Chapter 1313-713.2 Scanning System13.2.1 After Replacementof the CIS 0007-9838iR2270 / iR2870 / iR3570 / iR4570 / iR3530Be sure to enter the value indicated on the CIS labelattached to the contact image sensor (CIS) using thefollowing service mode item:COPIER>ADJUST>CCD>MTF-MG(main scanning direction MTR correction value)F-13-21Be sure also to update the value indicated on theservice label found behind the left cover of the readerunit so that it is identical to the value indicated on theCIS label.Reference:At time of shipment from the factory, no CIS label isattached.13.2.2 After Replacing theReader Controller PCB orInitializing the RAM 0007-9839iR2270 / iR2870 / iR3570 / iR4570 / iR3530- Before replacing the reader controller PCB, besure to print out the latest P-PRINT page.reader controller without replacing the PCB>- Using the SST, upload the backup data of the readercontroller, and download it after initializing the RAMso that you need not perform the following:1. Reader Unit-Related Adjustments1) Using the SST, download the latest systemsoftware (R-CON).2) Make the following selections in service mode:COPIER>FUNCTION>LEARN>R-CON. Then,press the OK key to initialize the RAM; thereafter,turn off and then on the main power.3) Enter the following values in service mode:a. values indicated on the service label (foundbehind the left cover of the reader unit)a-1. CIS read position adjustment (for fixed reading)COPIER>ADJUST>ADJ-XY>ADJ-Xa-2. main scanning direction position adjustment(for fixed reading)COPIER>ADJUST>ADJ-XY>ADJ-Ya-3. shading position adjustment (for fixed reading)COPIER>ADJUST>ADJ-XY>ADJ-Sa-4. main scanning direction MTFCOPIER>ADJUST>CCD>MTF-MGIf a value other than '0' is set before replacement ofthe reader controller PCB(COPIER>FUNCTION>BODY>CCD-LUT), set avalue other than '0' once again, and make thefollowing adjustments using the D-10 Chart.COPIER>FUNCTION>CCD>LUT-ADJ22. ADF-Related AdjustmentsThe machine is designed to retain ADF-relatedXXMTF-MG