2 - 11Chapter 2 Operation of Diag.Version 1 2006.02.034.2 IOT Diag4.2.1 Digital Input (DI) TestThis function checks whether the DI components operate normally or not.The DI test is performed for all the DI components.Exit operation of the DI test makes the control panel display the Customer diag. function menu.During the DI test, other Customer diag. functions can not be performed simultaneouly.Therefore, the printer does not accept any operation except operations for the DI compo-nents and exit operation of the DI test.At the start of the DI test, number “ 0 ” is displayed on the control panel. This number is countedup when a DI component is turned on from off, therefore it allows the user to know the componentis active.When a paper jam is occurred, or an error message or code is displayed, execute this test to locatethe damaged parts.The test will execute the DI Test codes of the components that are supposed to be faulty from theerror details. (Refer to each FIP on Chapter 1.)Test result: NG (Go to each FIP or replace the parts.)OK (Turn off/on the main power.)4.2.2 Executing digital input (DI) test1) Turn off the power.2) Turn on the power while holding down “ S ” and “ T ” keys.3) Release the fingers from these keys when “Diagnosing...” is displayed.4) The “Customer Mode” and “ESS Diag” are displayed. (Entered the Diag. mode.)5) Press “ T ” to select “IOT Diag”, and then press “ 3 ” key.6) Press “ T ” key to select “Digital Input”, and then press “ 3 ” key.7) Press “ S ” or “ T ” key to select the test item.8) Press “ 3 ” key twice to execute the test.Parameters for the Digital Input Test are as follows.Code ComponentsDI-1 Dup Jam sensorDI-2 Exit SensorDI-3 Regi SensorDI-4 ROS Ready (Not Used)DI-7 Front Cover Interlock SwitchDI-8 Yellow Toner Cartridge SensorDI-9 Magenta Toner Cartridge SensorDI-a Black Toner Cartridge SensorDI-b Cyan Toner Cartridge SensorDI-d Tray 2 No Paper sensorDI-e Duplex Fan Alarm (Not Used)DI-f Teay 2 Feed Motor Alarm (Not Used)DI-10 MPF No Paper SensorDI-11 Tray 1 No Paper Sensor
