42615101TH Rev.8 154 /Oki Data CONFIDENTIAL5.4.2.12 Waste toner counter displayThis self-diagnosis function is used to display printer status about waste toner.1. Enter the self-diagnostic mode (level 1), press the MENU+ or MENU- key until WASTE TONERCNT appears on the upper display, and press the ENTER key (the MENU+ key increments anitem, and the MENU- key decrements an item).2. Pressing the MENU+ or MENU- key displays waste toner counter values one by one.3. Press the BACK key to end the testing (the display of step 1 is restored).WASTE TONER CNT displayLower Display********* TIMES********* TIMESUpper DisplayM-WASTE TNR CNTC-WASTE TNR CNTFormatDECDECUnitTimesTimesDetailThe amount of magenta waste toner.The amount of cyan waste toner.5.4.2.13 LED head serial number displayThis self-diagnosis function is used to check whether downloaded LED head data agree with theserial numbers appearing on LED heads, respectively.1. Enter the self-diagnostic mode (level 1), press the MENU+ or MENU- key until LED HEADDATA is shown on the upper display, and press the Enter key (the MENU+ key increments anitem, and the MENU- key decrements an item).2. Pressing the MENU+ or MENU- key displays the K, Y, M and C LED head data serial numbersone by one.3. Press the BACK key to end the testing (the display of step 1 is restored).K ID ****xxxxxx yyyyy zzxxxxxx: A serial number (six characters) by model series.yyyyy: Date, month and year (five characters).zz: A revision number.
