Table of Contents Page
....Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy 46
....Base Plate 47
4 Adjustment
Adjustment 48
....Adjustment Types and Functions 49
....Adjustment When Replacing a Part 50
5 Periodical Maintenance
Periodical Maintenance - Periodical Replacement Parts 51
Cleaning 52
6 Troubleshooting Procedures
Troubleshooting Procedures - Troubleshooting Tips 53
Check Points Before Correcting Image Problems 54
Notes When Correcting Image Problems 55
Preparation Before Troubleshooting 56
Troubleshooting 57
....Status Monitor Message List 58
....Status Message Troubleshooting 59
........The OKIPAGE 4w malfunctions after the power supply has
been turned on. 60
........[JAM error] - Paper input jam 61
........[JAM error] - Paper feed jam 62
........Paper exit jam 63
........Paper size error 64
........Fuser assy error 65
....Image Troubleshooting 66
........An image is light or blurred entirely. 67
........Dark background density 68
........Paper is blank. 69
........Vertical black band/stripe 70
........Cyclic defect 71
........Print voids. 72
........Poor fusing 73
........Vertical white band/stripe 74
........Figure 6-4 75
........Figure 6-5 76
7 Wiring Diagram
Wiring Diagram - Interconnect Signal Diagram 77
PCB Layout 78
8 Parts List
Cover Assy Upper 79
Base Frame Unit 80
Base Plate Unit 81
A Local Printing
Local Printing 82
B Parallel Interface
Parallel Interface - (1) Connector 83
Cable 84
Parallel I/F signals 85
Signal level 86
Interface circuit 87
