Digital document checks can be easy to overlook when most of your attention is on travel dates and other arrangements. A clear passport scan matters because the information needs to remain readable when uploaded. Travelers preparing a Russia eVisa can review
Russia eVisa Passport Scan Requirement for details concerning passport scans and related photo requirements. I’d prepare the file beforehand and take a moment to check the image quality before submitting anything. Keeping a suitable copy ready on your device can save time during the application and avoids having to search for a better scan when you are already working through the form.