Table of Contents Page....3.3.23 Power Supply/Sensor Board and Contact Assy 48....3.3.24 Cassette Guide L Assy 49....3.3.25 Cassette Guide R 50....3.3.26 Spacer Bearing (L/R) 514 Adjustments4. Adjustment 52....4.1 Adjustment Types & Functions 53........4.1.1 Status Monitor 54........4.1.2 Engine Maintenance Utility 55....4.2 Adjustment When Replacing a Part 58........4.2.1 Setting of LED Head Drive Time 59........4.2.2 Uploading/Downloading EEPROM data 605 Maintenance5.1 Periodical Replacement Parts 615.2 Cleaning 62....5.2.1 Cleaning of LED Lens Array 63....5.2.2 Cleaning Page Function 646 Troubleshooting6.1 Troubleshooting Tips 656.2 Points to Check before Correcting Image Problems 666.3 Tips for Correcting Image Problems 676.4 Preparation for Troubleshooting 686.5 Troubleshooting Flow 69....6.5.1 LCD Status Monitor Message List 70....6.5.2 Status Message Troubleshooting 71........(1) The printer does not work normally after the power isturned on.72........(2) [JAM error] 73............2-1 Paper input jam 74............2-2 Paper feed jam 75............3-3 Paper exit jam 76........(3) Paper size error 77........(4) Fusing unit error 78........(5) SSIO error 79........(6) Fan error (ERROR 70) 80....6.5.3 Image Troubleshooting 81........(1) Images are light or blurred entirely 82........(2) Dark background density 83........(3) Blank paper is output 84........(4) Black vertical belts or stripes 85........(5) Cyclical defect 86........(6) Prints voids 87........(7) Poor fusing 88........(8) Vertical belts or streaks 89........Figure 6-4 90........Figure 6-5 917 Wiring Diagram7.1 Interconnect Signal Diagram 927.2 PCB Layout and Connector Signal List 937.3 Resistance Check 948 Parts List
