Service Manual: Triton-C1, TR-C1 (B186), Aficio Color 3131, SDC531, CS331, LC031 This is the full RICOH Service Repair Manual. This RICOH series SERVICE MANUAL is (522) PAGES in pdf format.The Manual has Detailed Pictures, Diagrams, and Step by Step Procedures. This PDF Manual is fully Indexed and Bookmarked by Topic. This is an original Adobe document which equals Perfect Quality and Perfect Printing. The PDF can be searched quickly to find what you need to know in every Chapter. You can print the Entire manual or ANY Pages you want to select. You can also Zoom in on any Diagram or Picture to easily SEE EVERY PART. You simply can not do better than this SERVICE MANUAL. Thanks for looking.