FEED-CHK Use it to check paper movement in the ADF on its own.Procedure1) Press FEED-CHK to highlight.2) Type in the appropriate paper feed mode using the keypad.3) Press the OK key.4) Press FEED-on to check the operation.Paper Feed Mode Number0: simplex pickup delivery1: duplex pickup delivery operation2: simplex pickup delivery operation (w/ stamp)3: duplex pickup delivery operation (w/ stamp)1CL-CHK Use it to check the ADF clutch on its own.Procedure1) Press CL-CHK to highlight.2) Type in the appropriate clutch number.3) Press the OK key.4) Press CL-on to check the operation.Clutch Number0: pickup clutch1CL-ON Use it to start the operation of the clutch.Procedure1) Press CL-on and then the OK key to start the operation of theclutch.2) Press the OK key once again to stop the operation. (Theoperation will stop automatically in about 2 sec; however, theindication will not change to 'STOP' unless you press the OKkey.)1FAN-CHK Use it to check the ADF cooling fan on its own.Procedure1) Press FAN-CHK to highlight.2) Type in the fan number using the keypad.3) Press the OK key.4) Press FAN -on to check the operation.Fan Number0, 1: cooling fan1FAN-ON Use it to start fan operation.Procedure1) Press FN-on and then the OK key to start the operation of thefan.2) Press the OK key to stop the operation.(The fan will stop automatically in about 5 sec; however, theindication will not be 'STOP' unless the OK key is pressed.)1COPIER > FEEDER > FUNCTIONSub-item Description Level