Possible Clues:

• Ballpoint points
• Bits of roasted cocoa beans
• Tips for writer from Northern Ireland, medical graduate
• Crushed cacao beans used to make chocolate
• Calligraphers' pen points
• Sharpened points of quill pens
• See 23-Down
• Bills writers run up in bars on vacation
• His ___ (self-important sort)
• Ink dispensers