Kodak Ektapro Slide Projector 4020 - Manual (Page 90)

Communication Trouble 4020 - 9020 and 9020/CINE Page 5-35
Autofocus 5020/9020/9029/CINE : No Autofocus Function Page 5-38
Accessory Slot 7020/9020 Page 5-40
Service Manual SM 2547-1
03/98 5-2 Kodak AG, Stuttgart