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Or the gap is too wide. Adjust the gap between the side guides and the paper properly. .. P.33 “Placing paper in drawers” Multiple feeding occurs. Paper is clinging to each other. Fan the paper well and place it again. 96 Before Calling Service Technician Image trouble Phenomenon Usual cause Countermeasure The density of the copy image is light. Toner has run out. The toner lamp blinks when toner has run out. Replace the toner cartridge if it is blinking. .. P.90 “Replacing Toner Cartridge” The copy density is set lighter. Make the density darker if you use the manual copy density mode. Or use the automatic copy density mode. The transfer charger wire is dirty. Clean the transfer charger wire. .. P.102 “Cleaning transfer charger” The density of the copy image is dark. The copy density is set darker. Make the density lighter if you use the manual copy density mode. Or use the automatic copy density mode. The copied image is stained. The Automatic Document Feeder (optional) or the Platen Cover is not lowered fully. Lower them fully to block outside light. The original glass, platen sheet, scanning area or guides are dirty. Clean them. .. P.100 “Daily Inspection” The copy density is set darker. Make the density lighter if you use the manual copy density mode. Or use the automatic copy density mode. A highly transparent original is used. Place a blank sheet of paper, the same size as the original or larger, over the original. The copy image is fogged. There is a slight gap between the original glass and the original. Lower the Platen Cover or the Automatic Document Feeder (optional) fully so that the original will contact with the original glass. The copy paper is damp. Replace with dry copy paper. The density level of the copy image is uneven in a horizontal direction. The transfer charger wire is dirty. Clean the transfer charger wire. .. P.102 “Cleaning transfer charger” The copy image is partially missing. The size or direction of the copy paper and the original, or the reproduction ratio is not set properly. Use copy paper of the same size as the original or set the reproduction ratio suitable to the copy paper size. Before Calling Service Technician 97 5 TROUBLESHOOTING 5 TROUBLESHOOTING Phenomenon Usual cause Countermeasure The copy image has black streaks in a horizontal direction. The scanning area or guides are stained. Clean them. .. P.100 “Daily Inspection” The charger is dirty. Clean the charger. .. P.101 “Cleaning charger” The copy image has white streaks in a horizontal direction. The transfer charger wire is dirty. Clean the transfer charger wire. .. P.102 “Cleaning transfer charger” 98 Before Calling Service Technician MAINTENANCE AND INSPECTION This chapter describes how to clean this equipment to ensure you get the best possible copy performance. Daily Inspection ....................................................................................................100 Cleaning charger.............................................................................................................................101 Cleaning transfer charger................................................................................................................102 6 MAINTENANCE AND INSPECTION 6 MAINTENANCE AND INSPECTION Daily Inspection We recommend a weekly cleaning of the following items to assure you the best scanning performance: • Be sure not to scratch the parts to be cleaned. • Do not use solvent such as thinner or benzene to clean machinery. This could cause deformation or tarnishing. • When using chemical cleaning pads, observe the precautions pertaining to the product. 1 2 3 4 1. Scanning area Wipe with a sheet of soft dry cloth or soft cloth dampened in water and squeezed tightly. Do not use alcohol or solvent. 2. Original glass 3. Guides 4. Platen sheet Clean in the following procedure according to the level of staining: -Wipe with a soft dry cloth. -Wipe with a soft cloth dampened in water and squeezed tightly. -Wipe with a soft cloth dampened in alcohol and squeezed tightly, and then wipe with a soft dry cloth. -Wipe with a soft cloth dampened in diluted mild detergent and squeezed tightly. Then wipe with a soft cloth dampened in water and squeezed tightly. Then wipe with a soft dry cloth. 100 Daily Inspection Cleaning charger If the inside of the charger is dirty, staining may appear on the copied image. Clean the charger following the procedure below. 1 Open the front cover. 2 Clean the charger. Hold the cleaning knob of the charger and pull it out toward you carefully until it comes to a stop. Then reinsert it in its original position carefully. Repeat this procedure two or three times. Check if the cleaning knob is fully inserted after cleaning. 3 Close the front cover. Daily Inspection 101 6 MAINTENANCE AND INSPECTION 102 Daily Inspection Cleaning transfer charger When the transfer charger wire is dirty, white steaks or unevenness of the density may appear on copied images, or the density of...