Unused or mistakenly written New Year's cards can actually be exchanged. Don't discard them as it would be a waste; understand how the exchange process works.
One common issue when printing is encountering a "spooling" status that prevents the print job from completing. This article explains what spooling is and how to handle it when it occurs.
Over time, received New Year's cards can take up more storage space than expected. This article explores how to dispose of New Year's cards in Japan and points to consider when doing so.