Chapter 55-31F-5-475.4.2.7 After Replacing theReader Controller PCB orAfter Initializing the RAM 0007-0746iR2270 / iR2870 / iR3570 / iR4570 / iR3530- Before replacing the reader controller PCB, be sureto generate the latest P-PRINT printout.controller without replacing the PCB>- Using the SST, upload the reader controller backupdata; after initializing the RAM, download the data,thus eliminating the need for the followingadjustment.1. Reader Unit-Related Adjustment1) Using the SST, download the latest systemsoftware (R-CON).2) Make the following selections in service mode:COPIER>FUNCTION>CLEAR>R-CON; then,press the OK key to initialize the RAM. Thereafter,turn off and then on the main power.3) Enter the appropriate values using the followingservice mode items:a. service label (behind reader unit left cover)valuesa-1. CIS read position adjustment (fixed reading)COPIER>ADJUST>ADJ-XY>ADJ-Xa-2. main scanning direction position adjustment(fixed reading)COPIER>ADJUST>ADJ-XY>ADJ-Ya-3. shading position adjustment (fixed reading)COPIER>ADJUST>ADJ-XY>ADJ-Sa-4. main/sub scanning direction MTF valueCOPIER>ADJUST>CCD>MTF-MGIf the value of the following was not 0 before thereplacement of the reader controller PCB:COPIER>OPTION>BODY>CCD-LUT.Set a value other than '0' once again, and make thefollowing adjustments using the D-10 Chart.COPIER>FUNCTION>CCD>LUT-ADJ22. ADF-Related AdjustmentThe machine keeps ADF-related service mode data inthe RAM of the reader controller; as such, you willhave to make the appropriate adjustments if youhave replaced the reader controller or initialized theRAM.1) Enter the values indicated in the P-PRINT printoutyou have previously generated for the following:a. main scanning direction position adjustment(stream reading)COPIER>ADJSUT>ADJ-XY>ADJ-Y-DFb. original stop position adjustmentFEEDER>ADJSUT>DOCSTc. original feed speed (magnification) adjustmentFEEDER>ADUST>LA-SPEED2) Make adjustments using the following items:a. tray width adjustmentFEEDER>FUNCTION>TRY-A4FEEDER>FUNCTION>TRY-A5RFEEDER>FUNCTION>TRY-LTRFEEDER>FUNCTION>TRY-LTRRb. CIS read position adjustment (stream reading)[1][2]
