Check the actual publication exports for production marks and template material that KDP does not permit. Inspect both the document settings and imported assets, correct the responsible source, and export again without confusing working guides with intended book content.
Identify the marks that belong only to production
Crop marks, trim guides, color bars, and template labels can help a design team prepare artwork, but they are not ordinary reader content. KDP's current paperback and hardcover guidance identifies production elements that should be removed from submitted files. Review the applicable checklist for the selected output before approving the export.
Create a practical distinction between the working file and the publication artifact. A template layer can remain useful in the editable project while being excluded from the final output. The important question is what actually appears or remains in the submitted file, not whether the source application has a tidy-looking workspace.
Check the export settings as well as the page
A document can look correct in the editor while the export preset adds production marks automatically. Inspect the settings used for the final artifact and compare them with the current submission requirements. Do not assume that a preset intended for another print workflow is appropriate for this book's KDP upload.
Record the preset or relevant choices with the release process. When another contributor exports a corrected version, the same preparation needs to be reproducible. A one-time cleanup performed without documenting its source can be undone by the next export even though the manuscript content has not otherwise changed.
Inspect imported artwork for embedded guides
An illustration, cover panel, or table supplied as an image may already contain marks or template text inside the asset. Changing the main document's export settings will not necessarily remove material that is part of that imported file. Inspect the asset itself and identify where the unwanted elements originated.
Request a clean publication version from the responsible contributor or revise the authorized source as appropriate. Avoid simply covering a mark with a rectangle without understanding its extent and the resulting file. Correct the underlying asset so later resizing, cropping, or replacement does not reveal the production material again.
Distinguish guides from intentional graphic elements
A thin line near an edge might be a trim mark, a decorative border, or part of an illustration. Review its purpose and source before deleting it. Broadly removing all small edge elements can damage the design while still missing production material elsewhere in the file.
Use the template and layer structure to resolve uncertainty. If the element is intended reader content, review its placement against the relevant print requirements. If it belongs only to production, remove it from the publication output. The decision should follow evidence about the element, not a guess based solely on its appearance at one zoom level.
Review the whole exported package
Inspect the cover and manuscript independently, including the outer boundaries and pages containing imported material. Check opening and closing pages, full-page graphics, and any section prepared through a separate workflow. A clean body-text sample does not establish that every file component is free of template remnants.
Look for template labels, placeholder instructions, software references, and other production text in addition to visible marks. Use suitable file inspection and search methods where they help, while recognizing that text embedded in an image may need visual review. Keep the checks tied to the exact exported files the team intends to submit.
Re-export and verify the correction
After correcting the source or export settings, produce a new identified artifact and inspect the affected locations again. Confirm that the unwanted material is gone and that meaningful content was not cropped, shifted, or removed along with it. Check any shared template or asset occurrences affected by the change.
Save the clean preparation choices with the release record and repeat the relevant check after later exports. KDP's requirements still include other file and content considerations, so removing marks is one part of publication readiness. Close this issue when the actual submitted package contains the intended book design without leftover production instructions or marks.
Frequently asked questions
Clear answers for this publishing decision.
Can crop marks appear even if I do not see them in the editor?
Yes, an export preset can add production elements. Inspect the actual output and the relevant settings rather than relying only on the editing view.
Why do marks remain after I change the export preset?
They may be embedded in an imported image or supplied asset. Inspect the responsible source and prepare a clean version through the authorized workflow.
Should I delete every line near a page edge?
No. Determine whether it is a production guide or intentional content. Preserve legitimate design elements while checking their placement against the current publication requirements.
How do I get from an idea and a brief to an editable manuscript I can finish?
Write the brief first, generate a structure you can edit, then draft and revise the manuscript in reviewable sections so one change never overwrites work you already approved.
Start a book project from a brief