Samsung ML-1640 Service Manual

Also see for ML-1640 Series: User guide Quick install guide Manual Del Usuario User manual Specifications

Contents

Service ManualProduct spec and feature2-25 Samsung Electronics2.2.3 S/W Structure and DescriptionsThe purpose of this document is to describe the design specification of the Engine Control F/W for theML-1640/2240.2.2.3.1 IntroductionThis Engine Control Firmware is a program that controls LBP Engine of the ML-1640/2240.This firmware is executed every 10msec as an interrupt routine of the main system. At stand-by state, this firmwaremonitors the enable print command from the main system. If the enable print command is detected, this firmwarecontrols the Engine Mechanism according to the printing process and paper feeding state. And with the Sleepcommand or Wake-Up command, this firmware controls the Engine state.2.2.3.2 Engine Control F/W OverviewEngine Control F/W is executed every 10msec by timer interrupt of main system. And it consists of 3 controlmodules.- Engine Main Control, Interface Control and Sensing & Unit Control Module.Major operations of the Engine Control F/W are following.- Control the Pick-Up, Feeding and Discharging of Paper- Control the LSU- Control the HVPS for the Developer Process- Control the Temperature of Fixing unitControlling selection to here is added.- Second Cassette Feeder(SCF) : N/A