Contents0 Safety PrecautionsCDRH Provisions -------------------------------------------------------------0-6Laser Safety --------------------------------------------------------------------0-6About Laser Beams --------------------------------------------------------------- 0-6Handling Laser Scanner Unit --------------------------------------------------- 0-6Toner Safety --------------------------------------------------------------------0-7About Toner ------------------------------------------------------------------------- 0-7Handling Adhered Toner --------------------------------------------------------- 0-7Notes on Handling Lithium Battery ---------------------------------------0-7Notes on Assembly/Disassembly -----------------------------------------0-71 Product OverviewProduct Lineup-----------------------------------------------------------------1-2Host Machine ----------------------------------------------------------------------- 1-2L100 / L170 / L174 ------------------------------------------------------------------------- 1-2L150 -------------------------------------------------------------------------------------------- 1-2L150 CHN / L150 KOR / L154 ----------------------------------------------------------- 1-2Product Features --------------------------------------------------------------1-2Product Features------------------------------------------------------------------- 1-2Specifications ------------------------------------------------------------------1-3Product Specifications ------------------------------------------------------------ 1-3ADF Specifications ---------------------------------------------------------------- 1-3FAX Specifications ---------------------------------------------------------------- 1-4Parts Name ---------------------------------------------------------------------1-4External View ----------------------------------------------------------------------- 1-4Front side of the machine (L100 / L170 / L174) ------------------------------------- 1-4Rear side of the machine (L100 / L170 / L174) ------------------------------------- 1-5Front side of the machine (L150) ------------------------------------------------------- 1-6Rear side of the machine (L150)-------------------------------------------------------- 1-7Front side of the machine (L150 CHN / L150 KOR / L154) ---------------------- 1-7Rear side of the machine (L150 CHN / L150 KOR / L154) ---------------------- 1-8Cross Sectional View ------------------------------------------------------------- 1-9Operation Panel (L100 / L170 / L174) ---------------------------------------- 1-9Operation Panel (L150 / L150 CHN / L150 KOR / L154) ---------------1-102 Technical OverviewBasic Configuration -----------------------------------------------------------2-2Configuration function ------------------------------------------------------------ 2-2Basic Sequence -------------------------------------------------------------------- 2-2Basic Sequence of Operation ----------------------------------------------------------- 2-2Print Sequence ------------------------------------------------------------------------------ 2-3Power-On Sequence----------------------------------------------------------------------- 2-4Controller System -------------------------------------------------------------2-5Main Controller --------------------------------------------------------------------- 2-5Overview -------------------------------------------------------------------------------------- 2-5Engine Controller ------------------------------------------------------------------ 2-5General description ------------------------------------------------------------------------ 2-5Power Supply ----------------------------------------------------------------------- 2-6Power Supply -------------------------------------------------------------------------------- 2-6Protective Functions ----------------------------------------------------------------------- 2-6Service Tasks ----------------------------------------------------------------------- 2-7At parts replacement ----------------------------------------------------------------------- 2-7Maintenance --------------------------------------------------------------------------------- 2-7Notes on service tasks -------------------------------------------------------------------- 2-7Original Exposure System --------------------------------------------------2-8Overview ----------------------------------------------------------------------------- 2-8Major Components ---------------------------------------------------------------- 2-8Various Control ------------------------------------------------------------------------------ 2-8Detecting Jam ---------------------------------------------------------------------- 2-9Jam Detection Outline --------------------------------------------------------------------- 2-9Service Tasks ----------------------------------------------------------------------- 2-9At parts replacement ----------------------------------------------------------------------- 2-9Maintenance --------------------------------------------------------------------------------- 2-9Notes on service tasks -------------------------------------------------------------------- 2-9Laser Exposure System --------------------------------------------------- 2-10Overview ----------------------------------------------------------------------------2-10Overview -------------------------------------------------------------------------------------2-10Controlling the Laser Activation Timing-------------------------------------- 2-11