Chapter 55-26COPIER>ADJUST>ADJ-XY>ADJ-Sa-4 feeder mode main scanning position adjustmentCOPIER>ADJUST>ADJ-XY>ADJ-Y-DFa-5 ADF stream reading CCD reading positionCOPIER>ADJUST>ADJ-XY>STRD-POSThe machine retains ADF-related service data in the RAM of its readercontroller,thus necessitating ADF adjustment whenever you have replaced thereader controller or initialized the RAM.b. original stop position adjustmentFEEDER>ADJSUT>DOCSTc. original feed speed (magnification) adjustmentFEEDER>ADUST>LA-SPEED4) Make adjustments using the following service mode items:a. ADF sensor sensitivity adjustmentFEEDER>FUNCTION>SENS-INTb. tray width adjustmentFEEDER>FUNCTION>TRY-A4FEEDER>FUNCTION>TRY-A5RFEEDER>FUNCTION>TRY-LTRFEEDER>FUNCTION>TRY-LTRRc. white plate data adjustmentCOPIER>FUNCTION>CCD>CCD-ADJd. ADF white level adjustmentCOPIER>FUNCTION>CCD>DF-WLVL1COPIER>FUNCTION>CCD>DF-WLVL2Be sure to perform white plate data adjustment before performing ADFwhite level adjustment.After having made the foregoing adjustments, put the P-PRINT printoutin the service book case, replacing the previous P-PRINT printout.5.4.5 Interface PCB5.4.5.1 Removing the Reader Unit Rear Cover0008-76471) Open the cable clamp [1].2) Disconnect the 2 connectors [2].3) Remove the 2 screws [3].F-5-704) Bend up the rubber cover [1], and remove the 2 screws [2] each; then,detach the 2 angle guide plates [3].F-5-71F-5-725) Fully open the ADF.6) Remove the 3 screws [1], and slide the reader unit rear cover [2] tothe rear to detach.Take care not to damage the ADF open/closed sensor arm [3].F-5-735.4.5.2 Removing the Interface PCB0008-76481) Remove the 4 RS tightening screws [1] and the 2 binding screws [2];then, detach the IF PCB cover [3].[2][1][3]
