Troubleshooting
7.5.4 Signs and Measures of Poor toner cartridge
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| Light image and | • The printed image | 1. If the image is light or dirty | 1. All of 1, 2, 3 | |||
| partially blank | is light or dirty and | and untidy - Shake the toner | If image quality improves by | |||
| image | untidy. | cartridge and then recheck. | shaking, replace with a new | |||
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| OK: Lack of toner, so the life | toner cartridge. Perhaps up to | |||
| ended.) | • Parts of the image | is nearly expired. | 100 pages left before out of | |||
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| are not printed. | 2. Some part of image is not | toner. |
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| Digital Printer |
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| • Periodically a "tick | printed - Shake the toner | 2. For item 2- |
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| Digital Printer |
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| tick" noise occurs. | cartridge and then recheck. | If image quality improves after |
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| (1)NG: clean the LSU window | cleaning the LSU window then | |
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| Digital Printer |
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| with a cotton swab, then | the toner cartridge is normal. | |
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| Digital Printer |
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| recheck. | (Contamination on the LSU | |
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| (2)OK: Lack of toner, so the | window has caused image |
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| life is nearly closed. | quality problems.) |
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| 3. Periodically a noise like "tick | 3. For item 3- |
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| tick" occurs - Measure the | If the time between ticks is |
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| time between ticks. | about 2 seconds, the toner |
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| inside the toner cartridge is |
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| 4. White vertical stripes on the | almost exhausted. |
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| whole or part of the page : | ( Purchase and replace with a |
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| Shake the toner cartridge and | new toner cartridge. Perhaps up |
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| then recheck. OK: Lack of | to 200 pages left before out of |
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| toner, so the life is nearly | toner) |
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| expired |
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| 4. For item 3- |
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| This is a phenomenon caused |
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| by lack of toner, so replace the |
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| toner cartridge. |
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| Toner | • Toner | 1. Contamination at regular | 1.(a) Refer to section 6.5 | |||
| Contamination | contamination of | intervals. |
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| the printed page at | (a)Check the distance | 1.(b) If both ends of the OPC drum |
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| regular intervals | between contamination | are contaminated with toner: |
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| down the page. | marks. | Check no. of pages printed using |
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| (b)Check the appearance of | this cartridge – perhaps waste |
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| • Random Toner | both ends of the toner | toner collector is full. |
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| contamination over | cartridge OPC drum. |
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| the whole or large |
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| parts of the paper | 2. Random page contamination. | 2. Clean all HV contacts. If the |
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| surface. | (a) Check that the terminals | problem persists replace the |
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| (contact points) of the toner | cartridge. |
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| cartridge and the set are |
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| clean. |
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| (b) Check that the terminals |
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| (contact points) of the toner |
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| cartridge and the set are not |
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| damaged. |
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Service Manual
Samsung Electronics
