44 4-774-77Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > ProcedureDisassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > ProcedureLaser Exposure SystemLayout Drawing[1][2][3]No. Name Main Unit Reference Adjastment duringparts replacement[1] Laser Scanner Unit Main Unit (Refer to page4-77)-[2] Scanner Motor Laser Scanner Unit - -[3] Laser Driver PCB Laser Scanner Unit - -F-4-168T-4-31Removing the Laser Scanner Unit■ Preparation1) Remove the Left Cover (Refer to page 4-27).2) Remove the ADF Unit (Refer to page 4-54).3) Remove the Right Cover (Refer to page 4-28).4) Remove the Front Cover Unit (Refer to page 4-29).5) Remove the Upper Cover (Refer to page 4-30).■ ProcedureCAUTION:Be sure not to disassemble the Laser Scanner Unit because adjustment is required.1) Remove the Scanner Cover [1].• 2 Screws (black TP) [2]x2[2][1]F-4-169