User Check
-Check if the paper is loaded into the paper tray correctly.
-Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.
Step | Cause | Check | Result | Remedy |
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1 | Fuser unit dirty | Is there dirt around the | Yes | Clean the entrance of the |
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| entrance of the fuser unit? |
| fuser unit. |
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| Is the pressure roller | Yes | Clean the pressure roller |
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| ASSY dirty? |
| ASSY. |
2 | Dirt on belt unit | Is the electrode of the belt | Yes | Clean the electrode of the |
| electrode | unit dirty? |
| belt unit. |
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3 | Dirt on waste | Is the electrode of the | Yes | Clean the electrode of the |
| toner box | waste toner box dirty? |
| waste toner box. |
| electrode |
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4 | Belt unit dirty | Does dirt on the paper | Yes | Replace the belt unit. |
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| disappear after replacing |
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| the belt unit with a new |
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| one? |
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5 | Toner leak from | Is the waste toner box full | Yes | Replace the waste toner |
| the waste toner | of toner? |
| box. Check the near/full |
| box |
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| sensor ASSY. Or, replace |
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| the main PCB ASSY. |
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User Check
-Check if the paper is loaded into the paper tray correctly.
-Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.
Step | Cause | Check | Result | Remedy |
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1 | Fuser unit failure | Do wrinkles on the paper | Yes | Replace the fuser unit. |
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| disappear after replacing |
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| the fuser unit with a new |
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| one? |
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Confidential |