Chapter 22-152.4 Laser Exposure System2.4.1 When Replacing theLaser Unit 0002-0242CLC5100 / CLC40001) Perform laser focus adjustment.2) Perform laser power adjustment.3) Perform laser intensity adjustment.2.4.2 When Replacing theVideo Controller PCB 0002-0245CLC5100 / CLC4000Nothing in particular.2.4.3 When Replacing theBD Unit 0002-0247CLC5100 / CLC4000Before removing the BD unit, be sure to mark itsposition with a scriber.1) Using 'FUNC>INSTALL', set 'IMGREG' to '0'.2) Turn off the power switch, and replace the BD unit.3) After replacement, execute'FUNC>INSTALL>REGAPER' in service mode.(If a BD error 'E100' occurs, check the position ofthe unit, and execute 'REGAPER' once again.)4) Execute 'FUNC>IMGREG>AUTOADJ' inservice mode.5) Using 'FUNC>INSTALL' in service mode, set'IMGREG' to '1'.2.4.4 Adjusting the LaserPower 0002-5854CLC5100 / CLC4000You must always adjust the laser power whenever youhave replaced the laser unit.᤹a. Required ToolsLaser Power Checker (FY94013)Digital Multimeter (CK0436)᤹The output of the Laser Power Checker maychange over time; have it calibrated once a year atthe service station using a special calibration tool.᤹1) If you have replaced the laser unit for C/Bk,position the analog processor PCB as indicated inthe following figure.᤹F-2-29᤹2) Turn on the power switch.3) Open the laser power checker inlet cover.᤹ClawScrewAnalog processor PCBCopyboard glass
