Oki OL1200, Service Manual, Page: 5 / 272

Table of Contents Page
4.2 Adjustment When Replacing A Part 81
....4.2.1 Setting of LED head drive time 82
....4.2.2 Resetting the fuser counter 83
....4.2.3 Destination setting 84
5 Periodic Maintenance
5.1 Periodic Parts Replacement 85
5.2 Cleaning 86
....5.2.1 Cleaning of LED Lens Array 87
....5.2.2 Cleaning Page Function 88
5.3 Lubrication - General Information 89
6 Troubleshooting Procedures
6.1 Troubleshooting Tips 90
6.2 Points to Check before Correcting Image Problems 91
6.3 Tips for Correcting Image Problems 92
6.4 Preparation for Troubleshooting 93
6.5 Troubleshooting Flow 94
....6.5.1 LCD status message/trouble list 95
........LCD Status Messages: (1-4) General 96
........LCD Status Messages: (2-4) General 97
........LCD Status Messages: (3-5) Error Controller nn 98
........LCD Status Messages: (4-4) Error Controller On= xxxxx 99
....6.5.2 LCD message troubleshooting 100
........1. The printer does not work normally after being turned
on. 101
........2-1 Paper input jam (1st tray) 102
........2-2 Paper input jam (front feeder) 103
........2-3 Paper feed jam 104
........2-4 Paper exit jam 105
........3 Paper size error 106
........4 Fuser unit error (ERROR 71), (ERROR 72), (ERROR
73) 107
........5 Synchronous serial I/O error (ERROR 74) or I/F time-out
between printer and optinal tray (ERROR 81) 108
........6. I/F time-out occurs between the printer and the operator
panel (ERROR 80) . 109
........7. Communications with the host cannot be performed via
the parallel 110
........8. Data from the host not received via the serial interface. 111
........9. Data cannot be received through the OKI HSP interface 112
....6.5.3 Image troubleshooting 113
........1. Images are light or blurred a whole. 114
........2. Dark background density 115
........4. Black belts or stripes in the vertical direction 116
........5. Cyclic error 117