Xerox Phaser 3635MFP Service Manual

Also see for 3635MFP - Phaser B/W Laser: Features Brochure & specs User guide User guide Quick use guide

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Xerox Phaser 3635MFP Service Manual Manual pdf 71 page image

April 20103-10 Phaser 3635MFP/WorkCentre 3550IQ4, IQ5Image QualityIQ4 Blurred Image From the Scanner RAPUse this RAP when the scanner produces blurred images.Ensure the IQ1 Image Quality Entry RAP is performed before starting this RAP.ProcedureWARNINGSwitch off the electricity to the machine. Disconnect the power cord from the customersupply while performing tasks that do not need electricity. Electricity can cause death orinjury. Moving parts can cause injury.Go to the relevant procedure:• 3635 Checkout• 3550 Checkout3635 Checkout1. Clean the CVT glass PL 14.10 Item 28 and document glass PL 14.10 Item 27.2. Check the gap between the pressure plate and the CVT glass. Perform the following:a. Put a sheet of A4 or 8.5x11 inch paper over the CVT glass.b. Close the DADF.c. Carefully pull the paper from underneath the DADF. Make sure that the paper waspressed between the pressure plate and the CVT glass. If necessary, install a newDADF, PL 5.10 Item 1.3. Perform the Shading Test procedure, GP 15 Shading Test. If the shading test fails:a. Install new components as necessary:• CCD module, PL 14.10 Item 8.• CCD module cable, PL 14.10 Item 23.• Scanner assembly, PL 14.10 Item 26.b. Perform OF7 Main PWB Check RAP.3550 Checkout1. Clean the CVT glass PL 14.11 Item 26 and document glass PL 14.11 Item 3.2. Check the gap between the pressure plate and the CVT glass. Perform the following:a. Put a sheet of A4 or 8.5x11 inch paper over the CVT glass.b. Close the DADF.c. Carefully pull the paper from underneath the DADF. Make sure that the paper waspressed between the pressure plate and the CVT glass. If necessary, install a newDADF, PL 5.10 Item 1.3. Perform the Shading Test procedure, GP 15 Shading Test. If the shading test fails:a. Install new components as necessary:• CCD module, PL 14.11 Item 2.• CCD module cable, PL 14.11 Item 5.• Scanner assembly, PL 14.11 Item 21.b. Perform OF7 Main PWB Check RAP.IQ5 Vertical Black Lines or Bands RAPUse this RAP when there are black lines or bands along the process direction, as shown in Fig-ure 1.Ensure the IQ1 Image Quality Entry RAP is performed before starting this RAP.Figure 1 Vertical black line and bandProcedureWARNINGSwitch off the electricity to the machine. Disconnect the power cord from the customersupply while performing tasks that do not need electricity. Electricity can cause death orinjury. Moving parts can cause injury.1. If the defect is only present on received faxes, ensure the defect is not being generatedby the fax machine that is transmitting the fax.2. If the defect is only present when making copies, clean the document glass (3635) PL14.10 Item 27 or (3550) PL 14.11 Item 3.3. If the defect is only present when making copies from the DADF, clean the CVT glass(3635) PL 14.10 Item 28 or (3550) PL 14.11 Item 26.4. Lightweight media can cause fusing problems that may result in vertical lines. Ensure thecustomer is using media that is within specification. Refer to GP 9 Paper and Media Spec-ifications.5. The fuser may be contaminated. Make 10 blank copies. Install new components as nec-essary, PL 10.10, PL 10.12 and PL 10.15.6. 3635 only. Refer to Wiring Diagram 5 (3635). Check that the harness between the LSUand CN24 on the Main PWB is correctly and securely connected.7. 3550 only. Refer to Wiring Diagram 14 (3550). Check that the harness between the LSUand CN17 on the Main PWB is correctly and securely connected.8. Install new components as necessary:• Print cartridge, PL 9.10 Item 1.• LSU, PL 6.10 Item 1.