.2 mm too far left and 0.8 mm too high. Start with Nudge right = 1.2 and Nudge down = 0.8. Positive values move the design right and down; negative values move it left and up. Print another plain-paper test to confirm.

If the top row is correct but the last row is 3 mm low, a single nudge would move the good row as well. Investigate scaling and row spacing instead. The current tool’s nudge controls translate the page contents; they do not repair an incorrect template pitch or rotate a skewed print.

Print and check the finished labels

Turn off trial outlines unless they are intentionally part of your design and remain clear of barcode quiet zones. Load fresh compatible stock using the specified tray and orientation. Use a plain-paper feed-direction test if the manual is unclear, rather than marking or damaging adhesive sheets.

For dimensional requirements and the distinction between a reading test and verification, use the barcode size guide. Obtain formal print-quality verification when required by the customer.

Do not assume a part-used sheet is safe to refeed. Avery advises against passing its label sheets through a printer more than once because of adhesive and feed risks. Follow your printer and stock manufacturer’s rules. The tool’s Start at label number control chooses a position in the PDF; it does not establish that a physical sheet is suitable for another pass. See Avery’s guidance.

When roll labels may be a better workflow

If you frequently need only a few labels at a time, roll stock may reduce the inconvenience of full sheets. Choose equipment and media for the actual label size, expected lifetime and environment rather than assuming every thermal printer suits every job.

Direct thermal prints on heat-sensitive media without a ribbon; exposure conditions can affect its durability. Thermal transfer uses a ribbon matched to the label material. Neither choice eliminates the need to test size, contrast and data. Zebra explains the printing methods.

For a standalone barcode image, selecting the printer’s native resolution in the generator snaps modules to whole dots and sets the PNG export resolution. Keep that intended placement size in the label-printing software. Do not send an A4 or Letter sheet PDF to a roll printer and expect it to become the correct roll-label format automatically.

Common questions

Can I print barcode labels with an ordinary office printer?

Often, provided the printer supports the chosen label stock and reproduces the required barcode dimensions. Check the manual, test alignment on plain paper and inspect finished labels before committing to a batch.

Why does the PDF look right but the print drifts?

The viewer or driver may scale the page, use the wrong paper size or select a different layout. Compare the error across the sheet. Progressive drift calls for a scale or pitch check; a uniform offset may respond to a nudge.

Can I paste prices from Excel?

Yes, as optional display text in the third column. Preserve the encoded identifier in the first column and inspect the PDF. A printed price caption does not change the number encoded in a conventional product barcode.

Should I make the bars shorter to fit another text line?

Only if the resulting design remains appropriate for the required specification. The layout tool can shorten bars automatically. Review warnings and consider a larger label or less text instead of treating automatic fitting as approval.

Does one successful scan approve the whole sheet?

No. It checks that sample with that reader. Inspect different positions and values, confirm the data and follow any formal verification requirements for the finished labels.

Prepared by eToolPlus using the linked manufacturer guidance and a review of this site’s label-export code. No physical printer trial or manufacturer endorsement is claimed.