Print a blank test first
Calibration Sheet Generator
Generate a Pro calibration PDF with corner guides, a 100 mm reference line, center crosshair and quiet-zone reference. Use it before printing real postage.
Choose setup
Pick paper and printer type.
Print at 100%
Disable Fit to Page in the dialog.
Measure
Check the 100 mm line and center marks.
Paid tool
Calibration sheet generator requires Pro Toolkit
Guides, SEO pages and reference material stay free. Interactive tools, diagnostics and generated downloads are available after checkout and license unlock.
What to check
A good test print should match the ruler
Measure the 100 mm reference line. If it is short or long, fix print scale before printing a carrier barcode. If the center crosshair is shifted, check paper size, margins and roll alignment.
Paid tool boundary
Calibration downloads require Pro
The generator creates browser-local calibration PDFs after the license is unlocked. Guides and reference pages remain free.
Preview only
watermark-free calibration sheets and saved printer profiles is a paid feature
Guides, SEO pages and reference material stay free. Paid access unlocks this tool, generated downloads, saved reports and deeper checks.
Paid unlocks
Watermark-free downloads, saved reports and license-based access
Refund-friendly, not loss coverage
If a paid tool does not work for you, request a refund under the refund policy. Shipping costs, returned packages, customs holds, penalties and marketplace losses remain your responsibility.