2-43Phaser 3635MFP OF3, OF4Status Indicator RAPsDraft 4OF3 Air Systems RAPUse this RAP to diagnose faulty machine fans. Faulty fans can cause image quality defects,odours or overheating.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.Check the following fans:• SMPS Fan• Main Fan• Fuser FanSMPS FanRefer to Wiring Diagram 9. Perform the following:1. Switch off the machine, then switch on the machine.2. Enter dC330 code 09-500. Check that the SMPS fan, PL 1.12 Item 1 runs at normalspeed.3. Check the wiring between the SMPS fan and CN8 on the Connection PWB.4. Install new components as necessary:• SMPS fan, PL 1.12 Item 1.• Connection PWB, PL 3.10 Item 17.Main FanRefer to Wiring Diagram 9. Perform the following:1. Switch off the machine, then switch on the machine.2. Enter dC330 code 04-120. Check that the main fan, PL 1.12 Item 9 runs at normal speed.3. Check the wiring between the main fan and CN1 on the Connection PWB.4. Install new components as necessary:• Main fan, PL 1.12 Item 9.• Connection PWB, PL 3.10 Item 17.Fuser FanRefer to Wiring Diagram 9. Perform the following:1. Switch off the machine, then switch on the machine.2. Enter dC330 code 10-500. Check that the fuser fan, PL 10.20 Item 2 runs at normalspeed.3. Check the wiring between the fuser fan and CN2 on the Connection PWB.4. Install new components as necessary:• Fuser fan, PL 10.20 Item 2.• Connection PWB, PL 3.10 Item 17.OF4 Copying Error RAPUse this RAP if the machine does not copy correctly when the customer uses features such asauto size detect, edge erase, book copying and image shift.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.1. Perform the Scan Edge Print test, GP 18.2. If the test fails, clean the document glass.3. If necessary, install a new scanner cover, PL 14.10 Item 20.