Chapter 1313-4F-13-1913.2 Scanning System13.2.1 After Replacement of the CIS 0007-9838iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /Be sure to enter the value indicated on the CIS label attached to the contactimage sensor (CIS) using the following service mode item:COPIER>ADJUST>CCD>MTF-MG(main scanning direction MTR correction value)F-13-20Be sure also to update the value indicated on the service label found behindthe left cover of the reader unit so that it is identical to the value indicated onthe CIS label.Reference:At time of shipment from the factory, no CIS label is attached.13.2.2 After Replacing the Reader Controller PCB orInitializing the RAM 0007-9839iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /- Before replacing the reader controller PCB, be sure to print out the lat-est P-PRINT page.replacing the PCB>- Using the SST, upload the backup data of the reader controller, and down-load it after initializing the RAM so that you need not perform the following:1. Reader Unit-Related Adjustments1) Using the SST, download the latest system software (R-CON).2) Make the following selections in service mode: COPIER>FUNC-TION>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 (found behind the left cover of thereader 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-MG2. ADF-Related AdjustmentsThe machine is designed to retain ADF-related service data in its readercontroller RAM. As such, if you have replaced the reader controller orinitialized the RAM, you will also have to make ADF-relatedadjustments.1) Enter the following values by referring to the values indicated on the P-PRINT page you have previously printed out.a. main scanning direction position adjustment (for 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 service mode items:a. Tray Width AdjustmentFEEDER>FUNCTION>TRY-A4FEEDER>FUNCTION>TRY-A5RFEEDER>FUNCTION>TRY-LTRFEEDER>FUNCTION>TRY-LTRRb. CIS Read Position Adjustment (for stream reading)COPIER>FUNCTION>INSTALL>STRD-POSc. White Level AdjustmentCOPIER>FUNCTION>CCD>DF-WLVL1COPIER>FUNCTION>CCD>DF-WLVL2When you have made all the foregoing adjustments, put the P-PRINT page[1] in the service book case, and dispose of the previous printout.F-13-2113.3 Laser Exposure System13.3.1 After Replacing the Laser Scanner Unit 0007-5178iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /Enter the values recorded on the label on the laser scanner unit for the fol-lowing in service mode:- COPIER>ADJUST>LASER>LA-DELAY13.4 Image Formation System13.4.1 After Replacing the Developing Unit 0007-5179iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Execute the following service mode items:- COPIER > FUNCTION > INSTALL > STIR-K2) Initialize the following service mode items:- COPIER > COUNTER > DRBL-1 > DVG-CYLA test copy that is made right after the toner has been stirred can besoiled on its back with a small amount of stray toner. The symptom willlikely disappear when 3 or so copies are made.13.4.2 After Replacing the Drum Unit (APVC correction)0007-5181iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530[1] [3] [2]XXMTF-MG
