6 - 416 Print voids• Is the contact plate of the transfer roller in proper contact with the power supply board (seeFig. 6-5)?• No Adjust the contact plate so that it touches the power supply board and theshaft of the transfer roller properly.t• Yes Replace the transfer roller.• Has the problem been removed.• Yes Endt• No Are the contacts of the toner supply roller, developing roller, image drum andcharging roller in proper contact with the contact assy (see Fig. 6-4 A , B , C , D ,E )?• No Adjust the contacts so that they touch the contact assy properly.t• Yes Replace the image drum unit.• Has the problem been removed?• Yes EndNote: After replacing the image drum unit, set the printer in the usermaintenance mode by turning the power on while pressing the MENUkey, and reset the drum counter (see User’s Manual).t• No Is the LED head being installed properly (check connector CN4 (OKIPAGE 6e) orHEAD1, HEAD2 (OKIPAGE 6ex) on the Main Control PCB and PC Connector onthe LED head)?• No Install the LED head properly.t• Yes Replace the LED head or the head cable.• Has the problem been removed?• Yes EndNote: After replacing the LED head, set the printer in the engine maintenance modeby turning the power on while pressing the FORM FEED and ENTER keys.Set the LED head drive time (see 4.2).t• No Replace the Main Control PCB or power supply board.
