42641101TH Rev.1 52 /Oki Data CONFIDENTIAL5. TROUBLESHOOTING PROCEDURES5.1 Troubleshooting Tips(1) Check the troubleshooting section in the Printer Handbook.(2) Gather as much information about the situation as possible.(3) Inspect the equipment under the conditions close to those in which the problem had occurred.5.2 Points to Check before Correcting Image Problems(1) Is the printer being run in proper ambient conditions?(2) Are supplies (toner) and routine replacement part (image drum cartridge) being replaced properly?(3) Is the printing paper normal (acceptable quality)?(4) Is the image drum cartridge being loaded properly?5.3 Tips for Correcting Image Problems(1) Do not touch, or bring foreign matter into contact with the surface of the image drum.(2) Do not expose the image drum to direct sunlight.(3) Keep hands off the fuser unit as it heats up during operation.(4) Do not expose the image drum to light for longer than 5 minutes at room temperature.