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| Band | Purpose | Best Practice | |-------|---------|----------------| | | Report header (once) | Use for logo, title, date range | | Page Header | Repeats on each page | Column headers only | | Detail | Main data rows | Keep as small as possible in height | | Summary | Aggregates (totals, averages) | Use with evaluationTime="Report" | | Column Footer | Column-wise summaries | Avoid unless necessary | | Page Footer | Page numbers, timestamps | Use $VPAGE_NUMBER |

Use lightweight vector graphics or compressed web formats (PNG/JPEG). tibco jaspersoft studio best