Find the circuit diagram of the main board Ricoh SP 150SUW multifunction printer

[dongtrien]

Ricoh SP 150SUW multi-function printer board is broken (the power supply is out of 24V) but the disease is not found, please share this schematic with me, https://plotmedia2go.com.my/index.php?route=product/product&product_id=17805
photos attached
http://www.mediafire.com/view/4z5j9kqn40luys8/Printer_RICOH01a.jpg/file
http://www.mediafire.com/view/4zkmyzagx3zqgm1/Printer_RICOH02a.jpg/file
http://www.mediafire.com/view/wz9u4ecea4xapde/Printer_RICOH03a.jpg/file