41955801TH Rev.8 76 /Oki Data CONFIDENTIAL2. Press the 22222 and 66666 keys until the SCAN number that corresponds to the unit subject to thefollowing test listed in Table 3-1. (Key 22222 increments the item and Key 66666 decrements the item.)3. The test starts by pressing the 33333 key. The SWITCH SCAN number begins to blink and thenumber of the corresponding unit (1-4) is displayed along with the current status.Manipulate each unit (Fig 3-1). The items are displayed in the LCD that corresponds to eachitem. (The display differs for each sensor. See Table 3-1 for details.)4. The SWITCH SCAN number reappears in the display status (blinking ceased) by pressing the77777 key.5. Repeat Steps 2 to 4 as required.6. Press the 44444 key to end the test. (Status returns to that described in 1.)SWITCH SCANSWITCH SCAN 001=H 2=L 3=H 4=L3. The [XX.XX.XX] in [DISGNOSTIC MODE XX.XX.XX] that is displayed in the LCD display is theROM version. The set value for FACTORY WORKING MODE is displayed in the right side ofthe bottom line. [SHIPPING] is normally set.4. Proceed to each self-diagnosis step by pressing the 11111 or 55555 key.(The menu item rotates by pressing the 11111,55555 key.)3.1.2.2.2 Exiting the self-diagnostic mode1. Turn the power OFF, then turn it on after ten seconds.3.1.2.3 Switch scan testThis self-diagnosis is used for checking the input sensor and switch.1. Press the 11111 and 55555 keys until the normal diagnostic mode is entered and [SWITCH SCAN] isdisplayed on the top line.(Key 11111 increments the test item and Key 55555 decrements the test item.)DIAGNOSTIC MODEXX.XX.XX FACTORY/SHIPPING3.1.2.2.1 Entering self-diagnostic mode (Level 1)1. The system maintenance menu mode is entered by turning the power ON while pressing the))))), 11111,66666, and 77777 keys simultaneously.2. Press the ))))) key several times until [DIAGNOSTIC MODE] is displayed.
