Scanning hard copy drawings into TIFF files

Scan 8-1/2” x 11” document files into PDF files, 600DPI. Convert to MS word or XLS if required in the work item. Output .tiff file to have black lines on white background. Scan drawings to have contrast adjusted so all line work shows, but little or no background if possible. Lines need to be solid black with no “Swiss cheese” holes in ... ................
................