I found interlocking adjustable storage cases at Home Depot for 2 for $9. Really good for printer parts. Great quality (not flimsy). Thought I'd let people know if they want to look. :
HDX 320034 Interlocking Black Small Parts Organizer for Fasteners and | eBay
CASOMAN Tool Box Organizer Interlocking Black Small Parts Organizer fo — CASOMAN DIRECT
Amazon.com: AIRTOON Tool Box Organizer Interlocking Black Small Parts Organizer for Fasteners and Crafts w/Removable Dividers (2 Piece Pack) : Everything Else
Amazon.com: Tactix 320034 15-Compartment Interlocking Small Parts Organizer In Black (2 Pack) : Arts, Crafts & Sewing