The Toshiba DP2500 owners would find the following document useful. It has the information to perform the maintenance and troubleshooting, including the reference used to maintain, to assemble and dissasemble parts and components and servicing the laptop. The document itself divided into some sections as follows :
Specifications, outline of the machine, copying process, copier operation, display unit, image processing, scanner, printing, paper feeding system, drive system, drum related section, cleaner section, fuser unit/exit unit, power supply unit, board assembly, wire harness connection diagram, page memory board.
For more details, free download the pdf document from the following source (feedroller.com) :
TOSHIBA DP2500 SERVICE GUIDE MAINTENANCE MANUAL DOWNLOAD