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Troubleshooting
7.4.5 Signs and Measures at Poor toner cartridge
Fault Light image and partially blank image (The life is ended.) Signs � The printed image is light or unclean and untidy. Cause & Check Solution 1. All of 1, 2, 3 aboveIf it become better by shaking, replace with a new toner cartridge after 50-100 sheets in the closing state of the life span.
Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer
1. If the image is light or unclean and untidy printed image Shake the toner cartridge and then recheck. � Some part of the (1)NG: Check the weight of the image is not printtoner cartridge ed. (2)OK: Lack of toner, so the life is nearly closed. � Periodically a noise 2. Some part of image is not as "tick tick" occurs. printed - Shake the toner cartridge and then recheck. (1)NG: Check the weight of the toner cartridge and clean the LSU window with a cotton swab, then recheck. (2)OK: Lack of toner, so the life is nearly closed. 3. Periodically a noise as "tick tick" occurs - Measure the cycle and the weight of the toner cartridge.
2. In case of 2If it becomes better after cleaning the LSU window, then the toner cartridge is normal. (Because of foreign substance on the LSU window, the image has not been printed partly.)
4. White vertical stripes on the whole screen or partly : Check the weight of the toner cartridge. Toner Contamination � Toner is fallen on the papers periodically. � Contaminated with toner on prints partly or over the whole surface. 1. Toner is fallen on the paper periodically. (1)Check the cycle of the falling of the toner. (2)Check the appearance of both ends of the toner cartridge OPC drum. 2.The center of the printed matter is contaminated with toner. (1)Check whether foreign substances or toner are stuck to the terminal (contact point) of the toner cartridge. (2)Check whether the state of the terminal assembly is normal.
3. In case of 3If the cycle of noise is about 2 seconds, the toner inside the toner cartridge has been nearly exhausted.( Purchase and replace with a new toner cartridge after using about 200 sheets at the point of occurrence) 4. In case of 3This is a phenomenon caused by lack of toner, so replace with a new toner cartridge. 1. If both ends of the OPC drum are contaminated with toner: Check the life of the toner cartridge.
2. Check whether it could be recycled.
3. If it cannot be recycled: Replace the toner cartridge.
Service Manual Samsung Electronics
7-21
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